*First Landslide Warning System (1977 - 1979)AMBER and RED
Warnings issued when predicted 24 hour rainfall would plot above
relevant line.A Problem: Difficult to use without direct access to
Chart.
Chart1
147.9392.1392.1392.1392.1
85.8531.3531.3531.3531.3
132.5224.9224.9224.9224.9
202.2357.4357.4357.4357.4
36.9559.6559.6559.6559.6
391.6391.6107.5391.6391.6
80.2485485485485
202.7113.4202.7202.7202.7
30.8315.7315.7315.7315.7
34.2249.9249.9249.9249.9
202230.1202202202
139.9253.7253.7253.7253.7
118.3266.6266.6266.6266.6
65.3303.8303.8303.8303.8
136.5222.8222.8222.8222.8
66324.7324.7324.7324.7
85352352352352
69.9304.9304.9304.9304.9
52239.3239.3239.3239.3
159.4266.3266.3266.3266.3
76.6304.4304.4304.4304.4
107.4363.2363.2363.2363.2
164.1242.8242.8242.8242.8
105.7364.5364.5364.5364.5
14.4281.3281.3281.3281.3
338.4135.5338.4338.4338.4
155.9130.4130.4130.4130.4
313.8141.2313.8313.8313.8
95.8171.3171.3171.3171.3
318.269.1318.2318.2318.2
29.6238.8238.8238.8238.8
319.562.5319.5319.5319.5
17.9507.4507.4507.4507.4
223.7136.1223.7223.7223.7
359.8359.8246.2359.8359.8
27.8586.3586.3586.3586.3
59.9726.6726.6726.6726.6
10.1365.1365.1365.1365.1
81.8247.1247.1247.1247.1
236.9175.5236.9236.9236.9
591.5591.5270.3591.5591.5
16.5444.8444.8444.8444.8
41.541.141.141.141.1
96.161.261.261.261.2
163.165656565
228.1236.1228.1228.1228.1
90.663.163.163.163.1
45340.2340.2340.2340.2
122475.2475.2475.2475.2
212.872.7212.8212.8212.8
120.2283.2283.2283.2283.2
185.4246.5185.4185.4185.4
78136.3136.3136.3136.3
6.2231.3231.3231.3231.3
406.2406.2382.6406.2406.2
33.7788.9788.9788.9788.9
31.4800.7800.7800.7800.7
556.3200556.3556.3556.3
104.1391.5391.5391.5391.5
96.2359.1359.1359.1359.1
134.6256.7256.7256.7256.7
265.1127.9127.9127.9127.9
86.5400.4400.4400.4400.4
140.992.292.292.292.2
26.8363.6363.6363.6363.6
78.464.664.664.664.6
229.9288.1229.9229.9229.9
116.2249.6249.6249.6249.6
365.8208.8365.8365.8365.8
141.6205.9141.6141.6141.6
347.5347.5213.8347.5347.5
561.3561.3232.6561.3561.3
0714.2714.2714.2714.2
41.9443.9443.9443.9443.9
136.5123.9123.9123.9123.9
67.6294.7294.7294.7294.7
172.1371.5371.5371.5371.5
69.8547.3547.3547.3547.3
91.9
67.3207.3207.3207.3207.3
081.681.681.681.6
68.785.485.485.485.4
76.8139.4139.4139.4139.4
110.5168.7168.7168.7168.7
52.6279.2279.2279.2279.2
331331118.5331331
71.5448.9448.9448.9448.9
45.862.962.962.962.9
61135.2135.2135.2135.2
56.3238.7238.7238.7238.7
4.3292.4292.4292.4292.4
145.9284.8145.9145.9145.9
62.3102102102102
68.381.481.481.481.4
69.2166.3166.3166.3166.3
36.8112.8112.8112.8112.8
113.6149.6149.6149.6149.6
44.8138.8138.8138.8138.8
129.332.332.332.332.3
209261261261261
26.1717.5717.5717.5717.5
245.2124.1124.1124.1124.1
31.6376.8376.8376.8376.8
96.1105105105105
33.3148148148148
54.6128.554.654.654.6
59.971717171
36.8180.8180.8180.8180.8
55.9321.6321.6321.6321.6
188.8188.8258.4188.8188.8
456.9205.5456.9456.9456.9
22.1663.7663.7663.7663.7
54.3125.2125.2125.2125.2
114.989.989.989.989.9
204.2207.6207.6207.6207.6
375.6375.6334.2375.6375.6
47.6669.9669.9669.9669.9
73.8199.1199.1199.1199.1
4.7158.6158.6158.6158.6
157.281.4157.2157.2157.2
4.1109.2109.2109.2109.2
197.498.6197.4197.4197.4
37.1172.7172.7172.7172.7
57.7254.7254.7254.7254.7
90.666666666
51.6222.3222.3222.3222.3
76.676.6346.776.676.6
000
200200200
800800800
000
150150150
800800800
0330300
60260240
180180120
12565
9540
8535
8035
Minor Incident
Severe Incident
Disastrous Incident
Old RED
RED Warning (1977 - 1979)
old Amber
Amber Warning (1977 - 1979)
Antecedent Rainfall (mm)
Rainfall on Day (mm)
Sheet1
Sheet1
392.1392.1
531.3531.3
224.9224.9
357.4357.4
559.6559.6
391.6391.6
485485
202.7202.7
315.7315.7
249.9249.9
202202
253.7253.7
266.6266.6
303.8303.8
222.8222.8
324.7324.7
352352
304.9304.9
239.3239.3
266.3266.3
304.4304.4
363.2363.2
242.8242.8
364.5364.5
281.3281.3
338.4338.4
130.4130.4
313.8313.8
171.3171.3
318.2318.2
238.8238.8
319.5319.5
507.4507.4
223.7223.7
359.8359.8
586.3586.3
726.6726.6
365.1365.1
247.1247.1
236.9236.9
591.5591.5
444.8444.8
41.141.1
61.261.2
6565
228.1228.1
63.163.1
340.2340.2
475.2475.2
212.8212.8
283.2283.2
185.4185.4
136.3136.3
231.3231.3
406.2406.2
788.9788.9
800.7800.7
556.3556.3
391.5391.5
359.1359.1
256.7256.7
127.9127.9
400.4400.4
92.292.2
363.6363.6
64.664.6
229.9229.9
249.6249.6
365.8365.8
141.6141.6
347.5347.5
561.3561.3
714.2714.2
443.9443.9
123.9123.9
294.7294.7
371.5371.5
547.3547.3
207.3207.3
81.681.6
85.485.4
139.4139.4
168.7168.7
279.2279.2
331331
448.9448.9
62.962.9
135.2135.2
238.7238.7
292.4292.4
145.9145.9
102102
81.481.4
166.3166.3
112.8112.8
149.6149.6
138.8138.8
32.332.3
261261
717.5717.5
124.1124.1
376.8376.8
105105
148148
54.654.6
7171
180.8180.8
321.6321.6
188.8188.8
456.9456.9
663.7663.7
125.2125.2
89.989.9
207.6207.6
375.6375.6
669.9669.9
199.1199.1
158.6158.6
157.2157.2
109.2109.2
197.4197.4
172.7172.7
254.7254.7
6666
222.3222.3
76.676.6
00
200200
800800
00
150150
800800
330300
260240
180120
12565
9540
8535
8035
Old RED
RED Warning
old Amber
AMBER Warning
Warning Levels used 1977 - 1979
landslide_data
Record of Landslide Incidents in Hong Kong1930 - 1982
Incident No.DateCategoryRainfall on day (mm)Antecedent Rainfall
(mm)Minor IncidentSevere IncidentDisastrous IncidentRED
WarningAMBER WarningRED Warning from July 1983Alternative COld
REDold Amber
17/24/30M147.9392.1147.9
27/25/30M85.8531.385.8
39/16/30M132.5224.9132.5
49/17/30M202.2357.4202.2
59/18/30M36.9559.636.9
67/30/32D107.5391.6107.5
77/31/32M80.248580.2
88/28/32S113.4202.7113.4
98/29/32M30.8315.730.8
106/30/33M34.2249.934.2
116/22/34S230.1202230.1
127/29/34M139.9253.7139.9
138/18/34M118.3266.6118.3
148/19/34M65.3303.865.3
158/2/36M136.5222.8136.5
168/4/36M66324.766
178/17/36M8535285
187/5/37M69.9304.969.9
198/22/37M52239.352
206/7/47M159.4266.3159.4
216/12/48M76.6304.476.6
227/28/48M107.4363.2107.4
236/25/49M164.1242.8164.1
246/26/49M105.7364.5105.7
255/14/51M14.4281.314.4
266/7/51S135.5338.4135.5
276/13/52M155.9130.4155.9
289/14/52S141.2313.8141.2
299/19/53M95.8171.395.8
305/11/55S69.1318.269.1
317/11/55M29.6238.829.6
327/18/55S62.5319.562.5
337/23/55M17.9507.417.9
345/21/57S136.1223.7136.1
355/22/57D246.2359.8246.2
365/25/57M27.8586.327.8
375/29/57M59.9726.659.9
387/18/57M10.1365.110.1
397/26/58M81.8247.181.8
406/13/59S175.5236.9175.5
416/15/59D270.3591.5270.3
428/10/59M16.5444.816.5
435/6/60M41.541.141.5
445/14/60M96.161.296.1
456/8/60M163.165163.1
466/9/60S236.1228.1236.1
473/19/61M90.663.190.6
489/4/61M45340.245
499/10/61M122475.2122
508/16/64S72.7212.872.7
519/11/64M120.2283.2120.2
5210/13/64S246.5185.4246.5
535/11/65M78136.378
549/29/65M6.2231.36.2
556/15/66D382.6406.2382.6
566/13/66M33.7788.933.7
576/15/66M31.4800.731.4
586/13/68S200556.3200
596/19/68M104.1391.5104.1
607/4/68M96.2359.196.2
616/5/69M134.6256.7134.6
625/13/70M265.1127.9265.1
635/26/70M86.5400.486.5
648/3/70M140.992.2140.9
659/10/70M26.8363.626.8
666/7/71M78.464.678.4
678/17/71S288.1229.9288.1
685/10/72M116.2249.6116.2
695/11/72S208.8365.8208.8
706/16/72S205.9141.6205.9
716/17/72D213.8347.5213.8
726/18/72D232.6561.3232.6
736/21/72M0714.20
748/21/72M41.9443.941.9
755/6/73M136.5123.9136.5
767/9/73M67.6294.767.6
777/17/73M172.1371.5172.1
789/2/73M69.8547.369.8
796/23/77M91.991.9
809/6/77M67.3207.367.3
814/12/78M081.60
824/16/78M68.785.468.7
835/18/78M76.8139.476.8
847/27/78M110.5168.7110.5
857/28/78M52.6279.252.6
867/29/78D118.5331118.5
877/30/78M71.5448.971.5
888/27/78M45.862.945.8
899/26/78M61135.261
9010/1/78M56.3238.756.3
9110/2/78M4.3292.44.3
9210/17/78S284.8145.9284.8
934/3/79M62.310262.3
945/13/79M68.381.468.3
955/15/79M69.2166.369.2
966/10/79m36.8112.836.8
976/11/79M113.6149.6113.6
987/1/79M44.8138.844.8
997/30/79M129.332.3129.3
1008/2/79M209261209
1018/11/79M26.1717.526.1
1029/23/79M245.2124.1245.2
1039/25/79M31.6376.831.6
1045/11/81M96.110596.1
1056/5/81M33.314833.3
1069/29/81S128.554.6128.5
1074/23/82M59.97159.9
1084/27/82M36.8180.836.8
1095/7/82M55.9321.655.9
1105/29/82D258.4188.8258.4
1115/31/82S205.5456.9205.5
1126/2/82M22.1663.722.1
1137/3/82M54.3125.254.3
1148/1/82M114.989.9114.9
1158/3/82M204.2207.6204.2
1168/16/82D334.2375.6334.2
1178/18/82M47.6669.947.6
1189/16/82M73.8199.173.8
1192/21/83M4.7158.64.7
1203/2/83S81.4157.281.4
1213/17/83M4.1109.24.1
1223/27/83S98.6197.498.6
1234/5/83M37.1172.737.1
1244/8/83M57.7254.757.7
1255/15/83M90.66690.6
1265/27/83M51.6222.351.6
1276/17/83D346.776.6346.7
0300200225
20010060100
80010060100
0200
150100
800100
0330300
60260240
180180120
32512565
5009540
7008535
8008035
landslide_data
147.9392.1392.1392.1392.1392.1392.1392.1392.1
85.8531.3531.3531.3531.3531.3531.3531.3531.3
132.5224.9224.9224.9224.9224.9224.9224.9224.9
202.2357.4357.4357.4357.4357.4357.4357.4357.4
36.9559.6559.6559.6559.6559.6559.6559.6559.6
391.6391.6107.5391.6391.6391.6391.6391.6391.6
80.2485485485485485485485485
202.7113.4202.7202.7202.7202.7202.7202.7202.7
30.8315.7315.7315.7315.7315.7315.7315.7315.7
34.2249.9249.9249.9249.9249.9249.9249.9249.9
202230.1202202202202202202202
139.9253.7253.7253.7253.7253.7253.7253.7253.7
118.3266.6266.6266.6266.6266.6266.6266.6266.6
65.3303.8303.8303.8303.8303.8303.8303.8303.8
136.5222.8222.8222.8222.8222.8222.8222.8222.8
66324.7324.7324.7324.7324.7324.7324.7324.7
85352352352352352352352352
69.9304.9304.9304.9304.9304.9304.9304.9304.9
52239.3239.3239.3239.3239.3239.3239.3239.3
159.4266.3266.3266.3266.3266.3266.3266.3266.3
76.6304.4304.4304.4304.4304.4304.4304.4304.4
107.4363.2363.2363.2363.2363.2363.2363.2363.2
164.1242.8242.8242.8242.8242.8242.8242.8242.8
105.7364.5364.5364.5364.5364.5364.5364.5364.5
14.4281.3281.3281.3281.3281.3281.3281.3281.3
338.4135.5338.4338.4338.4338.4338.4338.4338.4
155.9130.4130.4130.4130.4130.4130.4130.4130.4
313.8141.2313.8313.8313.8313.8313.8313.8313.8
95.8171.3171.3171.3171.3171.3171.3171.3171.3
318.269.1318.2318.2318.2318.2318.2318.2318.2
29.6238.8238.8238.8238.8238.8238.8238.8238.8
319.562.5319.5319.5319.5319.5319.5319.5319.5
17.9507.4507.4507.4507.4507.4507.4507.4507.4
223.7136.1223.7223.7223.7223.7223.7223.7223.7
359.8359.8246.2359.8359.8359.8359.8359.8359.8
27.8586.3586.3586.3586.3586.3586.3586.3586.3
59.9726.6726.6726.6726.6726.6726.6726.6726.6
10.1365.1365.1365.1365.1365.1365.1365.1365.1
81.8247.1247.1247.1247.1247.1247.1247.1247.1
236.9175.5236.9236.9236.9236.9236.9236.9236.9
591.5591.5270.3591.5591.5591.5591.5591.5591.5
16.5444.8444.8444.8444.8444.8444.8444.8444.8
41.541.141.141.141.141.141.141.141.1
96.161.261.261.261.261.261.261.261.2
163.16565656565656565
228.1236.1228.1228.1228.1228.1228.1228.1228.1
90.663.163.163.163.163.163.163.163.1
45340.2340.2340.2340.2340.2340.2340.2340.2
122475.2475.2475.2475.2475.2475.2475.2475.2
212.872.7212.8212.8212.8212.8212.8212.8212.8
120.2283.2283.2283.2283.2283.2283.2283.2283.2
185.4246.5185.4185.4185.4185.4185.4185.4185.4
78136.3136.3136.3136.3136.3136.3136.3136.3
6.2231.3231.3231.3231.3231.3231.3231.3231.3
406.2406.2382.6406.2406.2406.2406.2406.2406.2
33.7788.9788.9788.9788.9788.9788.9788.9788.9
31.4800.7800.7800.7800.7800.7800.7800.7800.7
556.3200556.3556.3556.3556.3556.3556.3556.3
104.1391.5391.5391.5391.5391.5391.5391.5391.5
96.2359.1359.1359.1359.1359.1359.1359.1359.1
134.6256.7256.7256.7256.7256.7256.7256.7256.7
265.1127.9127.9127.9127.9127.9127.9127.9127.9
86.5400.4400.4400.4400.4400.4400.4400.4400.4
140.992.292.292.292.292.292.292.292.2
26.8363.6363.6363.6363.6363.6363.6363.6363.6
78.464.664.664.664.664.664.664.664.6
229.9288.1229.9229.9229.9229.9229.9229.9229.9
116.2249.6249.6249.6249.6249.6249.6249.6249.6
365.8208.8365.8365.8365.8365.8365.8365.8365.8
141.6205.9141.6141.6141.6141.6141.6141.6141.6
347.5347.5213.8347.5347.5347.5347.5347.5347.5
561.3561.3232.6561.3561.3561.3561.3561.3561.3
0714.2714.2714.2714.2714.2714.2714.2714.2
41.9443.9443.9443.9443.9443.9443.9443.9443.9
136.5123.9123.9123.9123.9123.9123.9123.9123.9
67.6294.7294.7294.7294.7294.7294.7294.7294.7
172.1371.5371.5371.5371.5371.5371.5371.5371.5
69.8547.3547.3547.3547.3547.3547.3547.3547.3
91.9
67.3207.3207.3207.3207.3207.3207.3207.3207.3
081.681.681.681.681.681.681.681.6
68.785.485.485.485.485.485.485.485.4
76.8139.4139.4139.4139.4139.4139.4139.4139.4
110.5168.7168.7168.7168.7168.7168.7168.7168.7
52.6279.2279.2279.2279.2279.2279.2279.2279.2
331331118.5331331331331331331
71.5448.9448.9448.9448.9448.9448.9448.9448.9
45.862.962.962.962.962.962.962.962.9
61135.2135.2135.2135.2135.2135.2135.2135.2
56.3238.7238.7238.7238.7238.7238.7238.7238.7
4.3292.4292.4292.4292.4292.4292.4292.4292.4
145.9284.8145.9145.9145.9145.9145.9145.9145.9
62.3102102102102102102102102
68.381.481.481.481.481.481.481.481.4
69.2166.3166.3166.3166.3166.3166.3166.3166.3
36.8112.8112.8112.8112.8112.8112.8112.8112.8
113.6149.6149.6149.6149.6149.6149.6149.6149.6
44.8138.8138.8138.8138.8138.8138.8138.8138.8
129.332.332.332.332.332.332.332.332.3
209261261261261261261261261
26.1717.5717.5717.5717.5717.5717.5717.5717.5
245.2124.1124.1124.1124.1124.1124.1124.1124.1
31.6376.8376.8376.8376.8376.8376.8376.8376.8
96.1105105105105105105105105
33.3148148148148148148148148
54.6128.554.654.654.654.654.654.654.6
59.97171717171717171
36.8180.8180.8180.8180.8180.8180.8180.8180.8
55.9321.6321.6321.6321.6321.6321.6321.6321.6
188.8188.8258.4188.8188.8188.8188.8188.8188.8
456.9205.5456.9456.9456.9456.9456.9456.9456.9
22.1663.7663.7663.7663.7663.7663.7663.7663.7
54.3125.2125.2125.2125.2125.2125.2125.2125.2
114.989.989.989.989.989.989.989.989.9
204.2207.6207.6207.6207.6207.6207.6207.6207.6
375.6375.6334.2375.6375.6375.6375.6375.6375.6
47.6669.9669.9669.9669.9669.9669.9669.9669.9
73.8199.1199.1199.1199.1199.1199.1199.1199.1
4.7158.6158.6158.6158.6158.6158.6158.6158.6
157.281.4157.2157.2157.2157.2157.2157.2157.2
4.1109.2109.2109.2109.2109.2109.2109.2109.2
197.498.6197.4197.4197.4197.4197.4197.4197.4
37.1172.7172.7172.7172.7172.7172.7172.7172.7
57.7254.7254.7254.7254.7254.7254.7254.7254.7
90.66666666666666666
51.6222.3222.3222.3222.3222.3222.3222.3222.3
76.676.6346.776.676.676.676.676.676.6
0300200225000
20010060100200200200
80010060100800800800
000020000
150150150150100150150
800800800800100800800
00000330300
6060606060260240
180180180180180180120
12565
9540
8535
8035
Minor Incident
Severe Incident
Disastrous Incident
RED Warning
AMBER Warning
RED Warning from July 1983
Alternative C
Old RED
old Amber
landslide_data (2)
392.1392.1
531.3531.3
224.9224.9
357.4357.4
559.6559.6
391.6391.6
485485
202.7202.7
315.7315.7
249.9249.9
202202
253.7253.7
266.6266.6
303.8303.8
222.8222.8
324.7324.7
352352
304.9304.9
239.3239.3
266.3266.3
304.4304.4
363.2363.2
242.8242.8
364.5364.5
281.3281.3
338.4338.4
130.4130.4
313.8313.8
171.3171.3
318.2318.2
238.8238.8
319.5319.5
507.4507.4
223.7223.7
359.8359.8
586.3586.3
726.6726.6
365.1365.1
247.1247.1
236.9236.9
591.5591.5
444.8444.8
41.141.1
61.261.2
6565
228.1228.1
63.163.1
340.2340.2
475.2475.2
212.8212.8
283.2283.2
185.4185.4
136.3136.3
231.3231.3
406.2406.2
788.9788.9
800.7800.7
556.3556.3
391.5391.5
359.1359.1
256.7256.7
127.9127.9
400.4400.4
92.292.2
363.6363.6
64.664.6
229.9229.9
249.6249.6
365.8365.8
141.6141.6
347.5347.5
561.3561.3
714.2714.2
443.9443.9
123.9123.9
294.7294.7
371.5371.5
547.3547.3
207.3207.3
81.681.6
85.485.4
139.4139.4
168.7168.7
279.2279.2
331331
448.9448.9
62.962.9
135.2135.2
238.7238.7
292.4292.4
145.9145.9
102102
81.481.4
166.3166.3
112.8112.8
149.6149.6
138.8138.8
32.332.3
261261
717.5717.5
124.1124.1
376.8376.8
105105
148148
54.654.6
7171
180.8180.8
321.6321.6
188.8188.8
456.9456.9
663.7663.7
125.2125.2
89.989.9
207.6207.6
375.6375.6
669.9669.9
199.1199.1
158.6158.6
157.2157.2
109.2109.2
197.4197.4
172.7172.7
254.7254.7
6666
222.3222.3
76.676.6
00
200200
800800
00
150150
800800
330300
260240
180120
12565
9540
8535
8035
Old RED
RED Warning
old Amber
AMBER Warning
Antecedent 15 day Rainfall (mm)
Rainfall on Landslide Incident Day (mm)
Warning Levels used 1977 - 1979
Sheet3
392.1392.1392.1392.1392.1
531.3531.3531.3531.3531.3
224.9224.9224.9224.9224.9
357.4357.4357.4357.4357.4
559.6559.6559.6559.6559.6
391.6391.6391.6391.6391.6
485485485485485
202.7202.7202.7202.7202.7
315.7315.7315.7315.7315.7
249.9249.9249.9249.9249.9
202202202202202
253.7253.7253.7253.7253.7
266.6266.6266.6266.6266.6
303.8303.8303.8303.8303.8
222.8222.8222.8222.8222.8
324.7324.7324.7324.7324.7
352352352352352
304.9304.9304.9304.9304.9
239.3239.3239.3239.3239.3
266.3266.3266.3266.3266.3
304.4304.4304.4304.4304.4
363.2363.2363.2363.2363.2
242.8242.8242.8242.8242.8
364.5364.5364.5364.5364.5
281.3281.3281.3281.3281.3
338.4338.4338.4338.4338.4
130.4130.4130.4130.4130.4
313.8313.8313.8313.8313.8
171.3171.3171.3171.3171.3
318.2318.2318.2318.2318.2
238.8238.8238.8238.8238.8
319.5319.5319.5319.5319.5
507.4507.4507.4507.4507.4
223.7223.7223.7223.7223.7
359.8359.8359.8359.8359.8
586.3586.3586.3586.3586.3
726.6726.6726.6726.6726.6
365.1365.1365.1365.1365.1
247.1247.1247.1247.1247.1
236.9236.9236.9236.9236.9
591.5591.5591.5591.5591.5
444.8444.8444.8444.8444.8
41.141.141.141.141.1
61.261.261.261.261.2
6565656565
228.1228.1228.1228.1228.1
63.163.163.163.163.1
340.2340.2340.2340.2340.2
475.2475.2475.2475.2475.2
212.8212.8212.8212.8212.8
283.2283.2283.2283.2283.2
185.4185.4185.4185.4185.4
136.3136.3136.3136.3136.3
231.3231.3231.3231.3231.3
406.2406.2406.2406.2406.2
788.9788.9788.9788.9788.9
800.7800.7800.7800.7800.7
556.3556.3556.3556.3556.3
391.5391.5391.5391.5391.5
359.1359.1359.1359.1359.1
256.7256.7256.7256.7256.7
127.9127.9127.9127.9127.9
400.4400.4400.4400.4400.4
92.292.292.292.292.2
363.6363.6363.6363.6363.6
64.664.664.664.664.6
229.9229.9229.9229.9229.9
249.6249.6249.6249.6249.6
365.8365.8365.8365.8365.8
141.6141.6141.6141.6141.6
347.5347.5347.5347.5347.5
561.3561.3561.3561.3561.3
714.2714.2714.2714.2714.2
443.9443.9443.9443.9443.9
123.9123.9123.9123.9123.9
294.7294.7294.7294.7294.7
371.5371.5371.5371.5371.5
547.3547.3547.3547.3547.3
207.3207.3207.3207.3207.3
81.681.681.681.681.6
85.485.485.485.485.4
139.4139.4139.4139.4139.4
168.7168.7168.7168.7168.7
279.2279.2279.2279.2279.2
331331331331331
448.9448.9448.9448.9448.9
62.962.962.962.962.9
135.2135.2135.2135.2135.2
238.7238.7238.7238.7238.7
292.4292.4292.4292.4292.4
145.9145.9145.9145.9145.9
102102102102102
81.481.481.481.481.4
166.3166.3166.3166.3166.3
112.8112.8112.8112.8112.8
149.6149.6149.6149.6149.6
138.8138.8138.8138.8138.8
32.332.332.332.332.3
261261261261261
717.5717.5717.5717.5717.5
124.1124.1124.1124.1124.1
376.8376.8376.8376.8376.8
105105105105105
148148148148148
54.654.654.654.654.6
7171717171
180.8180.8180.8180.8180.8
321.6321.6321.6321.6321.6
188.8188.8188.8188.8188.8
456.9456.9456.9456.9456.9
663.7663.7663.7663.7663.7
125.2125.2125.2125.2125.2
89.989.989.989.989.9
207.6207.6207.6207.6207.6
375.6375.6375.6375.6375.6
669.9669.9669.9669.9669.9
199.1199.1199.1199.1199.1
158.6158.6158.6158.6158.6
157.2157.2157.2157.2157.2
109.2109.2109.2109.2109.2
197.4197.4197.4197.4197.4
172.7172.7172.7172.7172.7
254.7254.7254.7254.7254.7
6666666666
222.3222.3222.3222.3222.3
76.676.676.676.676.6
30020022500
10060100200200
10060100800800
00000
150150150150150
800800800800800
000330300
606060260240
180180180180120
12565
9540
8535
8035
RED Warning
AMBER Warning
RED Warning from July 1983
Old RED
old Amber
Antecedent 15 day Rainfall (mm)
Rainfall on Landslide Incident Day (mm)
Warning Levels 1980 - 1984
147.9392.1392.1392.1392.1
85.8531.3531.3531.3531.3
132.5224.9224.9224.9224.9
202.2357.4357.4357.4357.4
36.9559.6559.6559.6559.6
391.6391.6107.5391.6391.6
80.2485485485485
202.7113.4202.7202.7202.7
30.8315.7315.7315.7315.7
34.2249.9249.9249.9249.9
202230.1202202202
139.9253.7253.7253.7253.7
118.3266.6266.6266.6266.6
65.3303.8303.8303.8303.8
136.5222.8222.8222.8222.8
66324.7324.7324.7324.7
85352352352352
69.9304.9304.9304.9304.9
52239.3239.3239.3239.3
159.4266.3266.3266.3266.3
76.6304.4304.4304.4304.4
107.4363.2363.2363.2363.2
164.1242.8242.8242.8242.8
105.7364.5364.5364.5364.5
14.4281.3281.3281.3281.3
338.4135.5338.4338.4338.4
155.9130.4130.4130.4130.4
313.8141.2313.8313.8313.8
95.8171.3171.3171.3171.3
318.269.1318.2318.2318.2
29.6238.8238.8238.8238.8
319.562.5319.5319.5319.5
17.9507.4507.4507.4507.4
223.7136.1223.7223.7223.7
359.8359.8246.2359.8359.8
27.8586.3586.3586.3586.3
59.9726.6726.6726.6726.6
10.1365.1365.1365.1365.1
81.8247.1247.1247.1247.1
236.9175.5236.9236.9236.9
591.5591.5270.3591.5591.5
16.5444.8444.8444.8444.8
41.541.141.141.141.1
96.161.261.261.261.2
163.165656565
228.1236.1228.1228.1228.1
90.663.163.163.163.1
45340.2340.2340.2340.2
122475.2475.2475.2475.2
212.872.7212.8212.8212.8
120.2283.2283.2283.2283.2
185.4246.5185.4185.4185.4
78136.3136.3136.3136.3
6.2231.3231.3231.3231.3
406.2406.2382.6406.2406.2
33.7788.9788.9788.9788.9
31.4800.7800.7800.7800.7
556.3200556.3556.3556.3
104.1391.5391.5391.5391.5
96.2359.1359.1359.1359.1
134.6256.7256.7256.7256.7
265.1127.9127.9127.9127.9
86.5400.4400.4400.4400.4
140.992.292.292.292.2
26.8363.6363.6363.6363.6
78.464.664.664.664.6
229.9288.1229.9229.9229.9
116.2249.6249.6249.6249.6
365.8208.8365.8365.8365.8
141.6205.9141.6141.6141.6
347.5347.5213.8347.5347.5
561.3561.3232.6561.3561.3
0714.2714.2714.2714.2
41.9443.9443.9443.9443.9
136.5123.9123.9123.9123.9
67.6294.7294.7294.7294.7
172.1371.5371.5371.5371.5
69.8547.3547.3547.3547.3
91.9
67.3207.3207.3207.3207.3
081.681.681.681.6
68.785.485.485.485.4
76.8139.4139.4139.4139.4
110.5168.7168.7168.7168.7
52.6279.2279.2279.2279.2
331331118.5331331
71.5448.9448.9448.9448.9
45.862.962.962.962.9
61135.2135.2135.2135.2
56.3238.7238.7238.7238.7
4.3292.4292.4292.4292.4
145.9284.8145.9145.9145.9
62.3102102102102
68.381.481.481.481.4
69.2166.3166.3166.3166.3
36.8112.8112.8112.8112.8
113.6149.6149.6149.6149.6
44.8138.8138.8138.8138.8
129.332.332.332.332.3
209261261261261
26.1717.5717.5717.5717.5
245.2124.1124.1124.1124.1
31.6376.8376.8376.8376.8
96.1105105105105
33.3148148148148
54.6128.554.654.654.6
59.971717171
36.8180.8180.8180.8180.8
55.9321.6321.6321.6321.6
188.8188.8258.4188.8188.8
456.9205.5456.9456.9456.9
22.1663.7663.7663.7663.7
54.3125.2125.2125.2125.2
114.989.989.989.989.9
204.2207.6207.6207.6207.6
375.6375.6334.2375.6375.6
47.6669.9669.9669.9669.9
73.8199.1199.1199.1199.1
4.7158.6158.6158.6158.6
157.281.4157.2157.2157.2
4.1109.2109.2109.2109.2
197.498.6197.4197.4197.4
37.1172.7172.7172.7172.7
57.7254.7254.7254.7254.7
90.666666666
51.6222.3222.3222.3222.3
76.676.6346.776.676.6
02250
200100200
800100800
000
150150150
800800800
00300
6060240
180180120
65
40
35
35
Minor Incident
Severe Incident
Disastrous Incident
RED Warning from July 1983
old Amber
Antecedent 15 day Rainfall (mm)
Rainfall on Day of Incident (mm)
392.1392.1392.1392.1
531.3531.3531.3531.3
224.9224.9224.9224.9
357.4357.4357.4357.4
559.6559.6559.6559.6
391.6391.6391.6391.6
485485485485
202.7202.7202.7202.7
315.7315.7315.7315.7
249.9249.9249.9249.9
202202202202
253.7253.7253.7253.7
266.6266.6266.6266.6
303.8303.8303.8303.8
222.8222.8222.8222.8
324.7324.7324.7324.7
352352352352
304.9304.9304.9304.9
239.3239.3239.3239.3
266.3266.3266.3266.3
304.4304.4304.4304.4
363.2363.2363.2363.2
242.8242.8242.8242.8
364.5364.5364.5364.5
281.3281.3281.3281.3
338.4338.4338.4338.4
130.4130.4130.4130.4
313.8313.8313.8313.8
171.3171.3171.3171.3
318.2318.2318.2318.2
238.8238.8238.8238.8
319.5319.5319.5319.5
507.4507.4507.4507.4
223.7223.7223.7223.7
359.8359.8359.8359.8
586.3586.3586.3586.3
726.6726.6726.6726.6
365.1365.1365.1365.1
247.1247.1247.1247.1
236.9236.9236.9236.9
591.5591.5591.5591.5
444.8444.8444.8444.8
41.141.141.141.1
61.261.261.261.2
65656565
228.1228.1228.1228.1
63.163.163.163.1
340.2340.2340.2340.2
475.2475.2475.2475.2
212.8212.8212.8212.8
283.2283.2283.2283.2
185.4185.4185.4185.4
136.3136.3136.3136.3
231.3231.3231.3231.3
406.2406.2406.2406.2
788.9788.9788.9788.9
800.7800.7800.7800.7
556.3556.3556.3556.3
391.5391.5391.5391.5
359.1359.1359.1359.1
256.7256.7256.7256.7
127.9127.9127.9127.9
400.4400.4400.4400.4
92.292.292.292.2
363.6363.6363.6363.6
64.664.664.664.6
229.9229.9229.9229.9
249.6249.6249.6249.6
365.8365.8365.8365.8
141.6141.6141.6141.6
347.5347.5347.5347.5
561.3561.3561.3561.3
714.2714.2714.2714.2
443.9443.9443.9443.9
123.9123.9123.9123.9
294.7294.7294.7294.7
371.5371.5371.5371.5
547.3547.3547.3547.3
207.3207.3207.3207.3
81.681.681.681.6
85.485.485.485.4
139.4139.4139.4139.4
168.7168.7168.7168.7
279.2279.2279.2279.2
331331331331
448.9448.9448.9448.9
62.962.962.962.9
135.2135.2135.2135.2
238.7238.7238.7238.7
292.4292.4292.4292.4
145.9145.9145.9145.9
102102102102
81.481.481.481.4
166.3166.3166.3166.3
112.8112.8112.8112.8
149.6149.6149.6149.6
138.8138.8138.8138.8
32.332.332.332.3
261261261261
717.5717.5717.5717.5
124.1124.1124.1124.1
376.8376.8376.8376.8
105105105105
148148148148
54.654.654.654.6
71717171
180.8180.8180.8180.8
321.6321.6321.6321.6
188.8188.8188.8188.8
456.9456.9456.9456.9
663.7663.7663.7663.7
125.2125.2125.2125.2
89.989.989.989.9
207.6207.6207.6207.6
375.6375.6375.6375.6
669.9669.9669.9669.9
199.1199.1199.1199.1
158.6158.6158.6158.6
157.2157.2157.2157.2
109.2109.2109.2109.2
197.4197.4197.4197.4
172.7172.7172.7172.7
254.7254.7254.7254.7
66666666
222.3222.3222.3222.3
76.676.676.676.6
30022500
100100200200
100100800800
002000
150150100150
800800100800
000300
606060240
180180180120
65
40
35
35
A
B
C
RED Warning
RED Warning from July 1983
Alternative C
old Amber
Antecedent 15 Day Rainfall (mm)
Rainfall on day of Event (mm)
147.9392.1392.1392.1
85.8531.3531.3531.3
132.5224.9224.9224.9
202.2357.4357.4357.4
36.9559.6559.6559.6
391.6391.6107.5391.6
80.2485485485
202.7113.4202.7202.7
30.8315.7315.7315.7
34.2249.9249.9249.9
202230.1202202
139.9253.7253.7253.7
118.3266.6266.6266.6
65.3303.8303.8303.8
136.5222.8222.8222.8
66324.7324.7324.7
85352352352
69.9304.9304.9304.9
52239.3239.3239.3
159.4266.3266.3266.3
76.6304.4304.4304.4
107.4363.2363.2363.2
164.1242.8242.8242.8
105.7364.5364.5364.5
14.4281.3281.3281.3
338.4135.5338.4338.4
155.9130.4130.4130.4
313.8141.2313.8313.8
95.8171.3171.3171.3
318.269.1318.2318.2
29.6238.8238.8238.8
319.562.5319.5319.5
17.9507.4507.4507.4
223.7136.1223.7223.7
359.8359.8246.2359.8
27.8586.3586.3586.3
59.9726.6726.6726.6
10.1365.1365.1365.1
81.8247.1247.1247.1
236.9175.5236.9236.9
591.5591.5270.3591.5
16.5444.8444.8444.8
41.541.141.141.1
96.161.261.261.2
163.1656565
228.1236.1228.1228.1
90.663.163.163.1
45340.2340.2340.2
122475.2475.2475.2
212.872.7212.8212.8
120.2283.2283.2283.2
185.4246.5185.4185.4
78136.3136.3136.3
6.2231.3231.3231.3
406.2406.2382.6406.2
33.7788.9788.9788.9
31.4800.7800.7800.7
556.3200556.3556.3
104.1391.5391.5391.5
96.2359.1359.1359.1
134.6256.7256.7256.7
265.1127.9127.9127.9
86.5400.4400.4400.4
140.992.292.292.2
26.8363.6363.6363.6
78.464.664.664.6
229.9288.1229.9229.9
116.2249.6249.6249.6
365.8208.8365.8365.8
141.6205.9141.6141.6
347.5347.5213.8347.5
561.3561.3232.6561.3
0714.2714.2714.2
41.9443.9443.9443.9
136.5123.9123.9123.9
67.6294.7294.7294.7
172.1371.5371.5371.5
69.8547.3547.3547.3
91.9
67.3207.3207.3207.3
081.681.681.6
68.785.485.485.4
76.8139.4139.4139.4
110.5168.7168.7168.7
52.6279.2279.2279.2
331331118.5331
71.5448.9448.9448.9
45.862.962.962.9
61135.2135.2135.2
56.3238.7238.7238.7
4.3292.4292.4292.4
145.9284.8145.9145.9
62.3102102102
68.381.481.481.4
69.2166.3166.3166.3
36.8112.8112.8112.8
113.6149.6149.6149.6
44.8138.8138.8138.8
129.332.332.332.3
209261261261
26.1717.5717.5717.5
245.2124.1124.1124.1
31.6376.8376.8376.8
96.1105105105
33.3148148148
54.6128.554.654.6
59.9717171
36.8180.8180.8180.8
55.9321.6321.6321.6
188.8188.8258.4188.8
456.9205.5456.9456.9
22.1663.7663.7663.7
54.3125.2125.2125.2
114.989.989.989.9
204.2207.6207.6207.6
375.6375.6334.2375.6
47.6669.9669.9669.9
73.8199.1199.1199.1
4.7158.6158.6158.6
157.281.4157.2157.2
4.1109.2109.2109.2
197.498.6197.4197.4
37.1172.7172.7172.7
57.7254.7254.7254.7
90.6666666
51.6222.3222.3222.3
76.676.6346.776.6
00
200200
800800
00
150150
800800
0300
60240
180120
65
40
35
35
Minor Incident
Severe Incident
Disastrous Incident
old Amber
Antecedent 15 day Rainfall (mm)
Rainfall on Day of Incident (mm)
Record of Landslide Incidents in Hong Kong1930 - 1982
Incident No.DateCategoryRainfall on day (mm)Antecedent Rainfall
(mm)Minor IncidentSevere IncidentDisastrous IncidentRED
WarningAMBER WarningRED Warning from July 1983Alternative COld
REDold Amber
17/24/30M147.9392.1147.9
27/25/30M85.8531.385.8
39/16/30M132.5224.9132.5
49/17/30M202.2357.4202.2
59/18/30M36.9559.636.9
67/30/32D107.5391.6107.5
77/31/32M80.248580.2
88/28/32S113.4202.7113.4
98/29/32M30.8315.730.8
106/30/33M34.2249.934.2
116/22/34S230.1202230.1
127/29/34M139.9253.7139.9
138/18/34M118.3266.6118.3
148/19/34M65.3303.865.3
158/2/36M136.5222.8136.5
168/4/36M66324.766
178/17/36M8535285
187/5/37M69.9304.969.9
198/22/37M52239.352
206/7/47M159.4266.3159.4
216/12/48M76.6304.476.6
227/28/48M107.4363.2107.4
236/25/49M164.1242.8164.1
246/26/49M105.7364.5105.7
255/14/51M14.4281.314.4
266/7/51S135.5338.4135.5
276/13/52M155.9130.4155.9
289/14/52S141.2313.8141.2
299/19/53M95.8171.395.8
305/11/55S69.1318.269.1
317/11/55M29.6238.829.6
327/18/55S62.5319.562.5
337/23/55M17.9507.417.9
345/21/57S136.1223.7136.1
355/22/57D246.2359.8246.2
365/25/57M27.8586.327.8
375/29/57M59.9726.659.9
387/18/57M10.1365.110.1
397/26/58M81.8247.181.8
406/13/59S175.5236.9175.5
416/15/59D270.3591.5270.3
428/10/59M16.5444.816.5
435/6/60M41.541.141.5
445/14/60M96.161.296.1
456/8/60M163.165163.1
466/9/60S236.1228.1236.1
473/19/61M90.663.190.6
489/4/61M45340.245
499/10/61M122475.2122
508/16/64S72.7212.872.7
519/11/64M120.2283.2120.2
5210/13/64S246.5185.4246.5
535/11/65M78136.378
549/29/65M6.2231.36.2
556/15/66D382.6406.2382.6
566/13/66M33.7788.933.7
576/15/66M31.4800.731.4
586/13/68S200556.3200
596/19/68M104.1391.5104.1
607/4/68M96.2359.196.2
616/5/69M134.6256.7134.6
625/13/70M265.1127.9265.1
635/26/70M86.5400.486.5
648/3/70M140.992.2140.9
659/10/70M26.8363.626.8
666/7/71M78.464.678.4
678/17/71S288.1229.9288.1
685/10/72M116.2249.6116.2
695/11/72S208.8365.8208.8
706/16/72S205.9141.6205.9
716/17/72D213.8347.5213.8
726/18/72D232.6561.3232.6
736/21/72M0714.20
748/21/72M41.9443.941.9
755/6/73M136.5123.9136.5
767/9/73M67.6294.767.6
777/17/73M172.1371.5172.1
789/2/73M69.8547.369.8
796/23/77M91.991.9
809/6/77M67.3207.367.3
814/12/78M081.60
824/16/78M68.785.468.7
835/18/78M76.8139.476.8
847/27/78M110.5168.7110.5
857/28/78M52.6279.252.6
867/29/78D118.5331118.5
877/30/78M71.5448.971.5
888/27/78M45.862.945.8
899/26/78M61135.261
9010/1/78M56.3238.756.3
9110/2/78M4.3292.44.3
9210/17/78S284.8145.9284.8
934/3/79M62.310262.3
945/13/79M68.381.468.3
955/15/79M69.2166.369.2
966/10/79m36.8112.836.8
976/11/79M113.6149.6113.6
987/1/79M44.8138.844.8
997/30/79M129.332.3129.3
1008/2/79M209261209
1018/11/79M26.1717.526.1
1029/23/79M245.2124.1245.2
1039/25/79M31.6376.831.6
1045/11/81M96.110596.1
1056/5/81M33.314833.3
1069/29/81S128.554.6128.5
1074/23/82M59.97159.9
1084/27/82M36.8180.836.8
1095/7/82M55.9321.655.9
1105/29/82D258.4188.8258.4
1115/31/82S205.5456.9205.5
1126/2/82M22.1663.722.1
1137/3/82M54.3125.254.3
1148/1/82M114.989.9114.9
1158/3/82M204.2207.6204.2
1168/16/82D334.2375.6334.2
1178/18/82M47.6669.947.6
1189/16/82M73.8199.173.8
1192/21/83M4.7158.64.7
1203/2/83S81.4157.281.4
1213/17/83M4.1109.24.1
1223/27/83S98.6197.498.6
1234/5/83M37.1172.737.1
1244/8/83M57.7254.757.7
1255/15/83M90.66690.6
1265/27/83M51.6222.351.6
1276/17/83D346.776.6346.7
0300200225
20010060100
80010060100
0200
150100
800100
0330300
60260240
180180120
32512565
5009540
7008535
8008035
DISASTER
SEVERE
MINOR
ISOLATED
147.9392.1392.1392.1392.1
85.8531.3531.3531.3531.3
132.5224.9224.9224.9224.9
202.2357.4357.4357.4357.4
36.9559.6559.6559.6559.6
391.6391.6107.5391.6391.6
80.2485485485485
202.7113.4202.7202.7202.7
30.8315.7315.7315.7315.7
34.2249.9249.9249.9249.9
202230.1202202202
139.9253.7253.7253.7253.7
118.3266.6266.6266.6266.6
65.3303.8303.8303.8303.8
136.5222.8222.8222.8222.8
66324.7324.7324.7324.7
85352352352352
69.9304.9304.9304.9304.9
52239.3239.3239.3239.3
159.4266.3266.3266.3266.3
76.6304.4304.4304.4304.4
107.4363.2363.2363.2363.2
164.1242.8242.8242.8242.8
105.7364.5364.5364.5364.5
14.4281.3281.3281.3281.3
338.4135.5338.4338.4338.4
155.9130.4130.4130.4130.4
313.8141.2313.8313.8313.8
95.8171.3171.3171.3171.3
318.269.1318.2318.2318.2
29.6238.8238.8238.8238.8
319.562.5319.5319.5319.5
17.9507.4507.4507.4507.4
223.7136.1223.7223.7223.7
359.8359.8246.2359.8359.8
27.8586.3586.3586.3586.3
59.9726.6726.6726.6726.6
10.1365.1365.1365.1365.1
81.8247.1247.1247.1247.1
236.9175.5236.9236.9236.9
591.5591.5270.3591.5591.5
16.5444.8444.8444.8444.8
41.541.141.141.141.1
96.161.261.261.261.2
163.165656565
228.1236.1228.1228.1228.1
90.663.163.163.163.1
45340.2340.2340.2340.2
122475.2475.2475.2475.2
212.872.7212.8212.8212.8
120.2283.2283.2283.2283.2
185.4246.5185.4185.4185.4
78136.3136.3136.3136.3
6.2231.3231.3231.3231.3
406.2406.2382.6406.2406.2
33.7788.9788.9788.9788.9
31.4800.7800.7800.7800.7
556.3200556.3556.3556.3
104.1391.5391.5391.5391.5
96.2359.1359.1359.1359.1
134.6256.7256.7256.7256.7
265.1127.9127.9127.9127.9
86.5400.4400.4400.4400.4
140.992.292.292.292.2
26.8363.6363.6363.6363.6
78.464.664.664.664.6
229.9288.1229.9229.9229.9
116.2249.6249.6249.6249.6
365.8208.8365.8365.8365.8
141.6205.9141.6141.6141.6
347.5347.5213.8347.5347.5
561.3561.3232.6561.3561.3
0714.2714.2714.2714.2
41.9443.9443.9443.9443.9
136.5123.9123.9123.9123.9
67.6294.7294.7294.7294.7
172.1371.5371.5371.5371.5
69.8547.3547.3547.3547.3
91.9
67.3207.3207.3207.3207.3
081.681.681.681.6
68.785.485.485.485.4
76.8139.4139.4139.4139.4
110.5168.7168.7168.7168.7
52.6279.2279.2279.2279.2
331331118.5331331
71.5448.9448.9448.9448.9
45.862.962.962.962.9
61135.2135.2135.2135.2
56.3238.7238.7238.7238.7
4.3292.4292.4292.4292.4
145.9284.8145.9145.9145.9
62.3102102102102
68.381.481.481.481.4
69.2166.3166.3166.3166.3
36.8112.8112.8112.8112.8
113.6149.6149.6149.6149.6
44.8138.8138.8138.8138.8
129.332.332.332.332.3
209261261261261
26.1717.5717.5717.5717.5
245.2124.1124.1124.1124.1
31.6376.8376.8376.8376.8
96.1105105105105
33.3148148148148
54.6128.554.654.654.6
59.971717171
36.8180.8180.8180.8180.8
55.9321.6321.6321.6321.6
188.8188.8258.4188.8188.8
456.9205.5456.9456.9456.9
22.1663.7663.7663.7663.7
54.3125.2125.2125.2125.2
114.989.989.989.989.9
204.2207.6207.6207.6207.6
375.6375.6334.2375.6375.6
47.6669.9669.9669.9669.9
73.8199.1199.1199.1199.1
4.7158.6158.6158.6158.6
157.281.4157.2157.2157.2
4.1109.2109.2109.2109.2
197.498.6197.4197.4197.4
37.1172.7172.7172.7172.7
57.7254.7254.7254.7254.7
90.666666666
51.6222.3222.3222.3222.3
76.676.6346.776.676.6
000
200200200
800800800
000
150150150
800800800
0330300
60260240
180180120
12565
9540
8535
8035
Minor Incident
Severe Incident
Disastrous Incident
Old RED
RED Warning (1977 - 1979)
old Amber
Amber Warning (1977 - 1979)
Antecedent Rainfall (mm)
Rainfall on Day (mm)
392.1392.1
531.3531.3
224.9224.9
357.4357.4
559.6559.6
391.6391.6
485485
202.7202.7
315.7315.7
249.9249.9
202202
253.7253.7
266.6266.6
303.8303.8
222.8222.8
324.7324.7
352352
304.9304.9
239.3239.3
266.3266.3
304.4304.4
363.2363.2
242.8242.8
364.5364.5
281.3281.3
338.4338.4
130.4130.4
313.8313.8
171.3171.3
318.2318.2
238.8238.8
319.5319.5
507.4507.4
223.7223.7
359.8359.8
586.3586.3
726.6726.6
365.1365.1
247.1247.1
236.9236.9
591.5591.5
444.8444.8
41.141.1
61.261.2
6565
228.1228.1
63.163.1
340.2340.2
475.2475.2
212.8212.8
283.2283.2
185.4185.4
136.3136.3
231.3231.3
406.2406.2
788.9788.9
800.7800.7
556.3556.3
391.5391.5
359.1359.1
256.7256.7
127.9127.9
400.4400.4
92.292.2
363.6363.6
64.664.6
229.9229.9
249.6249.6
365.8365.8
141.6141.6
347.5347.5
561.3561.3
714.2714.2
443.9443.9
123.9123.9
294.7294.7
371.5371.5
547.3547.3
207.3207.3
81.681.6
85.485.4
139.4139.4
168.7168.7
279.2279.2
331331
448.9448.9
62.962.9
135.2135.2
238.7238.7
292.4292.4
145.9145.9
102102
81.481.4
166.3166.3
112.8112.8
149.6149.6
138.8138.8
32.332.3
261261
717.5717.5
124.1124.1
376.8376.8
105105
148148
54.654.6
7171
180.8180.8
321.6321.6
188.8188.8
456.9456.9
663.7663.7
125.2125.2
89.989.9
207.6207.6
375.6375.6
669.9669.9
199.1199.1
158.6158.6
157.2157.2
109.2109.2
197.4197.4
172.7172.7
254.7254.7
6666
222.3222.3
76.676.6
00
200200
800800
00
150150
800800
330300
260240
180120
12565
9540
8535
8035
Old RED
RED Warning
old Amber
AMBER Warning
Antecedent 15 day Rainfall (mm)
Rainfall on Landslide Incident Day (mm)
Warning Levels used 1977 - 1979
392.1392.1392.1392.1392.1
531.3531.3531.3531.3531.3
224.9224.9224.9224.9224.9
357.4357.4357.4357.4357.4
559.6559.6559.6559.6559.6
391.6391.6391.6391.6391.6
485485485485485
202.7202.7202.7202.7202.7
315.7315.7315.7315.7315.7
249.9249.9249.9249.9249.9
202202202202202
253.7253.7253.7253.7253.7
266.6266.6266.6266.6266.6
303.8303.8303.8303.8303.8
222.8222.8222.8222.8222.8
324.7324.7324.7324.7324.7
352352352352352
304.9304.9304.9304.9304.9
239.3239.3239.3239.3239.3
266.3266.3266.3266.3266.3
304.4304.4304.4304.4304.4
363.2363.2363.2363.2363.2
242.8242.8242.8242.8242.8
364.5364.5364.5364.5364.5
281.3281.3281.3281.3281.3
338.4338.4338.4338.4338.4
130.4130.4130.4130.4130.4
313.8313.8313.8313.8313.8
171.3171.3171.3171.3171.3
318.2318.2318.2318.2318.2
238.8238.8238.8238.8238.8
319.5319.5319.5319.5319.5
507.4507.4507.4507.4507.4
223.7223.7223.7223.7223.7
359.8359.8359.8359.8359.8
586.3586.3586.3586.3586.3
726.6726.6726.6726.6726.6
365.1365.1365.1365.1365.1
247.1247.1247.1247.1247.1
236.9236.9236.9236.9236.9
591.5591.5591.5591.5591.5
444.8444.8444.8444.8444.8
41.141.141.141.141.1
61.261.261.261.261.2
6565656565
228.1228.1228.1228.1228.1
63.163.163.163.163.1
340.2340.2340.2340.2340.2
475.2475.2475.2475.2475.2
212.8212.8212.8212.8212.8
283.2283.2283.2283.2283.2
185.4185.4185.4185.4185.4
136.3136.3136.3136.3136.3
231.3231.3231.3231.3231.3
406.2406.2406.2406.2406.2
788.9788.9788.9788.9788.9
800.7800.7800.7800.7800.7
556.3556.3556.3556.3556.3
391.5391.5391.5391.5391.5
359.1359.1359.1359.1359.1
256.7256.7256.7256.7256.7
127.9127.9127.9127.9127.9
400.4400.4400.4400.4400.4
92.292.292.292.292.2
363.6363.6363.6363.6363.6
64.664.664.664.664.6
229.9229.9229.9229.9229.9
249.6249.6249.6249.6249.6
365.8365.8365.8365.8365.8
141.6141.6141.6141.6141.6
347.5347.5347.5347.5347.5
561.3561.3561.3561.3561.3
714.2714.2714.2714.2714.2
443.9443.9443.9443.9443.9
123.9123.9123.9123.9123.9
294.7294.7294.7294.7294.7
371.5371.5371.5371.5371.5
547.3547.3547.3547.3547.3
207.3207.3207.3207.3207.3
81.681.681.681.681.6
85.485.485.485.485.4
139.4139.4139.4139.4139.4
168.7168.7168.7168.7168.7
279.2279.2279.2279.2279.2
331331331331331
448.9448.9448.9448.9448.9
62.962.962.962.962.9
135.2135.2135.2135.2135.2
238.7238.7238.7238.7238.7
292.4292.4292.4292.4292.4
145.9145.9145.9145.9145.9
102102102102102
81.481.481.481.481.4
166.3166.3166.3166.3166.3
112.8112.8112.8112.8112.8
149.6149.6149.6149.6149.6
138.8138.8138.8138.8138.8
32.332.332.332.332.3
261261261261261
717.5717.5717.5717.5717.5
124.1124.1124.1124.1124.1
376.8376.8376.8376.8376.8
105105105105105
148148148148148
54.654.654.654.654.6
7171717171
180.8180.8180.8180.8180.8
321.6321.6321.6321.6321.6
188.8188.8188.8188.8188.8
456.9456.9456.9456.9456.9
663.7663.7663.7663.7663.7
125.2125.2125.2125.2125.2
89.989.989.989.989.9
207.6207.6207.6207.6207.6
375.6375.6375.6375.6375.6
669.9669.9669.9669.9669.9
199.1199.1199.1199.1199.1
158.6158.6158.6158.6158.6
157.2157.2157.2157.2157.2
109.2109.2109.2109.2109.2
197.4197.4197.4197.4197.4
172.7172.7172.7172.7172.7
254.7254.7254.7254.7254.7
6666666666
222.3222.3222.3222.3222.3
76.676.676.676.676.6
30020022500
10060100200200
10060100800800
00000
150150150150150
800800800800800
000330300
606060260240
180180180180120
12565
9540
8535
8035
RED Warning
AMBER Warning
RED Warning from July 1983
Old RED
old Amber
Antecedent 15 day Rainfall (mm)
Rainfall on Landslide Incident Day (mm)
Warning Levels 1980 - 1984
147.9392.1392.1392.1392.1
85.8531.3531.3531.3531.3
132.5224.9224.9224.9224.9
202.2357.4357.4357.4357.4
36.9559.6559.6559.6559.6
391.6391.6107.5391.6391.6
80.2485485485485
202.7113.4202.7202.7202.7
30.8315.7315.7315.7315.7
34.2249.9249.9249.9249.9
202230.1202202202
139.9253.7253.7253.7253.7
118.3266.6266.6266.6266.6
65.3303.8303.8303.8303.8
136.5222.8222.8222.8222.8
66324.7324.7324.7324.7
85352352352352
69.9304.9304.9304.9304.9
52239.3239.3239.3239.3
159.4266.3266.3266.3266.3
76.6304.4304.4304.4304.4
107.4363.2363.2363.2363.2
164.1242.8242.8242.8242.8
105.7364.5364.5364.5364.5
14.4281.3281.3281.3281.3
338.4135.5338.4338.4338.4
155.9130.4130.4130.4130.4
313.8141.2313.8313.8313.8
95.8171.3171.3171.3171.3
318.269.1318.2318.2318.2
29.6238.8238.8238.8238.8
319.562.5319.5319.5319.5
17.9507.4507.4507.4507.4
223.7136.1223.7223.7223.7
359.8359.8246.2359.8359.8
27.8586.3586.3586.3586.3
59.9726.6726.6726.6726.6
10.1365.1365.1365.1365.1
81.8247.1247.1247.1247.1
236.9175.5236.9236.9236.9
591.5591.5270.3591.5591.5
16.5444.8444.8444.8444.8
41.541.141.141.141.1
96.161.261.261.261.2
163.165656565
228.1236.1228.1228.1228.1
90.663.163.163.163.1
45340.2340.2340.2340.2
122475.2475.2475.2475.2
212.872.7212.8212.8212.8
120.2283.2283.2283.2283.2
185.4246.5185.4185.4185.4
78136.3136.3136.3136.3
6.2231.3231.3231.3231.3
406.2406.2382.6406.2406.2
33.7788.9788.9788.9788.9
31.4800.7800.7800.7800.7
556.3200556.3556.3556.3
104.1391.5391.5391.5391.5
96.2359.1359.1359.1359.1
134.6256.7256.7256.7256.7
265.1127.9127.9127.9127.9
86.5400.4400.4400.4400.4
140.992.292.292.292.2
26.8363.6363.6363.6363.6
78.464.664.664.664.6
229.9288.1229.9229.9229.9
116.2249.6249.6249.6249.6
365.8208.8365.8365.8365.8
141.6205.9141.6141.6141.6
347.5347.5213.8347.5347.5
561.3561.3232.6561.3561.3
0714.2714.2714.2714.2
41.9443.9443.9443.9443.9
136.5123.9123.9123.9123.9
67.6294.7294.7294.7294.7
172.1371.5371.5371.5371.5
69.8547.3547.3547.3547.3
91.9
67.3207.3207.3207.3207.3
081.681.681.681.6
68.785.485.485.485.4
76.8139.4139.4139.4139.4
110.5168.7168.7168.7168.7
52.6279.2279.2279.2279.2
331331118.5331331
71.5448.9448.9448.9448.9
45.862.962.962.962.9
61135.2135.2135.2135.2
56.3238.7238.7238.7238.7
4.3292.4292.4292.4292.4
145.9284.8145.9145.9145.9
62.3102102102102
68.381.481.481.481.4
69.2166.3166.3166.3166.3
36.8112.8112.8112.8112.8
113.6149.6149.6149.6149.6
44.8138.8138.8138.8138.8
129.332.332.332.332.3
209261261261261
26.1717.5717.5717.5717.5
245.2124.1124.1124.1124.1
31.6376.8376.8376.8376.8
96.1105105105105
33.3148148148148
54.6128.554.654.654.6
59.971717171
36.8180.8180.8180.8180.8
55.9321.6321.6321.6321.6
188.8188.8258.4188.8188.8
456.9205.5456.9456.9456.9
22.1663.7663.7663.7663.7
54.3125.2125.2125.2125.2
114.989.989.989.989.9
204.2207.6207.6207.6207.6
375.6375.6334.2375.6375.6
47.6669.9669.9669.9669.9
73.8199.1199.1199.1199.1
4.7158.6158.6158.6158.6
157.281.4157.2157.2157.2
4.1109.2109.2109.2109.2
197.498.6197.4197.4197.4
37.1172.7172.7172.7172.7
57.7254.7254.7254.7254.7
90.666666666
51.6222.3222.3222.3222.3
76.676.6346.776.676.6
02250
200100200
800100800
000
150150150
800800800
00300
6060240
180180120
65
40
35
35
Minor Incident
Severe Incident
Disastrous Incident
RED Warning from July 1983
old Amber
Antecedent 15 day Rainfall (mm)
Rainfall on Day of Incident (mm)
392.1392.1392.1392.1
531.3531.3531.3531.3
224.9224.9224.9224.9
357.4357.4357.4357.4
559.6559.6559.6559.6
391.6391.6391.6391.6
485485485485
202.7202.7202.7202.7
315.7315.7315.7315.7
249.9249.9249.9249.9
202202202202
253.7253.7253.7253.7
266.6266.6266.6266.6
303.8303.8303.8303.8
222.8222.8222.8222.8
324.7324.7324.7324.7
352352352352
304.9304.9304.9304.9
239.3239.3239.3239.3
266.3266.3266.3266.3
304.4304.4304.4304.4
363.2363.2363.2363.2
242.8242.8242.8242.8
364.5364.5364.5364.5
281.3281.3281.3281.3
338.4338.4338.4338.4
130.4130.4130.4130.4
313.8313.8313.8313.8
171.3171.3171.3171.3
318.2318.2318.2318.2
238.8238.8238.8238.8
319.5319.5319.5319.5
507.4507.4507.4507.4
223.7223.7223.7223.7
359.8359.8359.8359.8
586.3586.3586.3586.3
726.6726.6726.6726.6
365.1365.1365.1365.1
247.1247.1247.1247.1
236.9236.9236.9236.9
591.5591.5591.5591.5
444.8444.8444.8444.8
41.141.141.141.1
61.261.261.261.2
65656565
228.1228.1228.1228.1
63.163.163.163.1
340.2340.2340.2340.2
475.2475.2475.2475.2
212.8212.8212.8212.8
283.2283.2283.2283.2
185.4185.4185.4185.4
136.3136.3136.3136.3
231.3231.3231.3231.3
406.2406.2406.2406.2
788.9788.9788.9788.9
800.7800.7800.7800.7
556.3556.3556.3556.3
391.5391.5391.5391.5
359.1359.1359.1359.1
256.7256.7256.7256.7
127.9127.9127.9127.9
400.4400.4400.4400.4
92.292.292.292.2
363.6363.6363.6363.6
64.664.664.664.6
229.9229.9229.9229.9
249.6249.6249.6249.6
365.8365.8365.8365.8
141.6141.6141.6141.6
347.5347.5347.5347.5
561.3561.3561.3561.3
714.2714.2714.2714.2
443.9443.9443.9443.9
123.9123.9123.9123.9
294.7294.7294.7294.7
371.5371.5371.5371.5
547.3547.3547.3547.3
207.3207.3207.3207.3
81.681.681.681.6
85.485.485.485.4
139.4139.4139.4139.4
168.7168.7168.7168.7
279.2279.2279.2279.2
331331331331
448.9448.9448.9448.9
62.962.962.962.9
135.2135.2135.2135.2
238.7238.7238.7238.7
292.4292.4292.4292.4
145.9145.9145.9145.9
102102102102
81.481.481.481.4
166.3166.3166.3166.3
112.8112.8112.8112.8
149.6149.6149.6149.6
138.8138.8138.8138.8
32.332.332.332.3
261261261261
717.5717.5717.5717.5
124.1124.1124.1124.1
376.8376.8376.8376.8
105105105105
148148148148
54.654.654.654.6
71717171
180.8180.8180.8180.8
321.6321.6321.6321.6
188.8188.8188.8188.8
456.9456.9456.9456.9
663.7663.7663.7663.7
125.2125.2125.2125.2
89.989.989.989.9
207.6207.6207.6207.6
375.6375.6375.6375.6
669.9669.9669.9669.9
199.1199.1199.1199.1
158.6158.6158.6158.6
157.2157.2157.2157.2
109.2109.2109.2109.2
197.4197.4197.4197.4
172.7172.7172.7172.7
254.7254.7254.7254.7
66666666
222.3222.3222.3222.3
76.676.676.676.6
30022500
100100200200
100100800800
002000
150150100150
800800100800
000300
606060240
180180180120
65
40
35
35
A
B
C
RED Warning
RED Warning from July 1983
Alternative C
old Amber
Antecedent 15 Day Rainfall (mm)
Rainfall on day of Event (mm)
147.9392.1392.1392.1
85.8531.3531.3531.3
132.5224.9224.9224.9
202.2357.4357.4357.4
36.9559.6559.6559.6
391.6391.6107.5391.6
80.2485485485
202.7113.4202.7202.7
30.8315.7315.7315.7
34.2249.9249.9249.9
202230.1202202
139.9253.7253.7253.7
118.3266.6266.6266.6
65.3303.8303.8303.8
136.5222.8222.8222.8
66324.7324.7324.7
85352352352
69.9304.9304.9304.9
52239.3239.3239.3
159.4266.3266.3266.3
76.6304.4304.4304.4
107.4363.2363.2363.2
164.1242.8242.8242.8
105.7364.5364.5364.5
14.4281.3281.3281.3
338.4135.5338.4338.4
155.9130.4130.4130.4
313.8141.2313.8313.8
95.8171.3171.3171.3
318.269.1318.2318.2
29.6238.8238.8238.8
319.562.5319.5319.5
17.9507.4507.4507.4
223.7136.1223.7223.7
359.8359.8246.2359.8
27.8586.3586.3586.3
59.9726.6726.6726.6
10.1365.1365.1365.1
81.8247.1247.1247.1
236.9175.5236.9236.9
591.5591.5270.3591.5
16.5444.8444.8444.8
41.541.141.141.1
96.161.261.261.2
163.1656565
228.1236.1228.1228.1
90.663.163.163.1
45340.2340.2340.2
122475.2475.2475.2
212.872.7212.8212.8
120.2283.2283.2283.2
185.4246.5185.4185.4
78136.3136.3136.3
6.2231.3231.3231.3
406.2406.2382.6406.2
33.7788.9788.9788.9
31.4800.7800.7800.7
556.3200556.3556.3
104.1391.5391.5391.5
96.2359.1359.1359.1
134.6256.7256.7256.7
265.1127.9127.9127.9
86.5400.4400.4400.4
140.992.292.292.2
26.8363.6363.6363.6
78.464.664.664.6
229.9288.1229.9229.9
116.2249.6249.6249.6
365.8208.8365.8365.8
141.6205.9141.6141.6
347.5347.5213.8347.5
561.3561.3232.6561.3
0714.2714.2714.2
41.9443.9443.9443.9
136.5123.9123.9123.9
67.6294.7294.7294.7
172.1371.5371.5371.5
69.8547.3547.3547.3
91.9
67.3207.3207.3207.3
081.681.681.6
68.785.485.485.4
76.8139.4139.4139.4
110.5168.7168.7168.7
52.6279.2279.2279.2
331331118.5331
71.5448.9448.9448.9
45.862.962.962.9
61135.2135.2135.2
56.3238.7238.7238.7
4.3292.4292.4292.4
145.9284.8145.9145.9
62.3102102102
68.381.481.481.4
69.2166.3166.3166.3
36.8112.8112.8112.8
113.6149.6149.6149.6
44.8138.8138.8138.8
129.332.332.332.3
209261261261
26.1717.5717.5717.5
245.2124.1124.1124.1
31.6376.8376.8376.8
96.1105105105
33.3148148148
54.6128.554.654.6
59.9717171
36.8180.8180.8180.8
55.9321.6321.6321.6
188.8188.8258.4188.8
456.9205.5456.9456.9
22.1663.7663.7663.7
54.3125.2125.2125.2
114.989.989.989.9
204.2207.6207.6207.6
375.6375.6334.2375.6
47.6669.9669.9669.9
73.8199.1199.1199.1
4.7158.6158.6158.6
157.281.4157.2157.2
4.1109.2109.2109.2
197.498.6197.4197.4
37.1172.7172.7172.7
57.7254.7254.7254.7
90.6666666
51.6222.3222.3222.3
76.676.6346.776.6
00
200200
800800
00
150150
800800
0300
60240
180120
65
40
35
35
Minor Incident
Severe Incident
Disastrous Incident
old Amber
DISASTER
SEVERE
MINOR
ISOLATED
*Landslide Warning System 2: (1980 - mid 1983)Advantage: Much
easier to identify whether WARNING should be called - even when
chart is not to hand.
Chart2
147.9392.1392.1392.1392.1392.1
85.8531.3531.3531.3531.3531.3
132.5224.9224.9224.9224.9224.9
202.2357.4357.4357.4357.4357.4
36.9559.6559.6559.6559.6559.6
391.6391.6107.5391.6391.6391.6
80.2485485485485485
202.7113.4202.7202.7202.7202.7
30.8315.7315.7315.7315.7315.7
34.2249.9249.9249.9249.9249.9
202230.1202202202202
139.9253.7253.7253.7253.7253.7
118.3266.6266.6266.6266.6266.6
65.3303.8303.8303.8303.8303.8
136.5222.8222.8222.8222.8222.8
66324.7324.7324.7324.7324.7
85352352352352352
69.9304.9304.9304.9304.9304.9
52239.3239.3239.3239.3239.3
159.4266.3266.3266.3266.3266.3
76.6304.4304.4304.4304.4304.4
107.4363.2363.2363.2363.2363.2
164.1242.8242.8242.8242.8242.8
105.7364.5364.5364.5364.5364.5
14.4281.3281.3281.3281.3281.3
338.4135.5338.4338.4338.4338.4
155.9130.4130.4130.4130.4130.4
313.8141.2313.8313.8313.8313.8
95.8171.3171.3171.3171.3171.3
318.269.1318.2318.2318.2318.2
29.6238.8238.8238.8238.8238.8
319.562.5319.5319.5319.5319.5
17.9507.4507.4507.4507.4507.4
223.7136.1223.7223.7223.7223.7
359.8359.8246.2359.8359.8359.8
27.8586.3586.3586.3586.3586.3
59.9726.6726.6726.6726.6726.6
10.1365.1365.1365.1365.1365.1
81.8247.1247.1247.1247.1247.1
236.9175.5236.9236.9236.9236.9
591.5591.5270.3591.5591.5591.5
16.5444.8444.8444.8444.8444.8
41.541.141.141.141.141.1
96.161.261.261.261.261.2
163.16565656565
228.1236.1228.1228.1228.1228.1
90.663.163.163.163.163.1
45340.2340.2340.2340.2340.2
122475.2475.2475.2475.2475.2
212.872.7212.8212.8212.8212.8
120.2283.2283.2283.2283.2283.2
185.4246.5185.4185.4185.4185.4
78136.3136.3136.3136.3136.3
6.2231.3231.3231.3231.3231.3
406.2406.2382.6406.2406.2406.2
33.7788.9788.9788.9788.9788.9
31.4800.7800.7800.7800.7800.7
556.3200556.3556.3556.3556.3
104.1391.5391.5391.5391.5391.5
96.2359.1359.1359.1359.1359.1
134.6256.7256.7256.7256.7256.7
265.1127.9127.9127.9127.9127.9
86.5400.4400.4400.4400.4400.4
140.992.292.292.292.292.2
26.8363.6363.6363.6363.6363.6
78.464.664.664.664.664.6
229.9288.1229.9229.9229.9229.9
116.2249.6249.6249.6249.6249.6
365.8208.8365.8365.8365.8365.8
141.6205.9141.6141.6141.6141.6
347.5347.5213.8347.5347.5347.5
561.3561.3232.6561.3561.3561.3
0714.2714.2714.2714.2714.2
41.9443.9443.9443.9443.9443.9
136.5123.9123.9123.9123.9123.9
67.6294.7294.7294.7294.7294.7
172.1371.5371.5371.5371.5371.5
69.8547.3547.3547.3547.3547.3
91.9
67.3207.3207.3207.3207.3207.3
081.681.681.681.681.6
68.785.485.485.485.485.4
76.8139.4139.4139.4139.4139.4
110.5168.7168.7168.7168.7168.7
52.6279.2279.2279.2279.2279.2
331331118.5331331331
71.5448.9448.9448.9448.9448.9
45.862.962.962.962.962.9
61135.2135.2135.2135.2135.2
56.3238.7238.7238.7238.7238.7
4.3292.4292.4292.4292.4292.4
145.9284.8145.9145.9145.9145.9
62.3102102102102102
68.381.481.481.481.481.4
69.2166.3166.3166.3166.3166.3
36.8112.8112.8112.8112.8112.8
113.6149.6149.6149.6149.6149.6
44.8138.8138.8138.8138.8138.8
129.332.332.332.332.332.3
209261261261261261
26.1717.5717.5717.5717.5717.5
245.2124.1124.1124.1124.1124.1
31.6376.8376.8376.8376.8376.8
96.1105105105105105
33.3148148148148148
54.6128.554.654.654.654.6
59.97171717171
36.8180.8180.8180.8180.8180.8
55.9321.6321.6321.6321.6321.6
188.8188.8258.4188.8188.8188.8
456.9205.5456.9456.9456.9456.9
22.1663.7663.7663.7663.7663.7
54.3125.2125.2125.2125.2125.2
114.989.989.989.989.989.9
204.2207.6207.6207.6207.6207.6
375.6375.6334.2375.6375.6375.6
47.6669.9669.9669.9669.9669.9
73.8199.1199.1199.1199.1199.1
4.7158.6158.6158.6158.6158.6
157.281.4157.2157.2157.2157.2
4.1109.2109.2109.2109.2109.2
197.498.6197.4197.4197.4197.4
37.1172.7172.7172.7172.7172.7
57.7254.7254.7254.7254.7254.7
90.66666666666
51.6222.3222.3222.3222.3222.3
76.676.6346.776.676.676.6
03002000
20010060200
80010060800
0000
150150150150
800800800800
000300
606060240
180180180120
65
40
35
35
Minor Incident
Severe Incident
Disastrous Incident
RED Warning
AMBER Warning
old Amber
Sheet1
Sheet1
392.1392.1
531.3531.3
224.9224.9
357.4357.4
559.6559.6
391.6391.6
485485
202.7202.7
315.7315.7
249.9249.9
202202
253.7253.7
266.6266.6
303.8303.8
222.8222.8
324.7324.7
352352
304.9304.9
239.3239.3
266.3266.3
304.4304.4
363.2363.2
242.8242.8
364.5364.5
281.3281.3
338.4338.4
130.4130.4
313.8313.8
171.3171.3
318.2318.2
238.8238.8
319.5319.5
507.4507.4
223.7223.7
359.8359.8
586.3586.3
726.6726.6
365.1365.1
247.1247.1
236.9236.9
591.5591.5
444.8444.8
41.141.1
61.261.2
6565
228.1228.1
63.163.1
340.2340.2
475.2475.2
212.8212.8
283.2283.2
185.4185.4
136.3136.3
231.3231.3
406.2406.2
788.9788.9
800.7800.7
556.3556.3
391.5391.5
359.1359.1
256.7256.7
127.9127.9
400.4400.4
92.292.2
363.6363.6
64.664.6
229.9229.9
249.6249.6
365.8365.8
141.6141.6
347.5347.5
561.3561.3
714.2714.2
443.9443.9
123.9123.9
294.7294.7
371.5371.5
547.3547.3
207.3207.3
81.681.6
85.485.4
139.4139.4
168.7168.7
279.2279.2
331331
448.9448.9
62.962.9
135.2135.2
238.7238.7
292.4292.4
145.9145.9
102102
81.481.4
166.3166.3
112.8112.8
149.6149.6
138.8138.8
32.332.3
261261
717.5717.5
124.1124.1
376.8376.8
105105
148148
54.654.6
7171
180.8180.8
321.6321.6
188.8188.8
456.9456.9
663.7663.7
125.2125.2
89.989.9
207.6207.6
375.6375.6
669.9669.9
199.1199.1
158.6158.6
157.2157.2
109.2109.2
197.4197.4
172.7172.7
254.7254.7
6666
222.3222.3
76.676.6
00
200200
800800
00
150150
800800
330300
260240
180120
12565
9540
8535
8035
Old RED
RED Warning
old Amber
AMBER Warning
Warning Levels used 1977 - 1979
landslide_data
Record of Landslide Incidents in Hong Kong1930 - 1982
Incident No.DateCategoryRainfall on day (mm)Antecedent Rainfall
(mm)Minor IncidentSevere IncidentDisastrous IncidentRED
WarningAMBER WarningRED Warning from July 1983Alternative COld
REDold Amber
17/24/30M147.9392.1147.9
27/25/30M85.8531.385.8
39/16/30M132.5224.9132.5
49/17/30M202.2357.4202.2
59/18/30M36.9559.636.9
67/30/32D107.5391.6107.5
77/31/32M80.248580.2
88/28/32S113.4202.7113.4
98/29/32M30.8315.730.8
106/30/33M34.2249.934.2
116/22/34S230.1202230.1
127/29/34M139.9253.7139.9
138/18/34M118.3266.6118.3
148/19/34M65.3303.865.3
158/2/36M136.5222.8136.5
168/4/36M66324.766
178/17/36M8535285
187/5/37M69.9304.969.9
198/22/37M52239.352
206/7/47M159.4266.3159.4
216/12/48M76.6304.476.6
227/28/48M107.4363.2107.4
236/25/49M164.1242.8164.1
246/26/49M105.7364.5105.7
255/14/51M14.4281.314.4
266/7/51S135.5338.4135.5
276/13/52M155.9130.4155.9
289/14/52S141.2313.8141.2
299/19/53M95.8171.395.8
305/11/55S69.1318.269.1
317/11/55M29.6238.829.6
327/18/55S62.5319.562.5
337/23/55M17.9507.417.9
345/21/57S136.1223.7136.1
355/22/57D246.2359.8246.2
365/25/57M27.8586.327.8
375/29/57M59.9726.659.9
387/18/57M10.1365.110.1
397/26/58M81.8247.181.8
406/13/59S175.5236.9175.5
416/15/59D270.3591.5270.3
428/10/59M16.5444.816.5
435/6/60M41.541.141.5
445/14/60M96.161.296.1
456/8/60M163.165163.1
466/9/60S236.1228.1236.1
473/19/61M90.663.190.6
489/4/61M45340.245
499/10/61M122475.2122
508/16/64S72.7212.872.7
519/11/64M120.2283.2120.2
5210/13/64S246.5185.4246.5
535/11/65M78136.378
549/29/65M6.2231.36.2
556/15/66D382.6406.2382.6
566/13/66M33.7788.933.7
576/15/66M31.4800.731.4
586/13/68S200556.3200
596/19/68M104.1391.5104.1
607/4/68M96.2359.196.2
616/5/69M134.6256.7134.6
625/13/70M265.1127.9265.1
635/26/70M86.5400.486.5
648/3/70M140.992.2140.9
659/10/70M26.8363.626.8
666/7/71M78.464.678.4
678/17/71S288.1229.9288.1
685/10/72M116.2249.6116.2
695/11/72S208.8365.8208.8
706/16/72S205.9141.6205.9
716/17/72D213.8347.5213.8
726/18/72D232.6561.3232.6
736/21/72M0714.20
748/21/72M41.9443.941.9
755/6/73M136.5123.9136.5
767/9/73M67.6294.767.6
777/17/73M172.1371.5172.1
789/2/73M69.8547.369.8
796/23/77M91.991.9
809/6/77M67.3207.367.3
814/12/78M081.60
824/16/78M68.785.468.7
835/18/78M76.8139.476.8
847/27/78M110.5168.7110.5
857/28/78M52.6279.252.6
867/29/78D118.5331118.5
877/30/78M71.5448.971.5
888/27/78M45.862.945.8
899/26/78M61135.261
9010/1/78M56.3238.756.3
9110/2/78M4.3292.44.3
9210/17/78S284.8145.9284.8
934/3/79M62.310262.3
945/13/79M68.381.468.3
955/15/79M69.2166.369.2
966/10/79m36.8112.836.8
976/11/79M113.6149.6113.6
987/1/79M44.8138.844.8
997/30/79M129.332.3129.3
1008/2/79M209261209
1018/11/79M26.1717.526.1
1029/23/79M245.2124.1245.2
1039/25/79M31.6376.831.6
1045/11/81M96.110596.1
1056/5/81M33.314833.3
1069/29/81S128.554.6128.5
1074/23/82M59.97159.9
1084/27/82M36.8180.836.8
1095/7/82M55.9321.655.9
1105/29/82D258.4188.8258.4
1115/31/82S205.5456.9205.5
1126/2/82M22.1663.722.1
1137/3/82M54.3125.254.3
1148/1/82M114.989.9114.9
1158/3/82M204.2207.6204.2
1168/16/82D334.2375.6334.2
1178/18/82M47.6669.947.6
1189/16/82M73.8199.173.8
1192/21/83M4.7158.64.7
1203/2/83S81.4157.281.4
1213/17/83M4.1109.24.1
1223/27/83S98.6197.498.6
1234/5/83M37.1172.737.1
1244/8/83M57.7254.757.7
1255/15/83M90.66690.6
1265/27/83M51.6222.351.6
1276/17/83D346.776.6346.7
0300200225
20010060100
80010060100
0200
150100
800100
0330300
60260240
180180120
32512565
5009540
7008535
8008035
landslide_data
147.9392.1392.1392.1392.1392.1392.1392.1392.1
85.8531.3531.3531.3531.3531.3531.3531.3531.3
132.5224.9224.9224.9224.9224.9224.9224.9224.9
202.2357.4357.4357.4357.4357.4357.4357.4357.4
36.9559.6559.6559.6559.6559.6559.6559.6559.6
391.6391.6107.5391.6391.6391.6391.6391.6391.6
80.2485485485485485485485485
202.7113.4202.7202.7202.7202.7202.7202.7202.7
30.8315.7315.7315.7315.7315.7315.7315.7315.7
34.2249.9249.9249.9249.9249.9249.9249.9249.9
202230.1202202202202202202202
139.9253.7253.7253.7253.7253.7253.7253.7253.7
118.3266.6266.6266.6266.6266.6266.6266.6266.6
65.3303.8303.8303.8303.8303.8303.8303.8303.8
136.5222.8222.8222.8222.8222.8222.8222.8222.8
66324.7324.7324.7324.7324.7324.7324.7324.7
85352352352352352352352352
69.9304.9304.9304.9304.9304.9304.9304.9304.9
52239.3239.3239.3239.3239.3239.3239.3239.3
159.4266.3266.3266.3266.3266.3266.3266.3266.3
76.6304.4304.4304.4304.4304.4304.4304.4304.4
107.4363.2363.2363.2363.2363.2363.2363.2363.2
164.1242.8242.8242.8242.8242.8242.8242.8242.8
105.7364.5364.5364.5364.5364.5364.5364.5364.5
14.4281.3281.3281.3281.3281.3281.3281.3281.3
338.4135.5338.4338.4338.4338.4338.4338.4338.4
155.9130.4130.4130.4130.4130.4130.4130.4130.4
313.8141.2313.8313.8313.8313.8313.8313.8313.8
95.8171.3171.3171.3171.3171.3171.3171.3171.3
318.269.1318.2318.2318.2318.2318.2318.2318.2
29.6238.8238.8238.8238.8238.8238.8238.8238.8
319.562.5319.5319.5319.5319.5319.5319.5319.5
17.9507.4507.4507.4507.4507.4507.4507.4507.4
223.7136.1223.7223.7223.7223.7223.7223.7223.7
359.8359.8246.2359.8359.8359.8359.8359.8359.8
27.8586.3586.3586.3586.3586.3586.3586.3586.3
59.9726.6726.6726.6726.6726.6726.6726.6726.6
10.1365.1365.1365.1365.1365.1365.1365.1365.1
81.8247.1247.1247.1247.1247.1247.1247.1247.1
236.9175.5236.9236.9236.9236.9236.9236.9236.9
591.5591.5270.3591.5591.5591.5591.5591.5591.5
16.5444.8444.8444.8444.8444.8444.8444.8444.8
41.541.141.141.141.141.141.141.141.1
96.161.261.261.261.261.261.261.261.2
163.16565656565656565
228.1236.1228.1228.1228.1228.1228.1228.1228.1
90.663.163.163.163.163.163.163.163.1
45340.2340.2340.2340.2340.2340.2340.2340.2
122475.2475.2475.2475.2475.2475.2475.2475.2
212.872.7212.8212.8212.8212.8212.8212.8212.8
120.2283.2283.2283.2283.2283.2283.2283.2283.2
185.4246.5185.4185.4185.4185.4185.4185.4185.4
78136.3136.3136.3136.3136.3136.3136.3136.3
6.2231.3231.3231.3231.3231.3231.3231.3231.3
406.2406.2382.6406.2406.2406.2406.2406.2406.2
33.7788.9788.9788.9788.9788.9788.9788.9788.9
31.4800.7800.7800.7800.7800.7800.7800.7800.7
556.3200556.3556.3556.3556.3556.3556.3556.3
104.1391.5391.5391.5391.5391.5391.5391.5391.5
96.2359.1359.1359.1359.1359.1359.1359.1359.1
134.6256.7256.7256.7256.7256.7256.7256.7256.7
265.1127.9127.9127.9127.9127.9127.9127.9127.9
86.5400.4400.4400.4400.4400.4400.4400.4400.4
140.992.292.292.292.292.292.292.292.2
26.8363.6363.6363.6363.6363.6363.6363.6363.6
78.464.664.664.664.664.664.664.664.6
229.9288.1229.9229.9229.9229.9229.9229.9229.9
116.2249.6249.6249.6249.6249.6249.6249.6249.6
365.8208.8365.8365.8365.8365.8365.8365.8365.8
141.6205.9141.6141.6141.6141.6141.6141.6141.6
347.5347.5213.8347.5347.5347.5347.5347.5347.5
561.3561.3232.6561.3561.3561.3561.3561.3561.3
0714.2714.2714.2714.2714.2714.2714.2714.2
41.9443.9443.9443.9443.9443.9443.9443.9443.9
136.5123.9123.9123.9123.9123.9123.9123.9123.9
67.6294.7294.7294.7294.7294.7294.7294.7294.7
172.1371.5371.5371.5371.5371.5371.5371.5371.5
69.8547.3547.3547.3547.3547.3547.3547.3547.3
91.9
67.3207.3207.3207.3207.3207.3207.3207.3207.3
081.681.681.681.681.681.681.681.6
68.785.485.485.485.485.485.485.485.4
76.8139.4139.4139.4139.4139.4139.4139.4139.4
110.5168.7168.7168.7168.7168.7168.7168.7168.7
52.6279.2279.2279.2279.2279.2279.2279.2279.2
331331118.5331331331331331331
71.5448.9448.9448.9448.9448.9448.9448.9448.9
45.862.962.962.962.962.962.962.962.9
61135.2135.2135.2135.2135.2135.2135.2135.2
56.3238.7238.7238.7238.7238.7238.7238.7238.7
4.3292.4292.4292.4292.4292.4292.4292.4292.4
145.9284.8145.9145.9145.9145.9145.9145.9145.9
62.3102102102102102102102102
68.381.481.481.481.481.481.481.481.4
69.2166.3166.3166.3166.3166.3166.3166.3166.3
36.8112.8112.8112.8112.8112.8112.8112.8112.8
113.6149.6149.6149.6149.6149.6149.6149.6149.6
44.8138.8138.8138.8138.8138.8138.8138.8138.8
129.332.332.332.332.332.332.332.332.3
209261261261261261261261261
26.1717.5717.5717.5717.5717.5717.5717.5717.5
245.2124.1124.1124.1124.1124.1124.1124.1124.1
31.6376.8376.8376.8376.8376.8376.8376.8376.8
96.1105105105105105105105105
33.3148148148148148148148148
54.6128.554.654.654.654.654.654.654.6
59.97171717171717171
36.8180.8180.8180.8180.8180.8180.8180.8180.8
55.9321.6321.6321.6321.6321.6321.6321.6321.6
188.8188.8258.4188.8188.8188.8188.8188.8188.8
456.9205.5456.9456.9456.9456.9456.9456.9456.9
22.1663.7663.7663.7663.7663.7663.7663.7663.7
54.3125.2125.2125.2125.2125.2125.2125.2125.2
114.989.989.989.989.989.989.989.989.9
204.2207.6207.6207.6207.6207.6207.6207.6207.6
375.6375.6334.2375.6375.6375.6375.6375.6375.6
47.6669.9669.9669.9669.9669.9669.9669.9669.9
73.8199.1199.1199.1199.1199.1199.1199.1199.1
4.7158.6158.6158.6158.6158.6158.6158.6158.6
157.281.4157.2157.2157.2157.2157.2157.2157.2
4.1109.2109.2109.2109.2109.2109.2109.2109.2
197.498.6197.4197.4197.4197.4197.4197.4197.4
37.1172.7172.7172.7172.7172.7172.7172.7172.7
57.7254.7254.7254.7254.7254.7254.7254.7254.7
90.66666666666666666
51.6222.3222.3222.3222.3222.3222.3222.3222.3
76.676.6346.776.676.676.676.676.676.6
0300200225000
20010060100200200200
80010060100800800800
000020000
150150150150100150150
800800800800100800800
00000330300
6060606060260240
180180180180180180120
12565
9540
8535
8035
Minor Incident
Severe Incident
Disastrous Incident
RED Warning
AMBER Warning
RED Warning from July 1983
Alternative C
Old RED
old Amber
landslide_data (2)
392.1392.1
531.3531.3
224.9224.9
357.4357.4
559.6559.6
391.6391.6
485485
202.7202.7
315.7315.7
249.9249.9
202202
253.7253.7
266.6266.6
303.8303.8
222.8222.8
324.7324.7
352352
304.9304.9
239.3239.3
266.3266.3
304.4304.4
363.2363.2
242.8242.8
364.5364.5
281.3281.3
338.4338.4
130.4130.4
313.8313.8
171.3171.3
318.2318.2
238.8238.8
319.5319.5
507.4507.4
223.7223.7
359.8359.8
586.3586.3
726.6726.6
365.1365.1
247.1247.1
236.9236.9
591.5591.5
444.8444.8
41.141.1
61.261.2
6565
22