The Impact of the 2009 Hurricane Season on Trinidad and Tobago By Emmanuel Moolchan Director Trinidad and Tobago Meteorological Service.

The Impact of the 2009 The Impact of the 2009 Hurricane Season on Trinidad Hurricane Season on Trinidad and Tobagoand Tobago

By By Emmanuel Moolchan Emmanuel Moolchan

DirectorDirectorTrinidad and TobagoTrinidad and Tobago

Meteorological ServiceMeteorological Service

2009 HURRICANE SEASON2009 HURRICANE SEASON

• NO DIRECT TROPICAL STORM IMPACTNO DIRECT TROPICAL STORM IMPACT

• RAINFALL DEFICIT BAR JULY AND AUGUSTRAINFALL DEFICIT BAR JULY AND AUGUST

• SUBTLE CHANGES IN RAINFALL PATTERN – SUBTLE CHANGES IN RAINFALL PATTERN – FREQUENT FLASH FLOODSFREQUENT FLASH FLOODS

• TORNADO SIGHTINGSTORNADO SIGHTINGS

2009 HURRICANE SEASON2009 HURRICANE SEASON

• June rainfall – 113.3mm (252.1) – 55%June rainfall – 113.3mm (252.1) – 55%

• July rainfall – 324.1mm (266.3) +22%July rainfall – 324.1mm (266.3) +22%

• August rainfall – 336.3mm (250.1) + 34%August rainfall – 336.3mm (250.1) + 34%

• September rainfall – 113.5mm (202.5) -44%September rainfall – 113.5mm (202.5) -44%

• October rainfall – 122.9mm (199.3) – 38%October rainfall – 122.9mm (199.3) – 38%

• November rainfall – 192.7mm (226.7) - 15% November rainfall – 192.7mm (226.7) - 15%

Flooding caused by Active Flooding caused by Active Tropical Wave in August.Tropical Wave in August.

Tornado in TrinidadTornado in Trinidad

Radar imagery (MAX) showing reflectivity in Radar imagery (MAX) showing reflectivity in the 65-70 dbz range at 1:45 pm on 09 the 65-70 dbz range at 1:45 pm on 09 August, 2009.August, 2009.

9 AUGUST 1:45 PM9 AUGUST 1:45 PM

A DIFFERENT ANGLEA DIFFERENT ANGLE

MORE FLOODINGMORE FLOODING

Reports of damage in Reports of damage in TobagoTobago

Effects of the ITCZEffects of the ITCZ

FLASH FLOODING AT UWIFLASH FLOODING AT UWI

2009 IMPACTS IN T&T2009 IMPACTS IN T&T

FLASH FLOODING 10FLASH FLOODING 10thth AugustAugust

•The thunderstorm activity on The thunderstorm activity on 10th August10th August

•56.4km/hr measured gust 56.4km/hr measured gust (downdraft) (downdraft)

•55.6 millimeters rainfall event55.6 millimeters rainfall event

HIGHEST RECORDED TEMP HIGHEST RECORDED TEMP AUGUSTAUGUST

The highest maximum temperature of The highest maximum temperature of 34.7°C occurred on the 19 August, 34.7°C occurred on the 19 August, 2009, 2009,

Secondary maximum in daily Secondary maximum in daily maximum temperature (34.3°C) maximum temperature (34.3°C) occurred on 10 August, 2009occurred on 10 August, 2009

2222ndnd AUGUST AUGUST

•Crown Point Tobago recorded a Crown Point Tobago recorded a gust (downdraft) of 72km/hr and gust (downdraft) of 72km/hr and 11.5 millimeters of rainfall 11.5 millimeters of rainfall

Piarco recorded its second most Piarco recorded its second most vigorous thunderstorm day with vigorous thunderstorm day with gust speeds of 50km/hr and rainfall gust speeds of 50km/hr and rainfall records of 68.4 millimeters.records of 68.4 millimeters.

Satellite Imagery showing Hurricane Bill near Satellite Imagery showing Hurricane Bill near Leewards Islands on 19Leewards Islands on 19thth August 2009. August 2009.

THE END.THE END.

QUESTIONS? QUESTIONS?