Top Banner
Model Flood Early Warning System on River Nzoia-Kenya Daniel W. Wepukhulu [email protected] Kenya Meteorological Service (KMS) K E N Y A
8

Model Flood Early Warning System on River Nzoia-Kenya Daniel W. Wepukhulu [email protected] Kenya Meteorological Service (KMS) K E N Y A.

Dec 17, 2015

Download

Documents

Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: Model Flood Early Warning System on River Nzoia-Kenya Daniel W. Wepukhulu dnlwepukhul@yahoo.com Kenya Meteorological Service (KMS) K E N Y A.

Model Flood Early Warning System on River Nzoia-Kenya

Daniel W. [email protected]

Kenya Meteorological Service (KMS)K E N Y A

Page 2: Model Flood Early Warning System on River Nzoia-Kenya Daniel W. Wepukhulu dnlwepukhul@yahoo.com Kenya Meteorological Service (KMS) K E N Y A.
Page 3: Model Flood Early Warning System on River Nzoia-Kenya Daniel W. Wepukhulu dnlwepukhul@yahoo.com Kenya Meteorological Service (KMS) K E N Y A.
Page 4: Model Flood Early Warning System on River Nzoia-Kenya Daniel W. Wepukhulu dnlwepukhul@yahoo.com Kenya Meteorological Service (KMS) K E N Y A.

Mult i purpose Weirs and check dams to check silts from being transferred to the floodplain

Middle catchment design of a large multi purpose dam

Page 5: Model Flood Early Warning System on River Nzoia-Kenya Daniel W. Wepukhulu dnlwepukhul@yahoo.com Kenya Meteorological Service (KMS) K E N Y A.

5

NZOIA BASIN REAL-TIME STATE-OF-THE-ARTMONITORING SYSTEM: NETWORK

HydroMET Automatic Weather Stations (AWSs)

•Flood monitoring equipment•Timely detection of heavy rainfall over the basin

Automatic Radar River Level Stations•Flood monitoring equipment•Early detection of dangerous water levels

Meteorological Satellite Images

•Detection of severe weather

Page 6: Model Flood Early Warning System on River Nzoia-Kenya Daniel W. Wepukhulu dnlwepukhul@yahoo.com Kenya Meteorological Service (KMS) K E N Y A.

CENTRAL BASE STATIONS

FORECAST CHART

FLOOD DIAGNOSTICS AND FORECASTING (WARNING) CENTRE DATA ACQUISITION FLOOD FORECASTING MODEL-GFFS

FLOW FORECASTING MODEL

MODEL INPUTS•Observed Areal Rainfall•Observed Discharge/River Flow•Observed Evapotranspiration•Rainfall Forecast

Use of Colour Codes: Green-No RiskAmber: Medium RiskRED: High Risk

EARLY WARNING BULLETIN

Description Range Colour codes

Remark

Flood Warning level (m)

>5.0 m Above this point flooding can occur

depending on strength of the dykes

Alert levels 4.0 -5.0 m Watch

No risk < 4.0m Safe

DISSEMINATIONEmail listThe OP-Ministry of State for Special ProgrammesNational Disaster Operations Centre (NOC)Red CrossMedical/Health/SchoolsReligious OrgNGOsCounty/District/Community Disaster Management Committees, etc]Radio Broadcasts: RANET Community FM Radio StationInternet website

WELL COORDINATED AND TIMELY RESPONSE PLAN

Page 7: Model Flood Early Warning System on River Nzoia-Kenya Daniel W. Wepukhulu dnlwepukhul@yahoo.com Kenya Meteorological Service (KMS) K E N Y A.
Page 8: Model Flood Early Warning System on River Nzoia-Kenya Daniel W. Wepukhulu dnlwepukhul@yahoo.com Kenya Meteorological Service (KMS) K E N Y A.

THANK YOU Arigato Gozaimasi

Asante Sana!