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
Model Flood Early Warning System on River Nzoia-Kenya
Daniel W. [email protected]
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
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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
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