Greater Horn of Africa Flood Report

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2Period

Period Cycle

Year

Month

Forecast Week

5-day analysis window from the selected forecast issue date.

Period Cycle

Month

Year

Season

Year

📅 Analysis Date Range

End Date (now)

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Start Date

1Area

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Country

Admin Level 1

Admin Level 2

Select a country and drill down to a specific admin boundary.

WHCA Country

Admin Level 1

Select a WHCA country and drill down to admin level 1.

Basin

Sub-Basin

Select a hydro basin and optionally drill down to a sub-basin.

Cluster or project

Country

Admin Level 1

Admin Level 2

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3Featured artifacts

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Flood Exposure Statistics Rainfall Forecast Rainfall Exceedance Source charts Safety guidance

Estimated population and agricultural land falling inside modelled riverine flood extents across the Greater Horn of Africa, for the 20-, 50- and 100-year return periods. Higher return periods describe rarer but more severe floods, so exposure rises as the flood footprint grows.

Population Exposed by Return Period

Cropland & Rangeland in Flood Zones

Population Exposed by Country & Return Period

Cropland & Rangeland Exposed by Country (10-year)

Greater Horn of Africa Flood Report

Flood Exposure Analysis

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