AÆ Flood , Galole & Sub Counties Imagery analysis: 4 May 2018 | Published 11 May 2018 | Version 1.0 FL20180508KEN

39°55'0"E 40°0'0"E 40°5'0"E 40°10'0"E 40°15'0"E E T H I O P I A

Ghalamani Fafi S S " A " 0 Chewani 0 ' '

D A 5 5 2 I Mwogahendi 2 ° ° N 1 1 L

A

A Wacha Koni

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M U Ngwena Fafi O ¥¦¬ S K E N YA

Nairobi Balguda ¥¦¬ GaloleHola Pendeza S S " Laza " 0 0 ' Map location ' 0 Koni 0 3 3 ° ° 1 1

Galole Analysis Extent Mikinduni Dodoma ~ 6,800 ha inundated Chenani ¥¦¬ ~4,300 people potentially affected

Lenda S S " Satellite detected water along " 0 0 ' '

5 Handampia 5 3 3 ° Tana River, Galole & Garsen sub ° 1 1 counties, TanaRiver county, Pumwani Kenya Mkomaniboi This map illustrates satellite-detected flood Galole Mazuni water extent along Tana River, Galole and Garsen sub counties, , S S " " 0 0

Kenya. The analysis was conducted by ' Fanjua ' 0 0 4 4 ° ° 1 analyzing Sentinel-1 imagery acquired on the 1 Majengo 4 May 2018. The analysis extent is focused on the river bed of Tana, the surrounding MassalaniWalu land between the primary road and the limit of the Tana River boundary, specifically Gubani

where the population is concentrated. Within Kanjonja S S " the analysis extent, around 22,700 ha of land " 0 0 ' ' 5 5 4 4 ° appears to be inundated and more than ° 1 1 21,600 people are living inside this flood water extent. It is likely that flood waters Wenje have been systematically underestimated Tana River KivukoniKipendi along highly vegetated areas along main river banks and within built-up urban areas S

because of the special characteristics of the S " " 0 0 ' ' 0 0 5 satellite data used. This is a preliminary 5 ° ° 1 1 analysis and has not yet been validated in Maroni the field. Please send ground feedback to Makere ya Gwano UNITAR UNOSAT.

Legend S Baymo S " " 0 Settlement 0 ' ' 5 5 5 5 ° ° 1 Primary road 1 Secondary road Reference water Kitere Satellite detected water as of 4 May 2018 Mnazinia Sub county boundary Garsen S S " County boundary " 0 0 ' ' 0 0 ° ° 2 Munguvini 2 Garsen Analysis Extent Kinyadu ~ 15,900 ha inundated ~17,300 people potentially affected

Bubesa S S " " 0 0 ' ' 5 5 ° ° 2 Lamu West 2

Lazima

Map Scale for A3: 1:250,000 I! Km 0 1.25 2.5 5 7.5 10 39°55'0"E 40°0'0"E 40°5'0"E 40°10'0"E 40°15'0"E

Analysis conducted with ArcGIS v10.4.1 Satellite Data: Sentinel-1 Roads: Open Street Map Population: WorldPop 2015 The depiction and use of boundaries, geographic names and related data shown here are Imagery Date: 4 May 2018 Settlements: Data Exchange Platform for Analysis : UNITAR - UNOSAT not warranted to be error-free nor do they imply official endorsement or acceptance by the Coordinate System: WGS 1984 UTM Zone 37N Resolution: 10 m the Horn Africa (DEPHA) & OCHA ROSEA Production: UNITAR - UNOSAT United Nations. UNOSAT is a program of the United Nations Institute for Training and Projection: Transverse Mercator Copyright: ESA Administrative boundaries: Independent Research (UNITAR), providing satellite imagery and related geographic information, Datum: WGS 1984 Source: ESA Electoral and Boundaries Commission research and analysis to UN humanitarian & development agencies & their implementing Units: Meter Reference water: EC JRC/Google (IEBC) & OCHA ROSEA partners. This work by UNITAR-UNOSAT is licensed under a CC BY-NC 3.0.

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