AÆ Flood Garsen Town / Garsen Sub County / Imagery analysis:4 May 2018 | Published 10 May 2018 | Version 1.0 FL20180504KEN

¥¦¬Juba 39°30'0"E 39°40'0"E 39°50'0"E 40°0'0"E 40°10'0"E 40°20'0"E 40°30'0"E 40°40'0"E 40°50'0"E 41°0'0"E Sailoni

S Ziwa Shalu S " A "

0 Jipe 0 I ' ' 0 L East 0 1 1

° A Kulesa Hindi ° A 2 Sarbuye Simandaro 2 M Ziwa Gambi Mashundwani D O ¥¦¬ Wema Safarisi Bora Imani N S Mogadishu Pandanguo Kimari Maganga Kililana A Wama Kampala Hidiyo Mbwara Maganga G ¥¦¬ Hewani U K E N YA Dumi Garsen Egge Ziwa Kiboko Masanga Kibirikani Nairobi Amu Tulu Koreni Lamu Map location Matondoni Kikomani ¥¦¬ Idsowe Milinga Ziwa Kambe ¥¦¬ Nkunumbi ShellaShela Milinga Lamu West KibirikaniKipungani MkonumbiaNdambwe Ndhambwe S S

" Minjila

Nyangoro " 0 0 ' '

0 Maziwa Matatu 0 2 Kibusu 2 °

Kisibu ° 2 Mapenya 2 Pangani Witu Momba Sasa ¥¦¬ Ngao Ngau Mission

Dida Waredi Satellite detected water over Garsen Mwanathumba Mandeni

Golbanti MissionGolbanti Sub County, Tana River County Odd Borobini Tana River Furaka Kau S

This map illustrates satellite-detected flood water S " " 0

Fitina 0 ' Kiko KoniOzi ' 0 Nduru Samicha 0 3 extent over Garsen, Magarini, and Lamu Chathuru 3 ° Ariti °

2 Samikaro Anasa Maongo 2 Kalota West Sub Counties, Kenya. The analysis was Saidibabo Kipini conducted analyzing Sentinel-1 image acquired on the 4 May 2018. Within the extent of the map more than 25,000 ha of land appear to be

inundated and around 20,000 people are living Karawa

inside this flood water extent. Within the map S S " " 0 0 ' ' 0 0

extent, around 13,000 ha of inundated land are 4 4 °

Kowa Gulecha ° 2 located inside Garsen sub county, potentially 2 affecting 5,000 people. It is likely that flood waters have been systematically underestimated Kamale Ushingo along highly vegetated areas along main river Waressa

banks and within built-up urban areas because of Mulunguni Bukatwavi

the special characteristics of the satellite data S S " " 0 0 ' ' 0 0

used. This is a preliminary analysis and has not 5

Haluabagalla 5 ° Adu °

2 Hadu 2 Dzitsuhe INDIAN OCEAN yet been validated in the field. Please send Magarini Bibitoli ground feedback to UNITAR UNOSAT. Ramada Fundisa Ramada

Mbonea Legend Buji Albati Kazakini Mizijini

Settlement ManyesoMuritu Mkondo wa Simiti S

Kalaluwe S " " 0 0 ' Kabiboni Ngomeni ' 0 0

° Dakatcha

Primary road °

3 Shauri Moyo 3 Marafa Magarini Gongoni Secondary road

Shakadulo Kaembekaesha Reference water Kiembekesha Marikebuni County Sub County Inundated area (ha) Potentially affected population Satellite detected water as of 4 May 2018 Mwambiri Baricho Garashi Magarini 4,736 5,061 Kilifi Sub county boundary Galana River Mukunguni Mbuyuni Mbaoni Malindi 1,972 3,972 S S " Kakoneni " 0 0 International boundary ' '

0 Sinoia 0 1 Jilore Suore Lamu Lamu West 4,686 3,267 1 ° Jilore ° 3 Malindi Dagamra Madunguni 3 Map Scale for A3: 1:550,000 KikuyuniMere Tana River Garsen 12,898 4,933 Ganda Malindi Km Ganze I! 0 2.5 5 10 15 20 25 39°30'0"E 39°40'0"E 39°50'0"E 40°0'0"E 40°10'0"E 40°20'0"E 40°30'0"E 40°40'0"E 40°50'0"E 41°0'0"E

Analysis conducted with ArcGIS v10.4.1 Satellite Data: Sentinel-1 Roads: Open Street Map Analysis : UNITAR - UNOSAT The depiction and use of boundaries, geographic names and related data shown here are not warranted to be error-free nor do they imply Imagery Date: 4 May 2018 Settlements: Data Exchange Platform for the Horn Africa Production: UNITAR - UNOSAT official endorsement or acceptance by the United Nations. UNOSAT is a program of the United Nations Institute for Training and Research Coordinate System: WGS 1984 UTM Zone 37N Resolution: 10 m (DEPHA) & OCHA ROSEA (UNITAR), providing satellite imagery and related geographic information, research and analysis to UN humanitarian & development Projection: Transverse Mercator Copyright: ESA Administrative boundaries: Independent Electoral and Boundaries agencies & their implementing partners. This work by UNITAR-UNOSAT is licensed under a CC BY-NC 3.0. Datum: WGS 1984 Source: ESA Commission (IEBC) & OCHA ROSEA Units: Meter Reference water: EC JRC/Google Population: WorldPop 2015 UNITAR - UNOSAT - Palais des Nations CH-1211 Geneva 10, Switzerland - T: +41 22 767 4020 (UNOSAT Operations) - Hotline 24/7: +41 75 411 4998 - [email protected] - www.unitar.org/unosat