1°E 2°E 3°E Agazragane 4°E 5°E 6°E 7°E 16°N 16°N Tchin-Tabaradene Ingall Tamalate Aderbissinat NIGER Anuzagren Tchintabaraden DOSSO, NIAMEY, TAHOUA, AND TILLABERI REGIONS In Chinnana Tillia Agadez Abalak IMAGERY ANALYSIS: BETWEEN 03&07/09/2021 PUBLISHED 09/09/2021Andéramboukane V1. Abalak FLOODS FL20210908NER Tessit ANALYZED OBSERVED FLOODS POPULATION AREAOuattagouna IN CLOUD FREE ZONES POTENTIALLY EXPOSED Takanamat Amaloul Wakou Bermo Banibangou Guidis Tahoua 230,000km2 310km2 Bani Bangou45,000 15°N 15°N Abala Ville de Ayerou Tahoua Sanam Tahoua Tahoua Yatakala Tahoua Kalfou Zangarata Airport Wanzerbe Dabagui Keïta Ayorou Koukakamé Mousa Mangaizé Keita Tegueye Bagaroua Laba Bankilaré Daré Salam Bankilaré Badégichéri Bouza Dakoro Ouallam Illéla Tillabéri NIGER Bouza Ouallam Kougouptché Filingué Dakoro Mayahi Doungourou Tillabéri Airport Ouallam Zama Bagaroua Illéla Satellite detected water Fonéko Tillabéri Filingué Maradi Toulou extents between 3rd & 7th Téra Simiri Arzérori of September 2021 Komabangou Malbaza Nakoni Madaoua Kornaka Balisa in Dosso, Niamey, Tahoua Téra Guidan Ider Galmi Téra Airport Gothèye Malbaza Madaouaand Tillaberi regions of Niger 14°N 14°N Dogondoutchi Doguéraoua Sabon Machi Sansané Birni N'Konni Tsernaoua Dargol Gothèye Haoussa This map illustrates the extent of Tchito Bazaga Birni N'Konni surface waters (cumulative) in Dosso, Balleyara Matankari Gada Guidan Koron Gomey Niamey, Tahoua andGuidan Tillaberi regions of Balleyara Bangui Karma Goubey Niger as detectedRoumdji byRoumdji VIIRS-NOAA Loga Dogondoutchi Kollo Loga satellite between the 3rd & the 7th of Niamey Dogondoutchi Tibiri Airport September 2021. Within the analyzedMaradi Niamey Sebba Airport Diori Hamani cloud free zones of about 230,000Kangon km2,Toulou Sebba International Airport Goronyo Safo Ville de Yéni a total of about 310 km2 of landsSafo Liboré Baboussay Tangaza appear to be flooded. BasedNasserawa on Niamey Dantiandou Bangario Zou Kollo Gwadabawa Salame Madarounfa Korémaïroua Wurno Worldpop population data and the detected surface waters, about 45,000 Kware Isa Madarounfa Kobadié people are potentially exposed or living DossoBoureïmi close to flooded areas. The potentially Torodi Say Birni Tibiri N'Gaouré exposed population is mainly located in Boboye Dosso Silame Tibiri the region of Dosso with ~26,700Gurbin Baure Population Flood Extent Douméga 13°N 13°N Potentially Dosso people, Tillabéri with ~10,900 people Analyzed area between 3 &7 Population in Region/ Department Exposed to Floods (km2) Sep 2021 AOI Guéchémé between 3 &7 Sep Lido and Tahoua with ~6,600 people. (km2) 2021 Dosso 12,940 123 1,108,620 25,650 Dosso 8,931 34 628,800 3,890 This is a preliminary analysis and has Falmey 1,541 4 131,170 230 Say not yet been validated in the field. Gaya 2,468 85 348,650 21,530 Niamey 557 1 1,249,970 1,930 Please send ground feedback to United Ville de Niamey 557 1 1,249,970 1,930 Tahoua 68,390 40 3,464,840 6,530 Falmey Dioundiou Nations Satellite Centre (UNOSAT). Abalak 13,986 3 606,080 820 Kaingiwa Kantchari Bagaroua 3,061 12 100,170 640 Zauro Birni N'Konni 3,166 3 454,470 450 Airport Dioundiou NIGERIA Birnin Kebbi Keita 3,588 <1 461,520 140 Legend Madaoua 4,503 4 813,080 3,370 Kantchari Tahoua 11,476 6 661,230 730 Airport Tchintabaraden 10,985 9 297,150 350 Kalgo Tillia 17,625 3 71,140 30 City/Town Tillabéri 89,164 147 3,577,320 10,920 Abala 12,383 <1 183,010 30 Koulou Gaya Primary road Ayerou 3,037 10 98,380 1,090 Kompa Banibangou 6,443 6 96,740 230 River Bankilaré 1,434 2 61,180 120 Diapaga Bogo-Bogo Bunza Filingué 10,460 16 387,180 220 Airport Karimama International boundary Gothèye 4,093 <1 335,460 80 Region boundary Kollo 9,107 5 695,990 1,460 Birni-Lafia 12°N 12°N Ouallam 14,441 18 400,160 580 Department boundary Say 6,390 16 223,560 580 Gaya Airport Téra 9,375 53 568,460 4,780 Malanville GayaKamba Cloud mask Sabon Birni Tillabéri 5,133 16 270,460 1,550 Tomboutou Torodi 6,868 3 256,740 200 Garou Reference water Guéné Total 171,051 311 9,400,750 45,030 Madécali Satellite detected water [3-7 Sep 2021] BENIN Lollo Spatial Reference Satellite Data: VIIRS-NOAA Administrative boundaries: IGNN (as of 2006) and OCHA/ROWCAIllo (2014/ 2015) Analysis: United Nations Satellite Centre (UNOSAT) Name: WGS 1984 UTM Zone 31N Imagery Dates: between 3-7 Sep 2021 Population data: WorldPop [2020] Production: United Nations Satellite Centre (UNOSAT) Founougo Map scale for A3: 1:1,800,000 PCS: WGS 1984 UTM Zone 31N Resolution: 375 m Reference Water: JRC 0 12.5 25 50KM GCS: GCS WGS 1984 Copyright: NOAA/Suomi NPP Populated place: OpenStreetMap Datum: WGS 1984 Source: NOAA Kokey Road data: OpenStreetMap ¯ Waterways: OpenStreetMap Gomparou Sompérekou Angaradébou 1°E 2°E Background: ALOS3°E Global DSM 4°E 5°E 6°E 7°E United Nations Satellite Centre (UNOSAT)-7 bis Avenue de la Paix, CH-1202 Geneva 2, Switzerland - T: +41 22 917 4720 (UNOSAT Operations) - Hotline 24/7 : +41 75 411 4998 - [email protected] -.