Preliminary satellite derived flood assessment in Niamey, Maradi & Agadez Regions, Niger Production Date: 09 Sep 2019 Areas of Interest (AOIs) AOI 3 NIGER Agadez Agadaz Tahoua Diffa Zinder Tillaberi Maradi Doso AOI 1 AOI 2 Niamey Maradi 2 AOI 1 : Niamey Region, Niger Sentinel-2 false color composite Pre-flood situation acquired on 17 AugIGERNIGER 2019 NIGER SUDAN Airport 3 km 3 Source: EO-browser sentinel-hub AOI 1 : Niamey Region, Niger Sentinel-2 false color composite acquired on 06 Sep 2019 NIGER NIGER SUDAN flooded areas close to urban zone Goroual Airport Inundated agricultural fields in the vicinity of urban areas Wet area in Agricultural zone Flooded areas close to urban zone and several agricultural fields along the river seem to be flooded 3 km 4 Source: EO-browser sentinel-hub AOI 2 : Maradi Region, Niger Sentinel-2 false color composite Sentinel-2 false color composite acquired on 31 Aug 2019 acquired on 05 Sep 2019 1 km 1 km Zone with receded waters north of Maradi The Airport The Airport NIGER Agricultural areas Receding waters in Maradi area between 31 Aug 2019 and 05 Sep 2019 5 Source: EO-browser sentinel-hub AOI 2 : Maradi Region, Niger Sentinel-1 Radar Image acquired on 05 Sep 2019 No fluvial overbank flow observed NIGER SUDAN 1 km 6 Source: EO-browser sentinel-hub AOI 3 : Agadez Region, Niger GeoEye-1 acquired on 04 Aug 2019 Worldview-3 acquired on 04 Sep 2019 3 km 3 km Agricultural Agricultural areas areas Agadez Agadez Airport Airport NIGER Situation assessment in Agadez as of 04 Sep 2019 7 Copyright ©: 2019 DigitalGlobe Source: US Department of State – HIU – NextView License AOI 3 : Agadez Region, Niger Worldview-3 acquired on 04 Sep 2019: Post-flood situation Waters have receded from several zones of Agadez (e.g. Agadez hospital) as of 04 September 2019 NIGER Standing waters in the vicinity of Agadez hospital 20 m 8 Copyright ©: 2019 DigitalGlobe Source: US Department of State – HIU – NextView License AOI 3 : Agadez Region, Niger Worldview-3 VNIR Pan sharpened natural color acquired on 04 Sep 2019: Post-flood situation NIGER Standing waters in the vicinity of runway Airport appears to be operational as of 04 Sep 2019 500 m 9 Copyright ©: 2019 DigitalGlobe Source: US Department of State – HIU – NextView License AOI 3 : Agadez Region, Niger Worldview-3 VNIR Pan sharpened natural color acquired on 04 Sep 2019: Post-flood situation NIGER Standing waters in the vicinity of Agadez airport Waters have receded from several zones around the runway as of 04 September 2019 100 m 10 Copyright ©: 2019 DigitalGlobe Source: US Department of State – HIU – NextView License AOI 3 : Agadez Region, Niger Worldview-3 VNIR Pan sharpened natural color acquired on 04 Sep 2019: Post-flood situation Teloua river NIGER Agricultural fields north of Agadez along the Teloua river were unaffected on 04 September 2019 100 m 11 Copyright ©: 2019 DigitalGlobe Source: US Department of State – HIU – NextView License Summary of findings Niamey – Several inundated areas affecting agricultural fields and that were observed very close to urban zones seem to be under the threat of floods along the Niger; Maradi Region – The most recent image on from September shows that waters receeded compared with the situation observed on 31 Aug 2019; Agadez Region – Waters have receded from several zones of Agadez city and no critical facilities appear to be still affected. However, there are still standing waters within the city and its surroundings as of 04 September 2019. 12 @UNOSAT @UNITAR.unosat United Nations Institute for Training and Research UNITAR International Environment House Institut des Nations Unies pour la Formation et la Recherche Chemin des Anémones 11-13, Instituto de las Naciones Unidas para Formación Profesional e Investigaciones CH-1219 Châtelaine, Учебньıй и научно-исследовательский институт Geneva - Switzerland Организации Объединенньıх Наций T +41 22 917 8400 F +41 22 917 8047 معهد اﻷمم المتحدة للتدريب والبحث www.unitar.org 联合国训练研究所 This presentation should not be copied or disseminated in any manner without the express permission of UNOSAT. .