Satellite Flood Waters Extent and Evolution over Khersonska Oblast in Ukraine as of 13 June 2023

**UNOSAT code FL20230606UKR** This map illustrates satellite-detected surface waters over Khersonska Oblast, Ukraine observed from a Sentinel-3 image acquired on 6 June 2023 at 08:30 UTC; and a Sentinel-2 image acquired on 3 & 5 June 2023. Within the analysed area of 19,000 km², about 120 km² of land appear to be flooded. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to United Nations Satellite Centre (UNOSAT).

**UNOSAT code FL20230606UKR** This map illustrates satellite-detected surface waters evolution using Sentinel-1 images acquired on the 09th of June 2023 at 15:36 UTC and compared with surface waters extracted using ICEYE acquired on the 07th of June 2023 compared with a pre-flood water extracted using a Sentinel-2 images acquired on the 03rd and the 05th of June 2023. Within the analysed area of 500 km², surface waters appear to have receded by about 14 km². This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to the United Nations Satellite Centre (UNOSAT).

**UNOSAT code FL20230606UKR** This map illustrates satellite-detected surface waters over Khersonska Oblast, Ukraine derived from the MODIS Near Real-Time Global Flood Product using data acquired on 7 June 2023 12:43 UTC; and a Sentinel-2 image acquired on 3 & 5 June 2023 to assess pre-flood conditions. Within the area downstream of the damaged dam about 288 km² of land appear to be flooded. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to United Nations Satellite Centre (UNOSAT).

**UNOSAT code FL20230606UKR** This map illustrates satellite-detected surface waters using Sentinel-1 images acquired on the 09th of June 2023 at 15:36 UTC. Within the analysed area of 20,000 km², surface waters appear to have receded of about 220 km². This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to the United Nations Satellite Centre (UNOSAT).

**UNOSAT code FL20230606UKR** This map illustrates satellite-detected water using Sentinel-2 image acquired on the 15th of July 2023 and compared with the water extent between the 03rd and the 05th of July 2023 after the Nova Kakhovka dam wall break of the 06th of June 2023. Within the analysed area of 25,000 km², surface waters appear to have receded by about 100 km² in cloud free zone since the 5th of July 2023. No major changes observed in water level of the cooling pond of the Zaporizhia nuclear power plant as of 15 July 2023 compared to 5 July 2023. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to the United Nations Satellite Centre (UNOSAT).

**UNOSAT code FL20230606UKR** This map illustrates cumulative satellite-detected water using ICEYE images and Sentinel-3 images acquired between the 06th and the 09th of June 2023. Within the analysed area of 19,000 km², about 620 km² of land appear to be flooded. Based on Worldpop population data from 2020 and the flood water extent, ~110,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to the United Nations Satellite Centre (UNOSAT). Important note: Population data used for this estimate is from 2020. Current population count is not available.