Tropical cyclone Eloise in Mozambique (2021-02-10)

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Activation date: 2021-02-10 <br>
Event type: Storm <br>
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Activation reason: <br>
The CEMS Risk and Recovery Standard has been activated to support emergency operations or recovery after a major natural disaster such as flooding or tropical cyclones in Mozambique. To this scope, it has been requested to assess the effects of the Eloise Tropical cyclone that hit Mozambique starting from the second part of January 2021. Two areas of interest (AOIs) in Mozambique have been analysed. The AOIs are focused on the Pungwe River, in particular on its mouth where is present also the important coastal city of Beira. The AOIs have been hit by 25 centimetres of rain in 24 hours added to a strong wind (160 km/h) and storm surge (1.5 m on average).Proposed solution and resultsWith the aim of the flooded zone extraction on both AOIs, the flood delineation (P04) products were provided using a RADARSAT-2 image acquired on the 22nd January 2021, and from two Sentinel-1 images acquired on 25th and 26th of January 2021. The water depth range has been estimated between 0 and 3 m (1m on average). Figure 1 shows for AOI01 and AOI02 the flooding extracted by P04 products on 22.02.2021 (Figure 1 top left-top right), 25.02.2021 (Figure 1 middle left-middle right) and finally 26.02.2021 (Figure 1 bottom left-bottom right). Figure 1 Flooding provided by P04 Flood delineation caused by tropical cyclone Eloise event  <br>
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