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25 May 2016

Cyclone Roanu in Bangladesh

Type of Event:Ocean Storm - Cyclone
Location of Event:Bangladesh
Date of Charter Activation:25 May 2016
Time of Charter Activation:07:25:00
Time zone of Charter Activation:UTC+02:00
Charter Requestor:ADRC on behalf of SPARRSO
Project Management:AIT

Cyclone Roanu struck Bangladesh on 21 May, leaving 26 dead and affecting hundreds of thousands of people.

The storm brought heavy rains which caused floods and landslides across the coast of the country in fifteen districts. It also brought a storm surge 2 m in height, which was responsible for most of the deaths when dams overflowed.

Roanu and the resulting floods and landslides tore through wooden homes and buried some villages. It is estimated that as many of 80,000 buildings were damaged and the storm also disrupted power and blocked some roads. In addition to the damage buildings suffered, the storm took a toll on agriculture, sweeping away crops and killing livestock.

Bangladesh often experiences cyclones during its storm season, and half a million people were evacuated to emergency shelters before Roanu arrived. The storm dissipated on 23 May, but it will take time for the affected districts to recover from the damage and tens of thousands of people currently lack clean water and food following the disaster. Bangladesh is receiving relief and international aid to help the victims.



Flooded area in Chittagong City, Bangladesh due to the storm surge

Source: TerraSAR-X / Pleiades
Acquired: Pre-disaster: 04/11/2013
Post-disaster: 28/05/2016
Base image: 26/05/2016

Copyright: TerraSAR-X © DLR e. V. 2016, Distribution: Airbus DS Geo GmbH
Pleiades © CNES 2016 - Distribution: Airbus Defence and Space, all rights reserved
Map produced by Geoinformatics Center, AIT

Flood impact map of Barisal, Bangladesh

Source: Landsat-8 / Sentinel-1
Acquired: Landsat-8: 12/11/2015
Sentinel-1: 29/04/2016 and 23/05/2016

Copyright: Landsat 8 data and products © USGS (2016) - All rights reserved
Sentinel-1: Copernicus Sentinel data 2016
Map produced by AIT

Damage assessment along the Pattenga Sea-Beach, Chittagong City, Bangladesh

Source: WorldView-3
Acquired: Pre-disaster: 29/09/2015
Post-disaster: 27/05/2016

Copyright: DigitalGlobe Inc.
Map produced by AIT

Damage assessment along Chittagong Coast Road, Bangladesh

Source: Pleiades
Acquired: Pre-disaster: 01/03/2016
Post-disaster: 26/05/2016

Copyright: Pleiades © CNES 2016 - Distribution: Airbus Defence and Space, all rights reserved
Map produced by AIT

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