Flooding in Madagascar Caused by Tropical Storm Chedza

Status Report From: NASA HQ
Posted: Thursday, January 22, 2015


tropical disturbance that had already swamped southern Africa with rain strengthened into a tropical storm as it passed over the Mozambique Channel on January 15, 2015. When tropical storm Chedza passed over Madagascar the next day, it brought lashing winds and heavy rains that killed at least 13 people, destroyed or damaged more than 3,000 homes, and displaced 9,500 people.

The Operational Land Imager (OLI) on Landsat 8 captured this image of flooding along the Tsiribihina River on January 20, 2015. For comparison, the left image shows the same area on December 3, 2014. In the right image, brown, sediment-rich floodwater spills across the river delta and into the Mozambique Channel.

Several settlements along the Tsiribihina River—including Belo Tsiribihina and Masoarivo—appear to be at least partially flooded. The same weather system produced widespread flooding in Mozambique and Malawi. For a broader view of flooding on the Tsiribihina River, you can view imagery captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite on the Worldview browser.


IRIN (2015, January 20) In Photos: Southern Africa Floods. Accessed January 20, 2015.

Masters, J. via Weather Underground (2015, January 15) Floods Kill at Least 260 in Malawi, Mozambique, and Madagascar. Accessed January 20, 2015.

Relief Web (2015, January 15) Southern Africa: Floods and Cyclones Update (as of 19 Jan 2015). Accessed January 20, 2015.

Relief Web (2015, January 15) Southern Africa: Floods and Cyclones Update (as of 16 January 2015). Accessed January 20, 2015.

NASA Earth Observatory images by Joshua Stevens, using Landsat data from the U.S. Geological Survey. Caption by Adam Voiland.

Instrument(s):  Landsat 8 - OLI


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