Atlantic Multi-decadal Oscillation and Drought in Africa

The most important natural factor behind drought in the Sahel seems to be a cyclical shifting of ocean temperatures in the North Atlantic.

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NASA Earth Observatory images by Joshua Stevens, using precipitation data from the African Flood and Drought Monitor and Atlantic Multidecal Oscillation data from NOAA. Caption by Adam Voiland.

Published September 6, 2016
Data acquired 2015

Sources:

GPM

Model