November 27, 2022 - Dust Storm in Chad
Dust Storm
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Strong winds were blowing streamers of dust from the Bodele Depression
almost every day in November 2022. The Moderate Resolution Imaging
Spectroradiometer (MODIS) on board NASA’s Terra satellite acquired a
true-color image of Chad on November 25 when thick bands of
light-colored dust were rising from the Depression and blowing towards
the southwest.
Winds frequently from northeast to southwest across parts of northern
Africa, especially during the Northern Hemisphere autumn and winter. In
Chad, such winds are concentrated as they blow through a gap between
two mountain ranges in the northern section of the country. This wind
then crosses the Bodele Depression, the site of a massive dried-up
ancient lake in Chad, where they pick up light-colored dust from the
bed of the nearly-extinct lake. In the lower right section of the image
(southeast) a bit of green marks the northern edge of Lake Chad, the
modern small remnant of the ancient lake.
Image Facts
Satellite: Terra
Date Acquired: 11/25/2022
Resolutions: 1km (285.1 KB), 500m (703.5 KB), 250m (317.8
KB)
Bands Used: 1,4,3
Image Credit: MODIS Land Rapid Response Team, NASA GSFC
https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2022-11-27
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