A sharp dust boundary formed in March 2018, after the clash of a dry and dusty Saharan air mass with a moist tropical air mass.
11 March 2022
29 March 2018
By Ivan Smiljanic (SISYS)
A dry, dusty air mass from the Sahara, advected towards the south, confronted a tropical air mass from the outflow of a ITCZ convective system over southern Sudan and Chad.
An irregular frontal line formed in that area around 08:00 UTC on 29 March, defined by local orography.
Along the formed front, dusty air from the north was pushed against the moist air from the south, forming a relatively sharp boundary. This boundary is clearly seen in the high resolution True Color RGB imagery (Figure 1).
Other dust cases
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Saharan dust heading for Europe in Feb 2021; second major dust outbreak of the season.
Dust over the US Central Plains and Gulf of Mexico
Major dust outbreak over the American Central Plains in mid-January 2021.