The Mediterranean region
is marked by Leveche winds--hot, dry, easterly or southeasterly air
currents
that originate over North Africa. These winds, which sometimes carry
fine
dust, are most common in spring.

We know that wind as the Levante wind. You get used to the dust, but
under certain conditions, the dust causes precipitation and we have
liquid mud falling from the sky. Rather like a plague of Egypt!
Jo