Dry Dust-Carrying Wind in West Africa

Puzzle 3 of Great Explorations Hard Pack

Question is: Dry Dust-Carrying Wind in West Africa

and the answer is: HARMATTAN

Word Meaning:

HARMATTAN — A dry and dusty wind which blows from the Sahara over the Atlantic coast of West Africa in December, January and February, being a hot wind in some areas and a cold wind in others.

Definitions from Wiktionary.