Haboob of Eastern Washington, almost always leading to an impact with the city of Spokane. If the storms are strong enough, they can reach as far east as Post Falls and Moscow, in North Idaho. Global dust storms on Mars have been compared to haboobs on Earth. Haboob A haboob () is a type of intense dust storm carried on an atmospheric gravity current, also known as a weather front. Haboobs occur regularly in dry land area regions throughout the world. During thunderstorm formation, winds move in a direction opposite to the storm's travel, and they move from all directions into
Desert castles Desert castles The Umayyad desert castles, of which the desert castles of Jordan represent a prominent part, are fortified palaces or castles in what was the then Umayyad province of Bilad ash-Sham. Most Umayyad "desert castles" are scattered over the semi-arid regions of north-eastern Jordan, with several more in Syria, Israel and the West Bank (Palestine). The Umayyads erected a number of characteristic palaces, known in Arabic as "qusur" (pl.)/"qasr" (sing.), some in the cities, but mostly in the semi-arid regions, and some along important trading routes. The castles were built roughly between 660 and 750, under the caliphs of