From Wikipedia, the free encyclopedia
A haboob moves across the
toward , near the residential community of
(18 June 2009)
A haboob (: ??????,  habūb,  'blasting/drifting'?) is a type of intense
carried on an atmospheric , also known as a . Haboobs occur regularly in
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 the thunderstorm. When the storm collapses, and begins to release precipitation, wind directions reverse, gusting outward from the storm and generally gusting the strongest in the direction of the storm's travel. Haboobs can also form when a strong thunderstorm weakens rapidly, and releases a .
When this downdraft of cold air, or , reaches the ground, it blows dry, loose silt and clay (collectively, dust) up from the desert, creating a wall of sediment that precedes the storm cloud. This wall of dust can be up to 100 km (62 mi) wide and several kilometers in elevation. At their strongest, haboob winds often travel at 35–100 km/h (22–62 mph), and they may approach with little or no warning. Often rain does not appear at ground level as it evaporates in the hot, dry air (a phenomenon known as ). The evaporation cools the rushing air even further and accelerates it. Occasionally, when the rain does persist, it can contain a considerable quantity of dust. Severe cases are called mud storms. Eye and respiratory system protection are advisable for anyone who must be outside during a haboob. Moving to shelter is highly advised during a strong event.
Haboobs have been observed in the
(typically , where they were named and described), as well as across the , throughout , and in the most arid regions of . Haboob
in the Arabian Peninsula, Iraq, Kuwait are frequently created by the collapse of a .
African haboobs result from the northward summer shift of the inter-tropical front into , bringing moisture from the .
Haboobs in Australia may be frequently associated with . The deserts of , especially near , are particularly prone to haboobs, with sand and debris reaching several kilometers into the sky and leaving up to 30 centimetres (1 ft) of sand in the haboob's path.
As with haboobs in the Arabian Peninsula, Iraq and Kuwait, haboob occurrences in North America are often created by the collapse of a thunderstorm.
The arid and semiarid regions of —in fact, any dry region—may experience haboobs. In North America, the most common terms for these events are either
or sandstorm. In the U.S., they frequently occur in the deserts of , including around in , in eastern , and in . They also sometimes occur in the , of
, almost always leading to an impact with the city of . If the storms are strong enough, they can reach as far east as the
and the , in the
have been compared to haboobs on Earth.
A haboob closes in on
-era haboob approaching , on 14 April 1935
Haboob blowing into , on 22 August 2003
A massive haboob is close to enveloping , , just before nightfall on 27 April 2005
A haboob approaches , in 2006
Farquharson, J. S. (1937). "Haboobs and instability in the sudan". Quarterly Journal of the Royal Meteorological Society. 63 (271): 393–414. :. :.
Lawson, T. J. (1971). "Haboob Structure at Khartoum". Weather. 26 (3): 105–112. :. :.
Membery, D. A. (1985). "A Gravity-Wave Haboob?". Weather. 40 (7): 214–221. :. :.
Sutton, L. J. (1925). "Haboobs". Quarterly Journal of the Royal Meteorological Society. 51 (213): 25–30. :. :.
Idso, S. B.; Ingram, R. S.; Pritchard, J. M. (1972). "An American Haboob". Bulletin of the American Meteorological Society. 53 (10): 930–935. :. :.
Idso, Carolyn W. (1973). "Haboobs in Arizona". Weather. 28 (4): 154–155. :. :.
Chen, W.; Fryrear, D. W. (2002). "Seedimentary characteristics of a haboob dust storm". Atmospheric Research. 61 (1): 75–85. :. :.
Boyle, R. (2017). Everything About Mars Is The Worst. FiveThirtyEight. Retrieved 9 March 2017, from
Wikimedia Commons has media related to .
: Hidden categories:分享给朋友：通用代码: <input id="link4" type="text" class="form_input form_input_s" value="" />复 制flash地址: 复 制html代码: <input type="text" class="form_input form_input_s" id="link3" value="" />复 制分享视频到站外获取收益&&手机扫码分享视频二维码2小时内有效免费用户怎么在Trafficmonsoon赚钱下载至电脑扫码用手机看用或微信扫码在手机上继续观看二维码2小时内有效免费用户怎么在Trafficmonsoon赚钱扫码用手机继续看用或微信扫码在手机上继续观看二维码2小时内有效，扫码后可分享给好友没有优酷APP？立即下载请根据您的设备选择下载版本
药品服务许可证(京)-经营-请使用者仔细阅读优酷、、Copyright(C)2017 优酷
版权所有不良信息举报电话:}