Dust storms.. Various questions and short answers

طقس العرب GO 2022-05-09 2022-05-09T14:10:11Z
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Dust storms.. Various questions and short answers

Weather of Arabia - This article deals with various information about dust storms in the form of questions and brief answers to them..

What are the conditions for the formation of rising dust or dust storms?

To be rising dust or storms needs conditions

  1. high wind speed;
  2. To pass this wind through a desert area barren and fragile.
  3. The presence of vertical or horizontal thermal differences, for example, a cold air mass advancing towards a hot mass, so the heat rises and the cold falls down, and the speed of dust waves formation depends on the speed of the cold mass.
  4. Downwinds from thunderclouds and these cause the dust wall.

What are the storm seasons in Iraq?

  1. Winter and spring dust storms: resulting from dry frontal air depressions coming from the Mediterranean or the African desert, or resulting from horizontal and vertical thermal differences and surface wind activity.
  2. Summer dust storms: resulting from the Al-Bawareh winds (the dry poison winds), which are active during the day and subside at night due to the seasonal thermal depression of the peninsula, which is fueled by the sun's rays and the Atlantic high and their struggle in our region.

Why do some dust storms spread far and occupy large areas?

The extent of dust spread depends on the following:

  1. wind speed .
  2. The size of the particles , sandstorms have larger particles, so the speed of their spread and their area are less than that of dust, whose particles are small.

How do dust storms maintain their strength despite being far from the source?

The more storms move in dry desert areas with the continuation of cold air in these areas or the winds continue to be active, the more they expand and extend more, and sometimes fade away with the absence of the cause.

Why does dust continue in the air, despite the stillness of the wind?

When the wind is still in one place, the dust particles stop in their place and do not precipitate due to their small size and remain suspended in the air, but in another place we find the continuation of dust agitation and its rush towards these areas of stillness of the wind.

Is dust transcontinental?

Yes, dust crosses continents and oceans as well, as sometimes happens from waves of dust emanating from the African desert and heading north towards Europe, east towards Iraq and the Levant, and west towards the Atlantic and America.

Who are the most important sources of dust globally?

The African desert is considered the largest source of dust globally, followed by the Badia of western Iraq, the Syrian Badia and northern Saudi Arabia.

Can dust storms be prevented locally?

It seems impossible because the dust sometimes comes from other countries, but the encroachment of the desert can be halted by creating buffers and green belts.

Written by: Sadiq Attieh

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This article was written originally in Arabic and is translated using a 3rd party automated service. ArabiaWeather is not responsible for any grammatical errors whatsoever.

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