Dust storm over the Arabian Sea

Mid-January marked a big dust storm that swept the South-West Asia, spread to the Arabian Sea, and therefore unnoticed even from space. Strong wind, typical for this time, lifted into the atmosphere tons of dusty sand slurry, which overshadowed the sky and the air quality has deteriorated.

The cause of the dust storm was the separation of the Asian anticyclone into two nuclei. Remained the main center of Mongolia, with a slight shift to the southeast, and the second, only slightly less powerful arose over Iran.
Weather map for 06:00 GMT January 16, 2013 © Gismeteo
It was he who created the large gradients of atmospheric pressure between the cold continent and warm Arabian Sea. In an effort to compensate for this difference, the cold continental air at high speed rushed to the south, raising the deserts of Iran, Afghanistan, Pakistan and dust storms.
Satellite "Terra", 06:30 GMT on January 12, 2013 © MODIS | NASA
This area is part of a vast subtropical wilderness stretching from the Sahara to Mongolia, where there is up to 70% of all dust storms on the planet. Former sand seas and dry river beds and lakes are fertile ground for their occurrence.

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