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Rain Dust In Nepal

by Deepak Subedi | 17-06-2018 17:40 recommendations 0

Rain dust was seen in yesterday rain in Nepal, what is rain dust and what is its causes ?
Rain dust or snow dust, traditionally known as muddy rainred rain, or colored rain, is a variety of rain (or any other form of precipitation) which contains enough desert dust for the dust to be visible without using a microscope.

Rain dust is common in the Western and Southern Mediterranean, where the dust supply comes from the atmospheric depressions going through the northern part of North Africa. The main sources of desert dust reach the Iberian Peninsula and the Balearic Islands in the form of dust transported by wind or rain from the SaharaAtlas Mountains in Morocco and Central Algeria.
Mud rains are relatively frequent and had been increasing in early 1990s in the Mediterranean Basin.[2]
It also occurs in arid desert regions of North America such as west Texas or Arizona. It occasionally happens in the grasslands as it did in Bexar County, Texas on March 18, 2008.

The rain dust is very alkaline. Some of the large particles contain mixtures of chemicals such as sulfate and sea salt (chiefly with sodium, chlorine and magnesium). Major minerals in order of decreasing abundance are: illitequartzsmectitepalygorskitekaolinitecalcitedolomite and feldspars.[1] In Majorca a study finds that the size, by volume, 89% of the particles from rain dust fraction corresponded to silt (between 0.002 mm and 0.063 mm) and that there was virtually no clay sized particles (less than 0.29%).[3]
Reference : https://en.wikipedia.org/wiki/Rain_dust

muddy rain

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4 Comments

  • Deepak Subedi says :
    yes kiran this is not so good, because of early and muddy rain many people are having trouble but in very hot area like chitwan, bhairahawa, nepalgunj people are feeling good because of rain.
    Posted 18-06-2018 21:31

  • Deepak Subedi says :
    welcome, milan
    i saw you post and also many people talked about this rain and i go through internet and find this.
    Posted 18-06-2018 21:28

  • kiran banstola says :
    This month is june, so rice cultivation is main function of nepalese people. Therefore, most of nepalese people wet by this rain, which is bad for us. Thank you Deepak Subedi for your kind information.
    Posted 18-06-2018 00:14

  • Milan Regmi says :
    I was really striving to find the reason behind rain dust...thanks a lot bro
    Posted 17-06-2018 20:32

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