Blowing dust: Difference between revisions

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[[dust|Dust]] picked up locally from the surface of the earth and blown about in clouds or  sheets.<br/> It is classed as a [[lithometeor]] and is encoded BLDU as an [[obstruction to vision]] in an [[aviation weather observation|aviation  weather observation]] ([[METAR]]). (Encoded as BD in SAO observation format.) Blowing dust may  completely obscure the sky; in its extreme form it is called a [[duststorm]]. A layer of [[stable air]] aloft  tends to stop the vertical [[transport]] of dust by [[eddies]]. There is then a sharply defined upper limit  to the dust layer.
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== blowing dust ==
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<div class="definition"><div class="short_definition">[[Dust]] picked up locally from the surface of the earth and blown about in clouds or  sheets.</div><br/> <div class="paragraph">It is classed as a [[lithometeor]] and is encoded BLDU as an [[obstruction to vision]] in an [[aviation  weather observation]] ([[METAR]]). (Encoded as BD in SAO observation format.) Blowing dust may  completely obscure the sky; in its extreme form it is called a [[duststorm]]. A layer of [[stable air]] aloft  tends to stop the vertical [[transport]] of dust by [[eddies]]. There is then a sharply defined upper limit  to the dust layer.</div><br/> </div>
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Latest revision as of 12:35, 26 March 2024

Dust picked up locally from the surface of the earth and blown about in clouds or sheets.
It is classed as a lithometeor and is encoded BLDU as an obstruction to vision in an aviation weather observation (METAR). (Encoded as BD in SAO observation format.) Blowing dust may completely obscure the sky; in its extreme form it is called a duststorm. A layer of stable air aloft tends to stop the vertical transport of dust by eddies. There is then a sharply defined upper limit to the dust layer.

Dust picked up locally from the surface of the earth and blown about in clouds or sheets.
It is classed as a lithometeor and is encoded BLDU as an obstruction to vision in an aviation weather observation (METAR). (Encoded as BD in SAO observation format.) Blowing dust may completely obscure the sky; in its extreme form it is called a duststorm. A layer of stable air aloft tends to stop the vertical transport of dust by eddies. There is then a sharply defined upper limit to the dust layer.

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