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Aaron C
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Joined: 11-May 08
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Last Seen: 5th March 2013 - 05:43 PM
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Aaron C



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16 May 2008
I have a fairly detailed question with several parts, listed below.

Do any forecasters use the Upwind Propagation Vector maps alongside the 850 MB Moisture Transport Maps to help them figure out where precipitation (in a general sense) is heading? And what rare phenomenon can occur to actually make these maps deceiving? Is precipitation movement a fairly straightforward topic?

Concerning the 850 MB Moisture Transport maps, do the maroon arrows denote general precipitation speed and movement, based on the jet stream? Finally, do forecasters use a blend of the Moisture Transport map and the Upwind Propagation maps to give them an idea of where this precip is going?

Thanks. I'm making sure all the bases are covered.

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