Re: 412z Vortex - 110kt FL / 113kt Surface - 931mb
Posted by CX
on 9/10/2017, 1:14 am
|Sted, they flag for different reasons. Two common ones are shallow water and rain contamination. The shallow water issue happens sometimes in the Bahamas where the SFMR will overestimate surface winds.|
Rain contamination is the more common one. With this value in particular, the two before it were flagged and corresponded with higher rain rates. This one had a flag and the one after it, although a similar rate, was not. Very weird.
It is also odd that the surface winds would outpace flight level. Surface friction should cause winds closer to the water to be less. I can't account for why that isn't the case here.
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