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Possible 3/20-3/21 Coastal Storm


Zelocita Weather

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As we get closer, and the details of the surface low are hammered in more, I fully expect the precip shield to expand quite a bit since the 13km ECMWF has had some noticeable problems during its beta phase with condensing precip when its in the form of convection/in the presence of a rapidly deepening surface low. Have to look at 300mb divergence maps and 100-700mb RH maps later tomorrow to determine just how far west things will actually come. 


 


For example, the 18z JMA has a pretty expansive, developing precip shield down south when compared to the NAM/GFS


 


76f09d35e01290ae8428ceaab6af61fd.gif

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GFS was west so it wasnt bad. GGEM didnt know what it was doing. It showed 2 lows and tried to go back west.

As long as the ECMWF and the EPS hold serve, I'll go with them for now. Also, the GEFS and GEPS are important to see the spread at this timeframe. The GFS OP could be at the eastern end of its ensemble mean.
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