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ACUS03 KWNS 120805

SWODY3

SPC AC 120804



Day 3 Convective Outlook  

NWS Storm Prediction Center Norman OK

0204 AM CST Mon Dec 12 2016



Valid 141200Z - 151200Z



...NO SEVERE THUNDERSTORM AREAS FORECAST...



...SUMMARY...

Showers -- and possibly a few thunderstorms -- are expected over

portions of the Southeast centered on southern GA and northern parts

of FL including the Panhandle.



...SYNOPSIS...

Some amplification of the upper flow field over the U.S. is expected

Wednesday, as the polar vortex shifts east-southeast across the

James Bay vicinity, and a second area of troughing over the eastern

Pacific begins swinging southeastward toward the west coast.  In

between, ridging is forecast to evolve across the intermountain

West.



At the surface, high pressure will prevail over the eastern states,

as a cold front at the leading edge of polar air drifts slowly

southward across southern GA/northern FL.  In the West, a low

pressure system associated with the aforementioned eastern Pacific

upper trough should approach the coast late in the period.



...PORTIONS OF THE SOUTHEAST...

Weak instability near the slowly sagging surface front will support

potential for showers and perhaps a few thunderstorms across

northern FL/southern GA and vicinity Wednesday.  Minimal CAPE

expected across the area suggests that convection will remain

weak/disorganized.



..Goss.. 12/12/2016



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