Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Dec 17 2022 17:04:08

ACUS02 KWNS 171704
SWODY2
SPC AC 171702

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1102 AM CST Sat Dec 17 2022

Valid 181200Z - 191200Z

....NO SEVERE THUNDERSTORM AREAS FORECAST...

....SUMMARY...
A few weak thunderstorms are possible Sunday night across parts of
southern and southeastern Texas. Severe storms are unlikely.

....Synopsis...
A cool and stable pattern will persist for most of the CONUS on
Sunday due to high pressure over the central and eastern states.
However, a shortwave trough will move from the Southwest into the
southern Plains, and will induce low-level moisture return across
the western Gulf of Mexico. While the surface air mass over land
will remain stable, increasing southerly winds near 850 mb will
result in warm advection and ascent, with elevated CAPE sufficient
for thunderstorms mainly after 06Z from TX into LA.

Elsewhere, very sparse convection with lightning may exist over
parts of far southern FL and the Keys during the day, but increasing
winds out of the north will provide gradual drying.

...Jewell.. 12/17/2022

$$

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