Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Dec 27 2023 06:37:16

ACUS02 KWNS 270637
SWODY2
SPC AC 270635

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1235 AM CST Wed Dec 27 2023

Valid 281200Z - 291200Z

....NO THUNDERSTORM AREAS FORECAST...

....SUMMARY...
Thunderstorms are not expected across the Lower 48 states on
Thursday.

....Synopsis...

A large upper cyclone centered over the Mid-MS Valley, and attendant
trough extending well south over the Gulf of Mexico will pivot
slowly east on Thursday. A reinforcing shortwave trough rotating
through the back side of this system will maintain general troughing
over the CONUS east of the MS River into early Friday. At the
surface, low pressure off the Mid-Atlantic coast will lift northeast
offshore from the Northeast coast. An attendant cold front will push
further offshore over the Atlantic while the southern extent of the
front pushes deep into the Gulf of Mexico. Strong high pressure
building over the Rockies and Plains, along with a dearth of
boundary-layer moisture, will preclude thunderstorm potential east
of the Rockies. Meanwhile, an amplified upper ridge will encompass
the western half of the CONUS with most dry conditions expected
beneath the influence of the ridge.

...Leitman.. 12/27/2023

$$

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