Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Dec 13 2023 07:47:41

ACUS03 KWNS 130747
SWODY3
SPC AC 130746

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0146 AM CST Wed Dec 13 2023

Valid 151200Z - 161200Z

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

....SUMMARY...
Severe thunderstorms are not expected on Friday.

....Central to east TX...
Pronounced forcing for ascent ahead of a slow-moving shortwave
trough over the southern Great Plains will likely support a
continued swath of elevated convection. This activity should be
centered on north to west-central TX at 12Z Friday and gradually
progress east-southeast into the Sabine Valley to Upper TX Gulf
Coast by early Saturday. Elevated parcels should consist of minimal
to meager buoyancy as mid-level lapse rates become largely
moist-adiabatic in the southeast quadrant of the trough. Embedded
thunderstorm coverage will probably remain isolated.

Across south TX, confidence is below average in the southward extent
of thunder potential. Guidance spread increases with the latitudinal
placement of the shortwave trough as it begins to phase with a
separate northern-stream shortwave trough amplifying from Alberta
into the northern Great Plains.

...Grams.. 12/13/2023

$$

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