Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Apr 18 2024 08:08:14

ACUS48 KWNS 180808
SWOD48
SPC AC 180806

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0306 AM CDT Thu Apr 18 2024

Valid 211200Z - 261200Z

....DISCUSSION...
For much of the extended period, a deep upper low and expansive
trough will exist over eastern Canada, with moderate northwest flow
across the central and eastern CONUS with various embedded waves. A
cold front will be located roughly along the Gulf Coast on
Sunday/D4, with areas of rain and thunderstorms from eastern TX
toward the northern Gulf Coast and across northern FL. High pressure
will keep the quality low-level moisture primarily offshore, but
return flow into the southern Plains is forecast from around
Wednesday/D7 and beyond as a potential upper trough develops over
the western CONUS. As such, low severe potential is forecast for
most of the D4-8 period, with perhaps increasing potential by D8 or
beyond as the large northeastern trough dwindles.

...Jewell.. 04/18/2024

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