Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Jan 20 2023 00:37:34

ACUS01 KWNS 200037
SWODY1
SPC AC 200035

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0635 PM CST Thu Jan 19 2023

Valid 200100Z - 201200Z

....THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
EASTERN OHIO AND WESTERN PENNSYLVANIA...

....SUMMARY...
A few strong wind gusts may accompany a band of convection as it
spreads across eastern Ohio into western Pennsylvania this evening.

....OH Valley...

Strongly-forced band of low-topped convection has progressed across
all but extreme eastern Ohio this evening. This line of storms
appears to be weakening and should continue to do so as it spreads
into western PA. Nocturnal cooling and weakening buoyancy will
negate stronger flow mixing to the surface with this activity. Even
so, 00z sounding from PIT exhibits very steep lapse rates in the
lowest 3km, and the approaching strong short-wave trough may
encourage convection to spread a bit farther downstream than
otherwise would be expected. Isolated gusty winds can not be ruled
out until near-surface-based buoyancy is removed.

...Darrow.. 01/20/2023

$$

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