SPC AC 210050
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0650 PM CST Tue Feb 20 2024
Valid 210100Z - 211200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
The risk for severe thunderstorms appears negligible across the U.S.
Isolated thunderstorms will remain possible through tonight as a
series of embedded shortwave troughs rotate inland over southwest
OR, central CA and southern CA. Forcing for ascent and cool
midlevel temperatures/weak buoyancy will support the threat for
additional lightning flashes the next few hours from southwest OR
into central CA, as well as over parts of the Great Basin. The
potential for isolated thunderstorms will increase late
tonight/early Wednesday across southern CA as the basal shortwave
trough approaches the coast 06-12z.
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NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z