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TID: SBBSecho 3.28-Linux master/123f2d28a Jul 12 2025 GCC 12.2.0
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ACUS01 KWNS 181949
SWODY1
SPC AC 181947

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0147 PM CST Sun Jan 18 2026

Valid 182000Z - 191200Z

...NO THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorms are not forecast across the U.S. today or
tonight.

...20 Update...
The thunder area was removed from the southern Florida Peninsula as
activity has moved offshore. Thunder chances are expected to be less
than 10% across the CONUS through the end of the period.

..Thornton.. 01/18/2026

.PREV DISCUSSION... /ISSUED 1014 AM CST Sun Jan 18 2026/

...Discussion including South Florida...
A longwave trough will remain prominent east of the Rockies, with an
embedded shortwave trough crossing the Southeast, in addition to
multiple clipper-type troughs over the Upper Midwest. The potential
for isolated thunderstorms will exist across the far southern
Florida Peninsula and near the Keys to the south of a cold front,
somewhat enhanced by diurnal heating and a moist pre-frontal air
mass with lower 70s F surface dewpoints. However, most of the
thunderstorm potential should focus offshore, and that will
particularly be the case by late today as low-level winds veer and
the front progresses offshore.

$$

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