Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun Sep 28 2025 16:46:18

ACUS02 KWNS 281646
SWODY2
SPC AC 281644

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1144 AM CDT Sun Sep 28 2025

Valid 291200Z - 301200Z

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

....SUMMARY...
Severe thunderstorms are not expected tomorrow (Monday).

....Synopsis...
A broad mid-level trough will impinge on the Interior West while a
tropical cyclone parallels the FL Peninsula and encroaches on the
Carolina shoreline tomorrow (Monday). Deep-layer ascent with the
western trough will encourage the development of scattered to
numerous thunderstorms across the northern Great Basin into the
northern Rockies. Given strong vertical wind shear amid scant
buoyancy, some of the stronger storms over NV into OR and ID may
produce strong wind gusts. Multiple weak mid-level impulses
preceding the western upper trough will traverse the Rockies and the
Upper MS Valley, providing enough lift of a moist airmass to support
isolated to potentially scattered thunderstorms in these regions.

Outer rainbands from TD9 will approach the FL Peninsula and Carolina
coastline through the period. However, current forecast trajectories
of TD9 suggest that the northeast quadrant rainbands (and
accompanying favorable buoyancy/shear profiles) should remain
offshore. As such, no tornado probabilities have been introduced
this outlook.

...Squitieri.. 09/28/2025

$$

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