Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0735 AM CDT Sat Sep 27 2025
Valid 271300Z - 281200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
A severe threat is not expected to develop across the continental
U.S. today and tonight.
...Synopsis...
An upper ridge will be centered over the ArkLaTex and Lower MS
Valley regions today. Upper lows will affect the southwest and
southeast states, where scattered afternoon/evening thunderstorms
will occur. Relatively weak CAPE/shear parameters will likely
preclude any organized severe storms. Nevertheless, an isolated
strong/severe storm will be possible over the mountains of east
TN/western NC, and over southwest AZ - both areas being in proximity
to upper low centers where cool temperatures aloft could result in
hail in the strongest storms.
..Hart/Grams.. 09/27/2025
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