Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Feb 28 2024 07:37:47

ACUS03 KWNS 280737
SWODY3
SPC AC 280736

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0136 AM CST Wed Feb 28 2024

Valid 011200Z - 021200Z

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

....SUMMARY...
Severe thunderstorms are not expected on Friday.

....Synopsis...

A weak upper shortwave trough will move across the Southeast on
Friday. While strong deep-layer southwesterly flow will overspread
the region, quality boundary-layer moisture will remain just
offshore over the Gulf of Mexico given a lack of any appreciable
surface cyclogenesis inland. This will preclude surface-based
instability. Modest midlevel lapse rates and cool temperatures aloft
will provide support for weak elevated instability and isolated
thunderstorms are possible. However, severe storms appear unlikely.

A broad upper trough will continue to slowly develop southward over
the Pacific Northwest and CA/NV. Cool temperatures aloft will result
in steep midlevel lapse rates and very weak instability. This should
be sufficient for isolated thunderstorms in orographic ascent amid a
moist airmass along the Pacific Northwest/northern CA coast.

...Leitman.. 02/28/2024

$$

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