Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Jan 10 2024 05:31:46

ACUS01 KWNS 100531
SWODY1
SPC AC 100529

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1129 PM CST Tue Jan 09 2024

Valid 101200Z - 111200Z

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

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

....Synopsis...

A broad upper trough will envelop the CONUS today. At the surface, a
deep cyclone will lift northeast across New England and Quebec. Some
convection may be ongoing during the morning hours from near Cape
Cod northward into Maine. However, meager instability and poor
midlevel lapse rates will likely preclude lightning. Otherwise,
generally dry and/or stable conditions in the wake of a cold frontal
passage earlier in the week will preclude thunderstorm activity
across much of the rest of the U.S. east of the Rockies.

Further west, a series of shortwave impulses migrating through the
western periphery of the CONUS upper trough will foster areas of
precipitation from the Pacific Northwest toward the Great Basin.
Cold temperatures aloft will support steep midlevel lapse rates and
at least areas of weak instability. Isolated lightning flashes will
accompany convection along the WA/OR coasts, as well as over parts
of the Sierra Mountains into NV/UT. Severe storms are not expected.

...Leitman.. 01/10/2024

$$

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