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SPC Dec 31, 2023 1300 UTC Day 1 Convective Outlook


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SPC 1300Z Day 1 Outlook
Day 1 Outlook Image
Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0636 AM CST Sun Dec 31 2023

Valid 311300Z - 011200Z

...NO THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Thunderstorms are not expected today or tonight over the continental
USA.

...Synopsis/Forecast...
A moderately amplified but progressive split upper-flow regime will
exist over much of the CONUS, particularly to the west of an
elongated upper trough over the Midwest and East. The prevalence of
high pressure east of the Rockies and relatively dry/stable
conditions will considerably limit the potential for thunderstorms.
Air mass modification will occur with early stage low-level moisture
return over the western Gulf of Mexico, to the south of a
southward-advancing front tonight across Texas and Louisiana.
Forecast soundings suggest that thermodynamic profiles will not be
particularly conducive to thunderstorms tonight, even while some
convective showers may increase late tonight/early Monday toward the
Texas coastal vicinity.

..Guyer.. 12/31/2023

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