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SPC Dec 30, 2023 Day 4-8 Severe Weather Outlook

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Day 4-8 Outlook
Day 4-8 Outlook Image
Day 4-8 Convective Outlook  
NWS Storm Prediction Center Norman OK
0356 AM CST Sat Dec 30 2023

Valid 021200Z - 071200Z

A progressive upper pattern is expected to persist across the CONUS
through the extended forecast period. A southern-stream shortwave
trough should move quickly eastward across the southern Plains,
Southeast, and northern Gulf of Mexico next Tuesday into Thursday.
While some elevated thunderstorms may occur across parts of TX
Tuesday afternoon and night, instability will likely remain too weak
to support any severe threat. Appreciable low-level moisture should
also be confined to the northern Gulf, along and south of a front.
Little severe potential is evident as this shortwave trough
progresses eastward across the lower MS Valley and Southeast from
Wednesday into Thursday.

Medium-range guidance is in reasonably good agreement that another
upper trough/low will move across the southern Plains around next
Friday into Saturday. Similar to the preceding upper trough,
substantial inland advance of rich low-level moisture appears
unlikely, suggesting overall low severe potential.

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