Day 4-8 Outlook

Day 4-8 Outlook Image

Day 4-8 Convective Outlook  
NWS Storm Prediction Center Norman OK
0350 AM CDT Thu Sep 24 2020

Valid 271200Z - 021200Z

...DISCUSSION...
Large-scale upper troughing over the central CONUS is forecast to
amplify further on Day 4/Sunday. Large differences in medium-range
guidance emerge by early next week regarding the eastward
progression of this upper trough. If a slower solution verifies,
then organized severe thunderstorms would be possible along/ahead of
a cold front across parts of the southern Plains on Day 4/Sunday,
continuing into portions of the lower MS Valley, Southeast, and
possibly the Mid-Atlantic through at least Day 6/Tuesday. However,
if a faster eastward movement to the upper trough occurs, then
severe potential across these regions should be much less. Given
this uncertainty, no severe probabilities appear warranted through
the extended forecast period.

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