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Topic: SPC Nov 2, 2024 Day 4-8 Severe Weather Outlook (Read 12 times) previous topic - next topic

SPC Nov 2, 2024 Day 4-8 Severe Weather Outlook

SPC Nov 2, 2024 Day 4-8 Severe Weather Outlook

[html]Day 4-8 Outlook
     
Day 4-8 Outlook Image

Day 4-8 Convective Outlook 
NWS Storm Prediction Center Norman OK
0341 AM CDT Sat Nov 02 2024

Valid 051200Z - 101200Z

...DISCUSSION...
A benign pattern for appreciable severe appears likely to co*mence
by D4/Tuesday, although low-probability severe potential may exist
during the period. In the wake of a dampening positive-tilt
mid/upper trough near the Great Lakes on D4, an upstream shortwave
trough digging over the northern Intermountain West should evolve
into a cutoff low across the Southwest mid-week. A cold front
slowing and then stalling along the western Gulf Coast to Lower MS
Valley should be a focus for convection lingering from D3 into D4.
Weakening of both deep-layer winds and forcing for ascent will be
limiting factors to the severe-storm threat.

Modified moisture return will eventually spread back towards the
southern High Plains, in advance of the cutoff low. This suggests
increasing thunder potential on D6/Thursday, along an inverted
surface trough. Even with some ensemble members suggesting ejection
of the cutoff low onto the central/southern Great Plains late in the
period, the overall pattern appears unlikely to support greater than
15-percent severe probabilities.


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Source: SPC Nov 2, 2024 Day 4-8 Severe Weather Outlook (http://ht**://www.spc.noaa.gov/products/exper/day4-8/)