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Topic: SPC Sep 17, 2024 Day 4-8 Severe Weather Outlook (Read 17 times) previous topic - next topic

SPC Sep 17, 2024 Day 4-8 Severe Weather Outlook

SPC Sep 17, 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
0355 AM CDT Tue Sep 17 2024

Valid 201200Z - 251200Z

...DISCUSSION...
A shortwave trough that amplifies into the Southwest should remain
positive tilt and slow moving into this weekend. Guidance has
trended towards greater consistency with the evolution of its
attendant belt of enhanced mid-level flow ahead of the trough. Based
on current timing, a focused corridor of severe potential may
develop on D5/Saturday afternoon in the southern High Plains. With a
stout mid-level anticyclone anchored over south TX and 500-mb
temperatures warmer than -2 C across roughly the southeast
two-thirds of TX, a potential corridor of 15 percent probabilities
would likely be confined to the mesoscale. Predictability is too low
to confidently highlight such a corridor at this temporal scale.
After D5, predictability on the synoptic scale wanes considerably.
Guidance spread beco*es large with the evolution of northern-stream
shortwave troughs and their influence on this southern-stream wave.


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Source: SPC Sep 17, 2024 Day 4-8 Severe Weather Outlook (http://ht**://www.spc.noaa.gov/products/exper/day4-8/)