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Topic: SPC Aug 19, 2022 Day 4-8 Severe Weather Outlook (Read 39 times) previous topic - next topic

SPC Aug 19, 2022 Day 4-8 Severe Weather Outlook

SPC Aug 19, 2022 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
0336 AM CDT Fri Aug 19 2022

Valid 221200Z - 271200Z

...DISCUSSION...
An upper trough is forecast to advance slowly eastward across the
Mid-Atlantic and Northeast from Day 4/Monday into Day 5/Tuesday.
Generally modest mid-level winds attendant to this trough and
limited deep-layer shear should keep the severe threat across these
regions isolated/marginal. Another upper trough/low should move
slowly inland across the Pacific Northwest and eventually the
northern Rockies during the early to middle part of next week. While
some thunderstorm potential should exist across these regions as the
trough develops eastward, instability should remain too weak to
support a substantial threat for organized severe thunderstorms.


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Source: SPC Aug 19, 2022 Day 4-8 Severe Weather Outlook (http://ht**://www.spc.noaa.gov/products/exper/day4-8/)