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Topic: SPC Nov 27, 2024 Day 4-8 Severe Weather Outlook (Read 13 times) previous topic - next topic

SPC Nov 27, 2024 Day 4-8 Severe Weather Outlook

SPC Nov 27, 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
0300 AM CST Wed Nov 27 2024

Valid 301200Z - 051200Z

...DISCUSSION...
Severe-thunderstorm potential still appears low through the extended
range. An upper-level trough is expected to persist across the
eastern CONUS through the period, as multiple reinforcing shortwaves
move southeastward from Canada. A surface ridge covering much of the
central/eastern CONUS will inhibit low-level moisture return through
most of the extended range. Guidance suggests potential for the
surface ridge to eventually shift eastward by D7/Tuesday into
D8/Wednesday, allowing for some moisture return into parts of Texas.
This could lead to an increase in thunderstorm activity, but the
displacement between stronger deep-layer flow/shear and any
appreciable surface-based instability currently appears too large to
support organized severe potential through early next week.


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Source: SPC Nov 27, 2024 Day 4-8 Severe Weather Outlook (http://ht**://www.spc.noaa.gov/products/exper/day4-8/)