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Topic: SPC Sep 25, 2024 0730 UTC Day 3 Severe Thunderstorm Outlook (Read 12 times) previous topic - next topic

SPC Sep 25, 2024 0730 UTC Day 3 Severe Thunderstorm Outlook

SPC Sep 25, 2024 0730 UTC Day 3 Severe Thunderstorm Outlook

[html]SPC 0730Z Day 3 Outlook
     
Day 3 Outlook Image

Day 3 Convective Outlook 
NWS Storm Prediction Center Norman OK
0153 AM CDT Wed Sep 25 2024

Valid 271200Z - 281200Z

...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS
OF NORTH CAROLINA INTO SOUTHERN VIRGINIA...

...SUMMARY...
A risk for a couple of tornadoes and damaging thunderstorm wind
gusts exists across parts of North Carolina into southern Virginia
on Friday.

...NC/VA...

Strong low to midlevel southeasterly flow fields associated with the
remnants of Tropical Cyclone Helene will persist through Friday
afternoon across the southern Mid-Atlantic vicinity. Onshore
low-level flow will maintain a high theta-e airmass, with surface
dewpoints in the mid 70s F expected. Forecast soundings across the
area show favorable low-level hodographs supporting rotation within
cells in northwest moving convective bands. While lapse rates will
remain poor, rich boundary-layer moisture should provide enough
low-level instability to support occasional strong gusts and a
couple of tornadoes through late afternoon/early evening. The
northward extent of severe potential will be limited by weakening
deep-layer flow beyond the 21-00z time frame and a cold front
sagging southeast across VA.

..Leitman.. 09/25/2024


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Source: SPC Sep 25, 2024 0730 UTC Day 3 Severe Thunderstorm Outlook (http://ht**://www.spc.noaa.gov/products/outlook/day3otlk_0730.html)