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Topic: SPC Dec 28, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook (Read 5 times) previous topic - next topic

SPC Dec 28, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook

SPC Dec 28, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook

[html]SPC 1930Z Day 3 Outlook
     
Day 3 Outlook Image

Day 3 Convective Outlook 
NWS Storm Prediction Center Norman OK
0108 PM CST Sat Dec 28 2024

Valid 301200Z - 311200Z

...NO THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Thunderstorm chances appear low on Monday.

...Synopsis...

An upper trough will move across the Northeast and toward the
Canadian Maritimes on Monday. Upstream, another shortwave upper
trough will develop eastward from the central Plains to the Midwest.
A dry and stable airmass will mostly be left in the wake of the
Northeast upper trough, as a surface cold front will largely be
offshore the Atlantic and Gulf coasts Monday morning. However,
southerly low-level flow will increase across the western Gulf to
the Ozarks as a surface low deepens over the central Plains in
response to the digging upper low over that region. Nevertheless,
richer boundary-layer moisture (60s F dewpoints) will remain
confined to the western Gulf coast vicinity. More meager moisture
(40s F dewpoints) will exist as far north as southern MO/IL. While a
lightning flash or two is possible with developing precipitation
during the evening/overnight, poor thermodynamics will preclude
greater coverage of thunderstorms.

..Leitman.. 12/28/2024


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Source: SPC Dec 28, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook (http://ht**://www.spc.noaa.gov/products/outlook/day3otlk_1930.html)