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Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.

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O'Hare International Airport KORD (Arlington Heights South)
Chicago Executive Airport KPWK (Arlington Heights North)

Monday, December 8, 2025

SPC Dec 8, 2025 0600 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1116 PM CST Sun Dec 07 2025

Valid 081200Z - 091200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe-storm potential appears negligible today through tonight.

...South FL...
With a broad upper trough remaining anchored across the East, an
embedded shortwave impulse will progress across the southern
Appalachians to coastal VA/NC by evening. A surface cold front will
sag south across the remainder of the FL Peninsula. In the wake of
decaying morning convection, adequate boundary-layer heating will be
necessary for redevelopment of midday to afternoon storms along the
front. Large-scale ascent, outside of low-level convergence
attendant to the front, appears nebulous with the region
well-removed from influence of the VA/NC impulse. This combined with
persistently weak mid-level lapse rates should limit convective
vigor. But a locally strong gust or two might occur until the front
progresses into the FL Straits.

..Grams/Thornton.. 12/08/2025


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