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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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Wednesday, November 12, 2025

SPC Nov 12, 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
1149 PM CST Tue Nov 11 2025

Valid 121200Z - 131200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Isolated thunderstorms will be possible along the coast of northern
California late tonight. No severe threat is forecast across the
U.S. today or tonight.

...DISCUSSION...
A mid-level ridge will move across the Rockies today, as a trough
translates eastward toward the West Coast. As large-scale ascent
associated with the approaching trough moves into northern
California late tonight, isolated thunderstorms will become possible
near the coast. Elsewhere across the continental U.S., thunderstorm
development is not expected today or tonight.

..Broyles/Weinman.. 11/12/2025


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SUNRISE AND SUNSET TIMES IN UTC (if you're not logged in to Google)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)