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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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Monday, January 27, 2025

SPC Jan 27, 2025 2000 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 2000Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0144 PM CST Mon Jan 27 2025

Valid 272000Z - 281200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorm potential will remain very low through tonight.

...20Z Update...
Minimal changes were made to the ongoing forecast based on current
observations.

..Wendt.. 01/27/2025

.PREV DISCUSSION... /ISSUED 1010 AM CST Mon Jan 27 2025/

...Synopsis...
A 500 mb cyclone will meander across the Southwest as a mid-level
trough deepens across the Northeast, reinforcing surface high
pressure and subsidence across most of the CONUS, where thunderstorm
development should remain limited. One exception is the Lower
Colorado Basin region. Here, cooler temperatures aloft with the
mid-level low will promote enough buoyancy (albeit scant) and lift
to support isolated thunderstorms across far southeast CA today into
western and central AZ tonight.


Read more CHECK UPDATE ZOOM GRAPHIC


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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)