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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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Sunday, September 28, 2025

SPC Sep 28, 2025 1300 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1300Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0707 AM CDT Sun Sep 28 2025

Valid 281300Z - 291200Z

...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON
AND EVENING FROM CENTRAL NEW MEXICO INTO FAR WEST TEXAS....

...SUMMARY...
Isolated strong thunderstorms capable of damaging winds and hail are
expected from central New Mexico into far West Texas today.

...NM/West TX...
An upper low over western AZ will continue to track slowly eastward
today, with southwesterly mid/upper-level flow in place over much of
the southwest states. A combination of pockets of favorable daytime
heating and surface dewpoints in the lower 50s will yield 1000-1500
J/kg of MLCAPE and the development of scattered thunderstorms by mid
afternoon. This activity will spread across the MRGL risk area
through mid/late afternoon, posing a low-end risk of gusty/damaging
winds and hail.

..Hart/Grams.. 09/28/2025


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