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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, March 23, 2026

SPC Mar 23, 2026 2000 UTC Day 1 Convective Outlook

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


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0251 PM CDT Mon Mar 23 2026

Valid 232000Z - 241200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Isolated thunderstorms are possible today from southeast Georgia to
the coastal Carolinas.

...Synopsis...
Minimal changes were made to the thunder area over parts of the
Carolinas given the latest frontal position. Weak destabilization
has occurred over parts of the eastern Carolinas amid strong diurnal
heating of a modestly moist air mass. A strong storm or two remains
possible this afternoon ahead of the front beneath enhanced
mid-level flow. However, the coverage and duration of any stronger
storms appears limited. See the prior outlook for more info.

..Lyons.. 03/23/2026

.PREV DISCUSSION... /ISSUED 1115 AM CDT Mon Mar 23 2026/

...Coastal Carolinas/Georgia...
A large upper trough continues to track eastward across the lower
Great Lakes and into New England today, while the associated surface
cold front sags across the southeast states. As the front
approaches the more moist and marginally unstable offshore air mass,
showers and a few thunderstorms will become more numerous. This
process will occur late this afternoon, and might result in a strong
storm or two along the immediate coast of NC before activity moves
out to sea. Small hail or gusty winds are possible, but the overall
severe threat seems too low to warrant probabilities at this time.


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