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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.

ARLINGTON HEIGHTS WEATHER

Sunday, November 26, 2023

SPC Nov 26, 2023 1300 UTC Day 1 Convective Outlook

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


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0655 AM CST Sun Nov 26 2023

Valid 261300Z - 271200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Organized severe thunderstorms are not expected today or tonight.

...Synopsis...
A relatively amplified large-scale pattern will prevail over the
CONUS, with multiple lower amplitude disturbances crossing the
Midwest/Southeast amidst phasing westerlies over the eastern third
of the CONUS. Cool/stable continental trajectories will largely
limit deep convective potential, with a potential exception being
the coastal Southeast states.

...Northwest/West-Central Florida Peninsula...
Owing to weak cyclogenesis from the northeast Gulf of Mexico across
the northern Florida Peninsula later today, a warm/moist sector will
expand eastward across much of the Peninsula. This will be as
hodographs lengthen owing to strengthening low/mid-level
southwesterly winds, particularly in the 1-3 km AGL layer. However,
questions still linger regarding the quality/depth of the
inland-progressing moist layer, as well as the likelihood of
lingering mid-level capping over the Peninsula. Current thinking is
that while some strong/rotating storms may occur off the
west/northwest coast of Florida, severe-storm potential should
remain limited over inland areas. Subsequent outlooks will continue
to reevaluate any potential need for low tornado and/or wind-related
severe probabilities.

..Guyer/Mosier.. 11/26/2023


Read more CHECK UPDATE ZOOM GRAPHIC


http://dlvr.it/SzKwxq
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