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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, December 31, 2023

SPC Dec 31, 2023 0600 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1120 PM CST Sat Dec 30 2023

Valid 311200Z - 011200Z

...NO THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Thunderstorms are not expected today over the continental USA.

...Synopsis...
Mean upper troughing from the Great Lakes into much of the East, in
combination with ridging over the Rockies and a dry surface air
mass, will maintain relatively stable conditions across the CONUS
today, with little if any threat of thunderstorms. A meager attempt
at moisture return will occur over the western Gulf of Mexico as
low-level winds increase late and eventually veer in response to the
mid MS/OH Valley trough. However, forecast soundings even over the
water indicate shallow boundary layer moisture, with generally
low-topped convective showers expected late, producing little
lightning.

..Jewell.. 12/31/2023


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