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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

Tuesday, December 5, 2023

SPC Dec 5, 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
1116 PM CST Mon Dec 04 2023

Valid 051200Z - 061200Z

...NO THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Thunderstorms are not expected across the contiguous United States.

...Discussion...

Large-scale pattern will prove unfavorable for thunderstorms today
across the CONUS. Offshore flow will prevail across most of the
Atlantic/Gulf Coasts and any appreciable buoyancy has been shunted
well south and east of the United States.

Across the western US, warm conveyor will gradually sag south along
the west Coast, but the primary upper trough will hold well
offshore. Weak instability may be noted within the conveyor, but
primarily west of -125 longitude. Even within this corridor,
elevated convection should remain too shallow/weak to warrant any
meaningful risk for lightning.

..Darrow.. 12/05/2023


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