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Weather conditions on bar directly above are near Lakefront. Tabs under Moon Phases refer to O'Hare (official).

Archives for SPC Convective outlook are updated daily with a live map a the beginning of the article. Touch or click map to get possible update, and follow link at end of article for referral to NOAA/NWS Storm Prediction Center. Archives for Chicago's hourly weather data were updated 24-48 hours after end of each day prior to Dec. 2020.

Monday, December 6, 2021

SPC Dec 6, 2021 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook CORR 1 NWS Storm Prediction Center Norman OK 1052 AM CST Mon Dec 06 2021 Valid 061630Z - 071200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY FROM CENTRAL LOUISIANA EASTWARD INTO PARTS OF MISSISSIPPI AND ALABAMA.... CORRECTED FOR WIND PROBABILITY LINE ERROR ...SUMMARY... A few strong to severe storms are expected today over parts of Louisiana, Mississippi, and Alabama. Damaging wind gusts will be the primary hazard. ...TX to GA... A large upper trough is dominant across much of the eastern US today, with the associated cold front extending from northeast LA into middle TN. Widespread thunderstorms are occurring along and ahead of the cold front, with occasional clusters of storms showing sufficient intensification for some concern for damaging winds over the past few hours. Pockets of heating ahead of the line will maintain deep convection through the day, with storms moving across the remainder of LA/MS/AL/western GA. However, low and mid level wind fields will weaken throughout the day. This is expected to keep the overall severe threat limited and sporadic. Nevertheless, the strongest cells across the region will pose a risk of damaging wind gusts or perhaps a tornado or two. Please refer to Mesoscale Discussion #1968 for further details. ..Hart.. 12/06/2021 Read more LIVE: spc.noaa.gov