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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.

Saturday, March 12, 2022

SPC Mar 12, 2022 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0144 PM CST Sat Mar 12 2022 Valid 122000Z - 131200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Gusty winds may persist with storms across far southern Florida for a few more hours, but the threat area is rapidly decreasing in size. ...South Florida... A line of convection, currently producing very little lightning, continues to move rapidly east across south Florida, and will affect the Miami area as well as the Keys over the next couple hours. While storms within the line are currently low topped, mean wind speeds in the lowest 1 km are around 30-35 kt, suggesting wind gusts of that magnitude will be likely. Locally higher gusts may occur prior to the cold front pushing offshore later this afternoon. ..Jewell.. 03/12/2022 .PREV DISCUSSION... /ISSUED 1017 AM CST Sat Mar 12 2022/ ...Eastern NC... A strong cold front and an accompanying line of intense thunderstorms that affect the Carolinas this morning has move offshore, ending the severe threat in that area. ...Central FL... Farther south, the same cold front is sagging slowly southward across central FL. Scattered strong storms continue along this line, with occasional strong/damaging wind gusts being reported. 12z model guidance suggests this activity will weaken during the afternoon as large scale support departs the region. Recent IR cloud top and lightning trends suggest this trend has already started. Nevertheless, an isolated severe threat may persist into mid-afternoon. Read more CHECK UPDATE ZOOM GRAPHIC