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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.

Friday, March 25, 2022

SPC Mar 25, 2022 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0254 PM CDT Fri Mar 25 2022 Valid 252000Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected across the U.S. today or tonight. No changes were made to the outlook at 20Z. For more information regarding low-topped convection producing strong wind gusts, see mesoscale discussion 337. ..Jewell.. 03/25/2022 .PREV DISCUSSION... /ISSUED 1130 AM CDT Fri Mar 25 2022/ ...Discussion... Very isolated lightning flashes could occur from mid-afternoon through around sunset across parts of the Midwest, including portions of southern Wisconsin and northern Illinois into northern Indiana and possibly far southwest Lower Michigan. This would be associated with shallow/very low-topped convection near and ahead of a clipper-type shortwave trough. Presuming some cloud breaks and modest diurnal heating, thermodynamic profiles could support lightning flashes on an isolated basis until around sunset. Elsewhere, convective potential will remain virtually nil across the remainder of the CONUS, although a lightning flash or two could occur through early afternoon across northeast North Carolina. Read more CHECK UPDATE ZOOM GRAPHIC
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