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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.

Sunday, March 13, 2022

SPC Mar 13, 2022 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0247 PM CDT Sun Mar 13 2022 Valid 132000Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms may affect parts of the northern Great Basin and Intermountain region today, into the central Rockies. No changes were made from the previous outlook. Isolated, non-severe thunderstorms remain possible later today across parts of the Intermountain West as cooling aloft with an upper trough coincides with daytime heating. ..Jewell.. 03/13/2022 .PREV DISCUSSION... /ISSUED 1106 AM CDT Sun Mar 13 2022/ ...Great Basin... Showers and isolated thunderstorms are possible this afternoon and evening over parts of the northern Intermountain region today. Cold temperatures aloft, coupled with broad and weak large-scale forcing for ascent and marginal instability will support this potential. A few minor adjustments were made to the area, depicting areas most likely to see greater coverage of convection. Read more CHECK UPDATE ZOOM GRAPHIC
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