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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, January 17, 2022

SPC Jan 17, 2022 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1017 AM CST Mon Jan 17 2022 Valid 171630Z - 181200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast today. ...ME... Minimal mid-level buoyancy may develop just ahead of the dry slot attendant to the shortwave trough over western New England. This buoyancy profile should largely overlap the back edge of robust forcing for ascent coincident with the dendritic growth zone. While this will maintain heavy snowfall rates in parts of the state through this afternoon, prospects for charge separation appear negligible and mitigate a 10 percent thunderstorm probability area. ..Grams/Lyons.. 01/17/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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