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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.

Tuesday, March 1, 2022

SPC Mar 1, 2022 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1008 AM CST Tue Mar 01 2022 Valid 011630Z - 021200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are unlikely today or tonight across the U.S. ...Synopsis... Persistent surface high pressure and dry/cool conditions across the CONUS will continue to limit the potential for thunderstorms today. An atmospheric river will continue to flow into the Pacific Northwest ahead of an upper-level trough, which may support sufficient lift for modestly deep convection. Observed and forecast soundings suggest sufficient instability may be in place this afternoon for a lightning strike or two as temperatures warm into the upper 50s and low 60s. This is most likely across central to western WA, but the overall thunderstorm potential remains too limited (below 10% probability) to delineate an area. ..Thompson/Moore.. 03/01/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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