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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 24, 2022

SPC Jan 24, 2022 0830 UTC Day 3 Severe Thunderstorm Outlook

SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0202 AM CST Mon Jan 24 2022 Valid 261200Z - 271200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible across portions of central and southern Florida Wednesday. ...Synopsis and Discussion... Broadly cyclonic flow aloft is forecast to be in place across the central and eastern CONUS early Wednesday. A series of embedded shortwave troughs are expected to traverse trough this cyclonic flow, helping to maintain upper troughing across the central and eastern CONUS into early Thursday. At the same time, upper ridging will build eastward into more of the West Coast, contributing to a more amplified upper pattern across the western CONUS by Thursday morning. An expansive area of high pressure will dominate the sensible weather across much of the central and eastern CONUS. The only exception is across central and southern FL, where modest low-level moisture will be in place ahead of weak cold front. Isolated thunderstorms are possible over this region as the cold front gradually shifts southward. Instability will be modest, tempered by warm mid-level temperatures and limited diurnal heating, but enhanced flow aloft will contribute to moderate vertical shear and the potential for a strong storm or two. Even so, the relatively modest environmental conditions coupled with limited predictability regarding frontal position/timing and overall buoyancy preclude introducing any severe probabilities with this forecast. ..Mosier.. 01/24/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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