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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.

Thursday, February 24, 2022

SPC Feb 24, 2022 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1016 AM CST Thu Feb 24 2022 Valid 241630Z - 251200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible today and tonight from the western Gulf Coast across the lower/mid Mississippi and Ohio Valley regions. ...MO/AR into the OH Valley... A region of showers and thunderstorms currently over MO/AR is associated with enhanced low-level warm advection atop a cold surface air mass. Sufficient elevated CAPE suggests that isolated lightning flashes may persist through the afternoon and evening as the activity develops eastward across the OH Valley. ...LA/MS... A relatively strong surface front currently extends from central LA northeastward into southern MS. This boundary will lift northward today, with a moist/unstable air mass spreading northward behind the warm front. Despite MLCAPE values of 500-800 J/kg, forecast soundings show a capping inversion around 700mb that will likely inhibit vigorous convection this afternoon along the front. If an isolated storm or two can form, a sufficient CAPE/shear combination is present for a risk of gusty winds or small hail. ..Hart/Kerr.. 02/24/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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