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Archives for Chicago's hourly weather data updated 24-48 hours after end of each day. MOBILE CHGOWX.COM ...
Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Friday, September 24, 2021

SPC Sep 24, 2021 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0725 PM CDT Thu Sep 23 2021 Valid 240100Z - 241200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms will be possible this evening into tonight from parts of far eastern North Carolina north-northeastward into south-central New England. Isolated thunderstorms may also occur in parts of the Desert Southwest. No severe thunderstorms are expected this evening through tonight. ...DISCUSSION... An upper-level low will move northward across the northern Great Lakes tonight as a cold front advances eastward across the central Appalachians. Thunderstorms will be possible near and ahead of the front from coastal sections of eastern North Carolina north-northward into south-central New England. Isolated thunderstorms may also occur across parts of the Desert Southwest. Instability and deep-layer shear is not expected to be sufficient across the continental United States for severe weather through tonight. ..Broyles.. 09/24/2021 Read more LIVE: spc.noaa.gov