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MOBILE DEVICE? Turn sideways. Weather conditions directly above are near Lakefront. Top tabs refer to O'Hare (official).

Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.

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: