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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.

Tuesday, November 16, 2021

SPC Nov 17, 2021 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1055 PM CST Tue Nov 16 2021 Valid 171200Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are unlikely across the contiguous United States today. ...Synopsis... An upper low will move east from Manitoba into Ontario, with a broad area of cyclonic flow aloft moving across the Plains and into the upper Great Lakes region. At the surface, a cold front will stretch from Lower MI during the day southwestward into central TX, with southerly winds resulting in 50s to perhaps lower 60s F dewpoints ahead of it. Lift along and behind the cold front should result in elevated thunderstorms, mainly after 00Z, from southeast MO into AR. Poor lapse rates aloft as well as weak overall MUCAPE of only a few hundred J/kg will preclude any severe threat. ..Jewell/Lyons.. 11/17/2021 Read more LIVE: