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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.


Saturday, December 3, 2022

SPC Dec 3, 2022 0600 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1140 PM CST Fri Dec 02 2022 Valid 031200Z - 041200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected today. ...Synopsis... A leading shortwave trough will move quickly across the Great lakes and Northeast, within a larger-scale area of cyclonic flow aloft around a Hudson Bay low. Primarily westerly flow aloft will exist over the remainder of the CONUS, except for the coastal Pacific Northwest where an upper low will be just offshore. Here, a few lightning flashes with limited coverage will be possible off the coast. A cold front will be positioned roughly from eastern TX to the OH Valley Saturday morning, and will quickly push eastward with high pressure behind. Scattered showers will likely occur in association with this fast-moving front, but instability will be quite limited for thunderstorms. However, sufficient elevated instability will exist during the day for sporadic lighting flashes over the northern Gulf Coast and perhaps toward the Mid Atlantic early in the day, with little large-scale support. ..Jewell/Moore.. 12/03/2022 Read more CHECK UPDATE ZOOM GRAPHIC
SUNRISE AND SUNSET TIMES IN UTC (if you're not logged in to Google)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)