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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.


Sunday, December 19, 2021

SPC Dec 19, 2021 Day 4-8 Severe Weather Outlook

Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0357 AM CST Sun Dec 19 2021 Valid 221200Z - 271200Z ...DISCUSSION... ...Day 6/Fri - Day 8/Sun... Northward transport of Gulf moisture is forecast by the end of the week and into next weekend on most global deterministic and ensemble guidance. There is no clear time period of specific concern at this time, but the overall pattern appears favorable for potential severe weather concern at some point. There is reasonable agreement in a large scale pattern favoring a western CONUS upper-level trough and ridging in the east which should keep the warm sector inland and allow the potential mid-level shortwave troughs to eject out of the western CONUS trough and interact with this seasonably warm/moist warm sector. Read more LIVE:
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)