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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.


Monday, February 20, 2023

SPC Feb 20, 2023 Day 4-8 Severe Weather Outlook

LIVE MAP (ABOVE) ... Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0338 AM CST Mon Feb 20 2023 Valid 231200Z - 281200Z ...DISCUSSION... Medium-range models show a dynamic pattern throughout the extended period, but models are not currently showing appreciable buoyancy developing over the central-eastern U.S. through at least Saturday (day 6). Models generally show a mid-level low over the Desert Southwest this weekend beginning to move east and emerge into the southern Rockies/High Plains perhaps late Sunday (day 7). Some signal (low confidence) is shown that a moist/warm sector may develop over the south-central U.S. by late in the extended period. Model variability at this timeframe substantial enough in terms of moisture quality and timing of the ejecting system to preclude severe probabilities. 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)