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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, July 18, 2022

SPC Jul 18, 2022 Day 4-8 Severe Weather Outlook

Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0326 AM CDT Mon Jul 18 2022 Valid 211200Z - 261200Z ...DISCUSSION... Medium-range models are in good agreement in the timing/placement of a progressive mid-level trough moving through the Northeast on Thursday (day 4). Rich low-level moisture will likely encompass the Northeast ahead of a front forecast to move through the region. Scattered to numerous thunderstorms are forecast with severe gusts possible in the more intense thunderstorm bands. By Friday (day 5), a mid-level ridge will be flattened over the southern U.S. A series of mid-level disturbances will likely traverse from west to east across the northern part of the Lower 48 during the middle to late part of the extended period. Uncertainty in the timing/location of disturbances precludes any additional severe highlights. 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)