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.
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Weather conditions on bar directly above are near Lakefront. Tabs under Moon Phases refer to O'Hare (official).
Archives for SPC Convective outlook are updated daily with a live map a the beginning of the article. Touch or click map to get possible update, and follow link at end of article for referral to NOAA/NWS Storm Prediction Center. Archives for Chicago's hourly weather data were updated 24-48 hours after end of each day prior to Dec. 2020.
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