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Archives for Chicago's hourly weather data updated 24-48 hours after end of each day. MOBILE CHGOWX.COM ...
Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Saturday, July 31, 2021

SPC Jul 31, 2021 Day 4-8 Severe Weather Outlook

Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0330 AM CDT Sat Jul 31 2021 Valid 031200Z - 081200Z ...DISCUSSION... Severe storm potential is expected to remain relatively low from Tue/D4 through Thu/D6 across the CONUS due to a persistent upper trough east of the MS River. Rain and storms are expected during this period along the Gulf and Mid Atlantic Coasts along a slow-moving cold front, but significant convective overturning and lack of shear should minimize severe potential. As the upper trough and surface high shift northeastward roughly from Thu/D6 into Fri/D7, robust moisture return is possible across the Plains with 30+ kt southerly 850 mb winds forecast. Models indicate a shortwave trough may intercept the moistening air mass, moving east across the northern Plains and upper MS Valley from Fri/D7 into Sat/D8, with severe potential due to increasing lift and shear. Although an area of interest, predictability for this small-scale trough is too low to introduce severe probabilities. Read more LIVE: spc.noaa.gov
http://dlvr.it/S4nFcs