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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).

Monday, August 2, 2021

SPC Aug 3, 2021 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0720 PM CDT Mon Aug 02 2021 Valid 030100Z - 031200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF INTERIOR OREGON... ...SUMMARY... Strong to isolated severe downburst winds remain possible over parts of interior Oregon early this evening. ...Oregon... Scattered high-based convection has developed across much of interior Oregon late this afternoon as surface temperatures warmed into the lower 90s. Much of this activity is based above 3km AGL, with 50F+ temperature-dew point spreads at the surface. While PW values are not that high (~.75 inch), gusty winds may accompany the longer-lived thunderstorms for the next few hours, that generate more substantial precipitation. Elsewhere, loss of diurnal heating should result in weakening convection across much of the Rockies and the southern States. ..Darrow.. 08/03/2021 Read more LIVE: spc.noaa.gov