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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.

Tuesday, August 2, 2022

SPC Aug 2, 2022 0730 UTC Day 3 Severe Thunderstorm Outlook

SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0211 AM CDT Tue Aug 02 2022 Valid 041200Z - 051200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Organized severe storms are not expected on Thursday, but sporadic strong storms may produce gusty winds over portions of the interior West, and from the Missouri Valley into the Northeast. ...Synopsis... An upper high will build over the central High Plains Thursday, with relatively weak flow aloft across most of the CONUS. The exception will be from the Pacific Northwest into the Dakotas, as the base of a shortwave trough moves across MT. Low pressure will be focused over SK during the day, with westerlies generally resulting in weakly unstable conditions until late overnight when the low-level jet increases over the eastern Dakotas. Here, a few elevated storms will be possible, but weak instability should preclude any severe risk. Elsewhere, a warm and moist air mass will exist from the lower MO valley into the Northeast, with various clusters of storms along and south of a stationary front. Given the generally weakening upper flow regime and rising heights, concentrated areas of severe storms are currently not anticipated. ..Jewell.. 08/02/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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