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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, July 19, 2022

SPC Jul 19, 2022 Day 4-8 Severe Weather Outlook

Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0302 AM CDT Tue Jul 19 2022 Valid 221200Z - 271200Z ...DISCUSSION... Medium-range model guidance indicates a progressive, low-amplitude upper-air pattern will exist across the northern half of the Lower 48 during the extended period. Models vary regarding the timing/amplification of disturbances embedded within this flow regime. It seems severe potential may begin to focus over parts of the Midwest on Saturday (day 5) but uncertainty precludes an areal highlight. Predictability diminishes further during the latter part of the extended period. Read more CHECK UPDATE ZOOM GRAPHIC
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