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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.

Friday, January 7, 2022

SPC Jan 7, 2022 Day 4-8 Severe Weather Outlook

Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0247 AM CST Fri Jan 07 2022 Valid 101200Z - 151200Z ...DISCUSSION... On Monday/D4, a large and deep upper trough will exist over the northeastern part of the CONUS, with cool/dry air pushing south behind a cold front. This front will stretch from the central Gulf of Mexico into the western Atlantic, with the only instability over the FL Peninsula. While a few showers or weak thunderstorms will be possible over FL during the day, severe weather is unlikely due to weak instability and rapidly veering low-level winds. For Tuesday/D5 through Thursday/D7, the entire CONUS is expected to be void of thunderstorms due to a large surface high over the central and eastern states. Minor thunderstorms chances may develop over parts of TX toward Friday/D8 as an upper low moves from the southwestern states eastward, but severe weather is clearly unlikely due to very weak instability. Overall, models show predictability issues beyond Thursday/D7 with the movement of the southwestern upper low and further trough development across the West. Read more LIVE: spc.noaa.gov
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