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Cardinal SAT


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.

Wednesday, November 17, 2021

SPC Nov 17, 2021 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0128 PM CST Wed Nov 17 2021 Valid 172000Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are unlikely across the contiguous United States today. ...Discussion... No changes to the ongoing outlook are required at this time, with continue expectations that showers and scattered/largely elevated thunderstorms will evolve this evening and overnight near the advancing surface cold front. No severe weather is expected. ..Goss.. 11/17/2021 .PREV DISCUSSION... /ISSUED 1030 AM CST Wed Nov 17 2021/ A strong surface cold front will continue to sag southeastward across the MS Valley and Great Lakes regions today. Warm temperatures aloft and poor lapse rates will limit CAPE values along the front and hamper the development of lightning from central IL northward. Farther south, scattered elevated showers and thunderstorms are expected to form along and immediately behind the front by early evening, affecting the middle/lower MS valley overnight. Other widely scattered thunderstorms are possible late tonight over parts of south FL and south TX. No severe storms are anticipated. Read more LIVE: spc.noaa.gov