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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 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1030 AM CST Wed Nov 17 2021 Valid 171630Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are unlikely across the contiguous United States today. 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. ..Hart/Weinman.. 11/17/2021 Read more LIVE: spc.noaa.gov