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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, October 6, 2021

SPC Oct 7, 2021 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0749 PM CDT Wed Oct 06 2021 Valid 070100Z - 071200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM NORTHERN ALABAMA THROUGH MIDDLE TENNESSEE... ...SUMMARY... Isolated severe storms capable of marginally severe hail, damaging winds and a brief tornado remain possible this evening over a part of the Tennessee Valley and nearby Southeast States and Lower Ohio Valley. ...Tennessee Valley area... Scattered showers and thunderstorms will continue developing this evening from northern AL into middle TN within the primary band of ascent associated with an upper low circulation. The atmosphere is only marginally unstable with 500-1000 J/kg MLCAPE. However, the VWP from Huntsville shows some veering in the lowest 1 km with up to 160 m2/s2 storm relative helicity. Overall threat appears marginal, but vertical wind profiles are such that a couple of storms could develop updraft rotation and produce a brief tornado or two during the next few hours. See swomcd 1807 for more information. ..Dial.. 10/07/2021 Read more LIVE: spc.noaa.gov