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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, May 14, 2021

SPC May 14, 2021 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0739 PM CDT Thu May 13 2021 Valid 140100Z - 141200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS THE CENTRAL HIGH PLAINS... ...

SUMMARY... Isolated large hail and damaging gusts remain possible this evening from western Nebraska into northwestern Kansas. ...


Central High Plains... Early-evening water vapor imagery depicts a mid-level vort digging southeast across the Black Hills region. Scattered convection has developed ahead of this feature, aided in large part by strong boundary-layer heating. While moisture is a bit marginal, steep lapse rates and ample shear have resulted in several robust updrafts evolving from the NE Panhandle into northwest KS. One larger cluster has matured into a small MCS-like system over southwest NE. This activity has produced large hail and isolated severe wind gusts. If precipitation continues to expand with this cluster, some hail/wind threat could linger across northwest KS beyond 03z, especially as LLJ is expected to focus into this part of the central Plains later this evening. ..Darrow.. 05/14/2021 Read more LIVE: spc.noaa.gov