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Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.


Sunday, August 29, 2021

SPC Aug 30, 2021 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0743 PM CDT Sun Aug 29 2021 Valid 300100Z - 301200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE CENTRAL GULF COAST REGION... ...SUMMARY... A few tornadoes remain possible tonight across the central Gulf Coast in association with Hurricane Ida. ...Ida... Hurricane Ida continues its northward motion with a well-identifiable eye currently moving into southern St. John the Baptist Parish. Strong convective bands are noted across the eastern semicircle of Ida, initiating roughly 70 mi offshore, arcing across southeast LA before losing their identity within a broader shield of precipitation. Will not adjust severe probabilities appreciably during the overnight period as the forecast track continues per earlier guidance. ...OH Valley... An elongated band of broken convection extends across southern ON-northwest OH-northern IN. This activity has gradually weakened over the last few hours, especially south of the international border where only a narrow corridor of modest buoyancy currently exists. Latest diagnostic data suggests strong convection may linger for the next few hours across mainly northwestern OH where MLCAPE is holding around 2000 J/kg. Nocturnal cooling and the lack of large-scale support will limit severe threat across this region. ..Darrow.. 08/30/2021 Read more LIVE:
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CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)