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MOBILE DEVICE? Turn sideways. Weather conditions directly above are near Lakefront. Top tabs refer to O'Hare (official).

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.


Saturday, April 8, 2023

SPC Apr 8, 2023 0600 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1238 AM CDT Sat Apr 08 2023 Valid 081200Z - 091200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... A few strong storms are possible across northern Florida through early evening, however the severe threat appears minimal. ...Florida... Weak short-wave trough is currently progressing into the lower MS Valley. This feature is forecast to advance into AL/FL Panhandle by 18z then off the Southeast Atlantic Coast during the evening. Latest model guidance suggests a weak surface wave will approach the FL Panhandle early, then a more pronounced surface low should evolve off the FL Atlantic Coast in response to the short wave. This evolution should lead to relatively weak low-level convergence across FL, both along the east-west stationary boundary and pre-frontal confluence zone near the east coast. Convection will be ongoing at the start of the period across AL into the western FL Panhandle in response to the short wave. A significant complex of storms should propagate across northern FL/southern GA (along/near the east-west boundary), but low-level shear is forecast to be weak. Additionally, poor lapse rates will lead to weak buoyancy. Current thinking is the greatest risk with this activity will be gusty winds, and the likelihood for organized severe thunderstorms appears too low to warrant a risk of severe this period. ..Darrow/Wendt.. 04/08/2023 Read more CHECK UPDATE ZOOM GRAPHIC
SUNRISE AND SUNSET TIMES IN UTC (if you're not logged in to Google)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)