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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.

Wednesday, February 9, 2022

SPC Feb 9, 2022 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 Feb 09 2022 Valid 091630Z - 101200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected across the U.S. through tonight. ...Synopsis/Discussion... An amplified large-scale pattern will persist with the continuance of mean longwave troughing east of the Rockies. The CONUS-wide prevalence of cool/stable conditions will likely preclude thunderstorm development. That said, a few thunderstorms will remain a possibility offshore near a front near/just east of the Florida Keys and south Florida. Elsewhere, across the Ohio Valley, while low/mid-level lapse rates will be rather steep (> 7 C/km) with daytime heating/mixing, low-level moisture will be quite limited within the continental polar air mass. The scenario should be insufficient for deep convection/lightning this afternoon/early evening across northern Kentucky and southern Ohio and vicinity. ..Guyer.. 02/09/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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