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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.


Friday, January 6, 2023

SPC Jan 6, 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 1105 PM CST Thu Jan 05 2023 Valid 061200Z - 071200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not forecast today. ...Synopsis... Low heights will remain over the Northeast as the main waves ejects across New England and a secondary wave moves across the upper MS Valley and Great Lakes. To the west, a shortwave trough will proceed eastward across the Four Corners states and into the central Plains by 12Z Saturday, while another trough skirts the coastal Pacific Northwest. At the surface, high pressure will remain over much of the East, resulting in offshore winds across the eastern Gulf of Mexico and Atlantic Coast. However, low-level moisture return will occur over the southern Plains as a surface low develops from the TX Panhandle across OK. Despite 60s F dewpoints spreading north across TX late Friday into Friday night, forecast soundings reveal a capped air mass. As such, storms are not expected with this system. Elsewhere, little if any instability is forecast over western WA and OR despite cooling aloft, as a band of precipitation affects the area late in the day. ..Jewell.. 01/06/2023 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)