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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.

ARLINGTON HEIGHTS WEATHER

Sunday, December 19, 2021

SPC Dec 19, 2021 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1027 AM CST Sun Dec 19 2021 Valid 191630Z - 201200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...Northern Florida/southeast Georgia... A moist and modestly unstable air mass precedes an east/southeastward-advancing cold front. Widely scattered showers and thunderstorms will remain a possibility, with the potential for thunderstorms to redevelop along the front this afternoon in the wake of more prevalent activity in the predawn hours. While a strong wind gust or two could occur, the potential for severe-caliber storms is likely to remain minimal given weak lapse rates aloft and the marginality of overall buoyancy. ...South Texas... As per the 12Z observed sounding from Brownsville, thermodynamic profiles ahead of an approaching upper trough over northern Mexico will be marginally supportive of isolated elevated thunderstorms today into tonight, particularly in closer proximity to the Rio Grande. ..Guyer/Wendt.. 12/19/2021 Read more LIVE: spc.noaa.gov
http://dlvr.it/SFgpSn
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)