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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, November 18, 2022

SPC Nov 18, 2022 0700 UTC Day 2 Convective Outlook

LIVE MAP (ABOVE) ... SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1057 PM CST Thu Nov 17 2022 Valid 191200Z - 201200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... The risk for severe thunderstorms appears negligible across the U.S. Saturday through Saturday night. ...Synopsis... An upper level trough over the Upper Midwest vicinity will pivot eastward on Saturday, becoming oriented from the lower Great Lakes to the Mid-Atlantic. A cool and dry boundary-layer will be in place across much of the U.S. from the Plains to the East Coast, precluding thunderstorm activity despite an eastward-advancing cold front across the Midwest. The exception may be near Lakes Erie and Ontario, where warm lake waters and convective heavy snow bands could result in isolated lightning flashes. An isolated thunderstorm or two also will be possible across far south TX as another cold front shifts offshore into the Gulf Saturday morning. Severe thunderstorms are not expected. ..Leitman.. 11/18/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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