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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.

Saturday, November 19, 2022

SPC Nov 19, 2022 0600 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1148 PM CST Fri Nov 18 2022 Valid 191200Z - 201200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated lightning strikes will be possible today across the lower Great Lakes associated with lake-effect snowbands. A few thunderstorms could also develop across south Florida. Elsewhere, thunderstorms are not expected today or tonight. ...DISCUSSION... A large-scale troughing pattern will be in place across the eastern two-thirds of the continental United States today. An upper-level trough will move across the Mississippi Valley, as mid-level flow remains from the west-southwest across the Gulf Coast region. At the surface, a high pressure area will remain anchored across much of the central and eastern states. This will keep a dry and cool airmass in place over much of the continental United States. A few thunderstorms could occur across south Florida. Lightning strikes are also possible in the lower Great Lakes in association with lake-effect snowbands. Elsewhere, no organized thunderstorms are expected today or tonight. ..Broyles/Squitieri.. 11/19/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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