SPC 1200Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1258 AM CDT Wed Sep 30 2020 Valid 301200Z - 011200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected today and tonight across the continental United States. ...DISCUSSION... A broad cyclonic mid-level flow pattern will be in place across the eastern two-thirds of the U.S. today. At the surface, high pressure will be in place along the Gulf Coast. This will limit thunderstorm activity across the Southeast except for central and southern Florida. Additional storms may develop in parts of the Great Lakes as an upper-level trough moves across the region. A few storms may also occur along the coast of New England early in the day. Instability should be too weak in these three areas for a severe threat. Elsewhere, thunderstorm activity is not expected across the U.S. today and tonight. ..Broyles/Bentley.. 09/30/2020
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