Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0633 PM CST Thu Dec 04 2025 Valid 050100Z - 051200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... A few thunderstorms are expected near/along the northern Gulf Coast tonight. ...01z Update... Low-amplitude short-wave trough is advancing east-northeast across the lower MS Valley early this evening. A corridor of weak convection is noted ahead of this feature from southeast LA into southwest AL. The deepest, more robust updrafts over southeast LA are generating a few flashes of lightning. Surface-based buoyancy is not expected to materialize inland through sunrise, and any thunderstorm activity near the Gulf Coast will be driven in large part by warm advection, and should remain elevated. Midlevel instability appears too weak to warrant any meaningful risk for severe. ..Darrow.. 12/05/2025Read more