SPC 1630Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1017 AM CST Wed Jan 21 2026 Valid 211630Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms should occur across parts of east/southeast Texas into the lower Mississippi Valley today and tonight. ...ArkLaTex Region... The persistent upper trough over the eastern states will maintain fast cyclonic flow aloft over the Gulf coast states today. A surface cold front will sag southward across parts of TX/AR/LA and eventually into MS. The air mass ahead of the front is moderately moist, with MUCAPE of less than 500 J/kg. This will result in occasional clusters of thunderstorms, but no severe storms are anticipated. ...South FL... A subtle southern-stream shortwave trough will move across the Gulf and approach FL late tonight. This will result in an increase in the risk of isolated thunderstorms over southeast FL - mainly after midnight. ..Hart/Lyons.. 01/21/2026
