SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0648 PM CST Wed Jan 21 2026 Valid 220100Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms may occur across parts of far east Texas into the lower Mississippi Valley today and tonight. Additionally, a few lightning strikes may be possible late tonight across southeast Florida. ... 01Z Update... Severe thunderstorms are not expected across the United States this evening and tonight. A few lightning strikes may be possible across a couple different areas. ... Far East Texas into the Lower Mississippi Valley ... A mid-level short-wave trough continues to through the larger-scale eastern US trough. Modest low-level warm advection associated with this short-wave trough will continue to support showers and a lightning strike or two across the area tonight. ... Southeast Florida ... A subtle short-wave trough and associated mid-level speed maximum will move northeast from the Gulf across northern Florida within the subtropical jet. Modest large-scale ascent associated with the right entrance region of this speed max may support showers and perhaps a thunderstorm or two very late tonight. ..Marsh.. 01/22/2026
