Day 1 Convective Outlook

Issued: 2026-09-23 00:46 UTC  ·  Valid: 2026-09-23 01:00 – 2026-09-23 12:00 UTC

Summary

Scattered thunderstorms are forecast this evening for parts of the Intermountain West, the Rockies, and the Gulf Coast through the Carolinas. No severe weather is expected during this period.

Product Text

000 ACUS01 KWNS 230046 SWODY1 SPC AC 230045 Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0745 PM CDT Tue Sep 22 2026 Valid 230100Z - 231200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... No severe threat is forecast across the continental U.S. through daybreak on Wednesday. ...DISCUSSION... At mid-levels, water vapor imagery shows a ridge in place over the south-central U.S., with a trough located in the Intermountain West. Ahead of the trough, scattered thunderstorms will persist over a weakly unstable airmass from this evening into tonight in parts of the Intermountain West and Rockies. Scattered thunderstorms will also persist within a moist airmass this evening over parts of the Gulf Coast northeastward into the Carolinas. No severe threat is expected through daybreak on Wednesday. ..Broyles.. 09/23/2026 $$