Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0612 AM CDT Tue Mar 17 2026 Valid 171300Z - 181200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Organized thunderstorm activity is not anticipated today. ...Synopsis... The powerful upper trough that produced severe storms along the eastern Seaboard yesterday has moved away, with its associated surface cold front ushering in dry/stable conditions across the CONUS. The only area of some concern for a lightning strike or two would be over south FL and the Keys, in vicinity of the aforementioned cold front. This activity will primarily be offshore, and is expected to remain below 10% coverage. ..Hart/Weinman.. 03/17/2026Read more