Severe Thunderstorm Warning issued September 21 at 4:51PM CDT until September 21 at 5:00PM CDT by NWS Norman OK

**Severe Thunderstorm Warning issued September 21 at 4:51PM CDT until September 21 at 5:00PM CDT by NWS Norman OK**

The storm which prompted the warning has weakened below severe limits, therefore the warning will be allowed to expire.

**Alert Details:**

- **Severity:** Severe

- **Urgency:** Immediate

- **Issued by:** NWS Norman OK

- **Effective:** Sep 21, 2026 4:51 PM UTC

- **Expires:** Sep 21, 2026 5:01 PM UTC

*This alert was automatically distributed from the National Weather Service via the IPAWS All-Hazards Information Feed.*