NWS Norman OKSV.W 0889September 12, 2026
Severe Thunderstorm Warning: Harper, OK
The National Weather Service office in Norman issued a severe thunderstorm warning for Harper in Oklahoma, which was in force until 5:45 p.m. local time on September 12. It was the 889th severe thunderstorm warning the NWS office in Norman issued in 2026. Oklahoma had 92 severe thunderstorm warnings in September 2026, against 48 in an average September of 2008-2025 (Oklahoma's severe thunderstorm warnings by year).
ExpiredWarning
In force for 39 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Norman OK
- Area
- Harper
- State
- Oklahoma
- Level
- Warning
- Issued
- 5:06 p.m. CDT, September 12, 2026
- Expires
- 5:45 p.m. CDT, September 12, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KOUN SV.W 0889
- Official source
- National Weather Service: the notice at its source
Severe Thunderstorm Warnings in Oklahoma since 2008Every warning type in Oklahoma
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SVROUN The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Southern Harper County in northwestern Oklahoma... * Until 545 PM CDT. * At 505 PM CDT, a severe thunderstorm was located 7 miles southwest of Selman, moving east at 10 mph. Other severe thunderstorms were located 3 miles east of May and 5 miles south of Laverne. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Laverne, May, and Selman.
What the agency told people to do
For your protection move to an interior room on the lowest floor of a building.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.
The record around this notice
- Severe Thunderstorm Warnings in Oklahoma since 20081,074 a year
- Every warning type in Oklahoma
- Severe Thunderstorm Warning: what it means, and the states that get the most20,005 a year
- NWS notices, September 20262,824 in the month
- The latest from the National Weather Service
- Warning, watch or advisory: the three NWS levels