Severe Severe Storm ● Closed

Severe Thunderstorm Warning issued September 12 at 5:06PM CDT until September 12 at 5:45PM CDT by NWS Norman OK, United States of America

Event time: Sep 12, 2026 22:06 UTC Last updated: Sep 21, 2026 United States

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

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.

Measurements

Coordinates	36.7125, -99.6113
Region	Harper, OK
Location Precision	polygon
Issuing Authority	United States of America — us-noaa-nws-en
Cap Urgency	Immediate
Cap Certainty	Observed
Cap Expires	2026-09-12T17:45:00-05:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

Also reported by: NWS

This event as JSON · API and licence

Source updated 36 days ago (Sep 12, 2026 22:07 UTC) · we last heard from WMO Alert Hub (national weather services) 56 seconds ago

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Official authorities in United States

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Earlier severe storm events in United States

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Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.