Severe Severe Storm ● Closed

Severe Thunderstorm Warning issued September 12 at 4:35PM CDT until September 12 at 5:15PM CDT by NWS Norman OK, United States of America

Event time: Sep 12, 2026 21:35 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...
Northwestern Ellis County in northwestern Oklahoma...
Southwestern Harper County in northwestern Oklahoma...

* Until 515 PM CDT.

* At 434 PM CDT, a severe thunderstorm was located 5 miles southwest
of Laverne, moving east at 10 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Locations impacted include...
Laverne and May.

Measurements

Coordinates	36.6960, -99.9060
Region	Ellis, OK; Harper, OK
Location Precision	polygon
Issuing Authority	United States of America — us-noaa-nws-en
Cap Urgency	Immediate
Cap Certainty	Observed
Cap Expires	2026-09-12T17:15:00-05:00

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

This event as JSON · API and licence

Source updated 37 days ago (Sep 12, 2026 21:36 UTC) · we last heard from WMO Alert Hub (national weather services) 20 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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Nearby & related events

Wind Advisory issued October 19 at 1:35PM AKDT until October 20 at 10:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 21 min ago Wind Advisory issued October 19 at 1:35PM AKDT until October 21 at 4:00PM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 21 min ago Wind Advisory issued October 19 at 1:35PM AKDT until October 21 at 4:00AM AKDT by NWS Juneau AK, United States of America Moderate Severe Storm United States active via WMO 21 min ago Winter Weather Advisory issued October 19 at 1:34PM AKDT until October 21 at 4:00AM AKDT by NWS Anchorage AK, United States of America Moderate Cold Wave United States active via WMO 22 min ago Winter Weather Advisory issued October 19 at 1:34PM AKDT until October 20 at 10:00PM AKDT by NWS Anchorage AK, United States of America Moderate Cold Wave United States active via WMO 22 min ago

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.