NOAA NWS / Event history
Severe Thunderstorm Warning issued October 13 at 6:59PM CDT until October 13 at 7:45PM CDT by NWS Norman OK
Severe Thunderstorm Warning · Harper, OK. Severe; observed; urgency: immediate.
- Bulletin issued
- 13 October 2026 at 23:59 UTC
- First saved by us
- 14 October 2026 at 00:13 UTC
- Last included in a daily record
- 14 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
- Source classification
- Severe · Source alert
A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.
- Issuer / area
- NWS Norman OK · Harper, OK
- Certainty / urgency
- Observed / Immediate
- Message expiry (not hazard end)
- 14 October 2026 at 00:45 UTC
- Forecast onset / end
- 13 October 2026 at 23:59 UTC / 14 October 2026 at 00:45 UTC
Archived official description
SVROUN The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Northwestern Harper County in northwestern Oklahoma... * Until 745 PM CDT. * At 659 PM CDT, a severe thunderstorm was located 7 miles west of Buffalo, moving northeast at 50 mph. 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... Buffalo.
Instructions in this archived message
For your protection move to an interior room on the lowest floor of a building.
The saved record
What changed
0 updates · 1 first record
Each update compares two versions we saved. This may not include every update from the source. A missing report does not mean an event has ended.
First saved record · 14 October 2026 at 00:13 UTC
Saved by us
Starting point
First saved record
Our first saved version of Severe Thunderstorm Warning issued October 13 at 6:59PM CDT until October 13 at 7:45PM CDT by NWS Norman OK. We have no earlier saved version to compare.
Bulletin issued: 13 October 2026 at 23:59 UTC
View saved version 1
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:7cb8175e3050627a5e335209", "authorityId": "urn:oid:2.49.0.1.840.0.f45474ae71ae2b687cafccc147edd84bb8f3bd35.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [], "category": "weather", "title": "Severe Thunderstorm Warning issued October 13 at 6:59PM CDT until October 13 at 7:45PM CDT by NWS Norman OK", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-13T23:59:00.000Z", "issuedAt": "2026-10-13T23:59:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-13T23:59:00.000Z", "onsetAt": "2026-10-13T23:59:00.000Z", "expiresAt": "2026-10-14T00:45:00.000Z", "forecastEndAt": "2026-10-14T00:45:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Observed", "messageType": "Alert", "status": "Source alert", "place": "Harper, OK", "coordinates": null, "issuer": "NWS Norman OK", "summary": "Severe Thunderstorm Warning · Harper, OK. Severe; observed; urgency: immediate.", "description": "SVROUN\n\nThe National Weather Service in Norman has issued a\n\n* Severe Thunderstorm Warning for...\nNorthwestern Harper County in northwestern Oklahoma...\n\n* Until 745 PM CDT.\n\n* At 659 PM CDT, a severe thunderstorm was located 7 miles west of\nBuffalo, moving northeast at 50 mph.\n\nHAZARD...60 mph wind gusts and half dollar size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Hail damage to vehicles is expected. Expect wind damage\nto roofs, siding, and trees.\n\n* Locations impacted include...\nBuffalo.", "instruction": "For your protection move to an interior room on the lowest floor of a\nbuilding.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f45474ae71ae2b687cafccc147edd84bb8f3bd35.001.1", "source": "nws", "sourceName": "NOAA NWS" }Visit the external source ↗The external page may have changed since this version was saved.