NOAA NWS / Event history
Severe Thunderstorm Warning issued October 13 at 7:47PM CDT until October 13 at 8:00PM CDT by NWS Norman OK
Severe Thunderstorm Warning · Ellis, OK; Harper, OK. Severe; observed; urgency: immediate.
- Bulletin issued
- 14 October 2026 at 00:47 UTC
- First saved by us
- 14 October 2026 at 00:28 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 update
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 · Ellis, OK; Harper, OK
- Certainty / urgency
- Observed / Immediate
- Message expiry (not hazard end)
- 14 October 2026 at 01:00 UTC
- Forecast onset / end
- 14 October 2026 at 00:47 UTC / 14 October 2026 at 01:00 UTC
Archived official description
At 747 PM CDT, severe thunderstorms were located along a line extending from 6 miles east of Rosston to 8 miles south of Laverne, moving northeast at 35 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... Laverne, Buffalo, May, Rosston, and Catesby.
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
2 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.
Showing 2 changes
Saved by us
Version 3
6 recorded details changed
- Title
- Before
Severe Thunderstorm Warning issued October 13 at 7:37PM CDT until October 13 at 8:00PM CDT by NWS Norman OK
AfterSevere Thunderstorm Warning issued October 13 at 7:47PM CDT until October 13 at 8:00PM CDT by NWS Norman OK
- Source updated
- Before
14 October 2026 at 00:37 UTC
After14 October 2026 at 00:47 UTC
- Effective from
- Before
14 October 2026 at 00:37 UTC
After14 October 2026 at 00:47 UTC
- Forecast onset
- Before
14 October 2026 at 00:37 UTC
After14 October 2026 at 00:47 UTC
- Official description
- Before
At
736 PM CDT, severe thunderstorms were located near Laverne and 10 miles northeast of Follett Texas, moving northeast at 65mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicle…AfterAt 747 PM CDT, severe thunderstorms were located along a line extending from 6 miles east of Rosston to 8 miles south of Laverne, moving northeast at 35 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicle…
- External source link
- Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.feac17bff9fe468ce8b6b998822362a768631d5f.001.1
Afterhttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d8ccee13dc47701537943bf5c75252d0bda49918.001.1
Bulletin issued: 14 October 2026 at 00:47 UTC
View saved version 3
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:46f2ee998d78a3dd6c1a2cfe", "authorityId": "urn:oid:2.49.0.1.840.0.d8ccee13dc47701537943bf5c75252d0bda49918.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.4e495f7234c543b072b2d2d3b8cfb16d42fbb7c3.001.1", "sender": "w-nws.webmaster@noaa.gov" }, { "identifier": "urn:oid:2.49.0.1.840.0.feac17bff9fe468ce8b6b998822362a768631d5f.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Severe Thunderstorm Warning issued October 13 at 7:47PM CDT until October 13 at 8:00PM CDT by NWS Norman OK", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-14T00:47:00.000Z", "issuedAt": "2026-10-14T00:47:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-14T00:47:00.000Z", "onsetAt": "2026-10-14T00:47:00.000Z", "expiresAt": "2026-10-14T01:00:00.000Z", "forecastEndAt": "2026-10-14T01:00:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Observed", "messageType": "Update", "status": "Source update", "place": "Ellis, OK; Harper, OK", "coordinates": null, "issuer": "NWS Norman OK", "summary": "Severe Thunderstorm Warning · Ellis, OK; Harper, OK. Severe; observed; urgency: immediate.", "description": "At 747 PM CDT, severe thunderstorms were located along a line\nextending from 6 miles east of Rosston to 8 miles south of Laverne,\nmoving northeast at 35 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 to\nroofs, siding, and trees.\n\nLocations impacted include...\nLaverne, Buffalo, May, Rosston, and Catesby.", "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.d8ccee13dc47701537943bf5c75252d0bda49918.001.1", "source": "nws", "sourceName": "NOAA NWS" }Visit the external source ↗The external page may have changed since this version was saved.
Saved by us
Version 2
Source status changed
- Title
- Before
Severe Thunderstorm Warning issued October 13 at 7:14PM CDT until October 13 at 8:00PM CDT by NWS Norman OK
AfterSevere Thunderstorm Warning issued October 13 at 7:37PM CDT until October 13 at 8:00PM CDT by NWS Norman OK
- Source updated
- Before
14 October 2026 at 00:14 UTC
After14 October 2026 at 00:37 UTC
- Effective from
- Before
14 October 2026 at 00:14 UTC
After14 October 2026 at 00:37 UTC
- Forecast onset
- Before
14 October 2026 at 00:14 UTC
After14 October 2026 at 00:37 UTC
- Message type
- Before
Alert
AfterUpdate
- Source status
- Before
Source alert
AfterSource update
- Official description
- Before
SVROUN The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Northwestern Ellis County in northwestern Oklahoma... Western Harper County in northwestern Oklahoma... * Until 800 PM CDT. * At 714 PM CDT, a severe thunderstorm was located 7 miles east of Slapout, moving northeast at 35 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... Laverne, Buffalo, May, Rosston, and Catesby.AfterAt 736 PM CDT, severe thunderstorms were located near Laverne and 10 miles northeast of Follett Texas, moving northeast at 65 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... Laverne, Buffalo, May, Rosston, and Catesby.
- External source link
- Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4e495f7234c543b072b2d2d3b8cfb16d42fbb7c3.001.1
Afterhttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.feac17bff9fe468ce8b6b998822362a768631d5f.001.1
Bulletin issued: 14 October 2026 at 00:37 UTC
View saved version 2
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:cee053822651cf44f7f40e43", "authorityId": "urn:oid:2.49.0.1.840.0.feac17bff9fe468ce8b6b998822362a768631d5f.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.4e495f7234c543b072b2d2d3b8cfb16d42fbb7c3.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Severe Thunderstorm Warning issued October 13 at 7:37PM CDT until October 13 at 8:00PM CDT by NWS Norman OK", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-14T00:37:00.000Z", "issuedAt": "2026-10-14T00:37:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-14T00:37:00.000Z", "onsetAt": "2026-10-14T00:37:00.000Z", "expiresAt": "2026-10-14T01:00:00.000Z", "forecastEndAt": "2026-10-14T01:00:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Observed", "messageType": "Update", "status": "Source update", "place": "Ellis, OK; Harper, OK", "coordinates": null, "issuer": "NWS Norman OK", "summary": "Severe Thunderstorm Warning · Ellis, OK; Harper, OK. Severe; observed; urgency: immediate.", "description": "At 736 PM CDT, severe thunderstorms were located near Laverne and 10\nmiles northeast of Follett Texas, moving northeast at 65 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 to\nroofs, siding, and trees.\n\nLocations impacted include...\nLaverne, Buffalo, May, Rosston, and Catesby.", "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.feac17bff9fe468ce8b6b998822362a768631d5f.001.1", "source": "nws", "sourceName": "NOAA NWS" }Visit the external source ↗The external page may have changed since this version was saved.
First saved record · 14 October 2026 at 00:28 UTC
Saved by us
Starting point
First saved record
Our first saved version of Severe Thunderstorm Warning issued October 13 at 7:14PM CDT until October 13 at 8:00PM CDT by NWS Norman OK. We have no earlier saved version to compare.
Bulletin issued: 14 October 2026 at 00:14 UTC
View saved version 1
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:7deb6ad5f480e5bafbbbea2c", "authorityId": "urn:oid:2.49.0.1.840.0.4e495f7234c543b072b2d2d3b8cfb16d42fbb7c3.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [], "category": "weather", "title": "Severe Thunderstorm Warning issued October 13 at 7:14PM CDT until October 13 at 8:00PM CDT by NWS Norman OK", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-14T00:14:00.000Z", "issuedAt": "2026-10-14T00:14:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-14T00:14:00.000Z", "onsetAt": "2026-10-14T00:14:00.000Z", "expiresAt": "2026-10-14T01:00:00.000Z", "forecastEndAt": "2026-10-14T01:00:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Observed", "messageType": "Alert", "status": "Source alert", "place": "Ellis, OK; Harper, OK", "coordinates": null, "issuer": "NWS Norman OK", "summary": "Severe Thunderstorm Warning · Ellis, OK; 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 Ellis County in northwestern Oklahoma...\nWestern Harper County in northwestern Oklahoma...\n\n* Until 800 PM CDT.\n\n* At 714 PM CDT, a severe thunderstorm was located 7 miles east of\nSlapout, moving northeast at 35 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...\nLaverne, Buffalo, May, Rosston, and Catesby.", "instruction": "For your protection move to an interior room on the lowest floor of a\nbuilding.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4e495f7234c543b072b2d2d3b8cfb16d42fbb7c3.001.1", "source": "nws", "sourceName": "NOAA NWS" }Visit the external source ↗The external page may have changed since this version was saved.