This alert expired on 14 June 2026 at 03:00 UTC. It is kept here as a record.
It is the 19th strongest of the 25 detections recorded within 20 km of this point since 19 May 2026. The last comparable one was on 31 May 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 13 at 8:58PM CDT until June 13 at 10:00PM CDT by NWS Tulsa OK
Nearby, since 19 May 2026
- June 26, 2026 · score 22 · 15.8 km
- August 7, 2026 · score 22 · 26.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 61 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 61% |
| Coordinates | 37.6951, -96.5496 |
| Nearest City | Derby (65 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-14T01:58:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ed612caee45810965c238ab71ab22055 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Osage, OK; Pawnee, OK; Alfalfa, OK; Grant, OK; Kay, OK; Kay, OK; Noble, OK and 8 more areas |
| Headline | Severe Thunderstorm Warning issued June 13 at 8:58PM CDT until June 13 at 10:00PM CDT by NWS Tulsa OK |
| Expires | 2026-06-13T22:00:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| MergedCount | 12 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ed612caee45810965c238ab71ab220551987de7e.001.1","noaa_urn:oid:2.49.0.1.840.0.c2b6380e5d6fd38500d77bca462b9476cbe22776.001.1","noaa_urn:oid:2.49.0.1.840.0.a44a54b9bdb3f459a8b1bd1ef831f74c7b3cee04.001.1","noaa_urn:oid:2.49.0.1.840.0.71922de986a57fa976d05783b8dde3110c9ba351.001.1","noaa_urn:oid:2.49.0.1.840.0.791f24b43978159b5225ea28af804727978a20e8.001.1","noaa_urn:oid:2.49.0.1.840.0.10bb49d70039f5967c188788f6c19388eab7d342.001.1","noaa_urn:oid:2.49.0.1.840.0.8ea22b1adcbecca220434f00d8ee2e9bf0cdd611.002.1","noaa_urn:oid:2.49.0.1.840.0.01a6efa760da61b45459f1b642076e8b01677c97.001.1","noaa_urn:oid:2.49.0.1.840.0.5fcafdda4ef2f42ccb3d7677eea593ddf6cee054.001.1","noaa_urn:oid:2.49.0.1.840.0.9d6ce38ec8c7ded082fabd37971e351c5269cbac.001.1","noaa_urn:oid:2.49.0.1.840.0.7bb512fa505e0f2cc0921d976d38b10d04009ec4.001.1","noaa_urn:oid:2.49.0.1.840.0.1ce0f7a5de94c62f8ab078971f8671e792d418fe.001.1"] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a weather event with CalamityScore 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.