This alert expired on 26 June 2026 at 00:15 UTC. It is kept here as a record.
No stronger detection stands among the 12 recorded within 20 km of this point since 24 April 2026 — 2 others scored the same. The last comparable one was on 22 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 25 at 6:43PM CDT until June 25 at 7:15PM CDT by NWS Tulsa OK
An estimated 199,851 people live within 50 km of this point.
Nearby, since 24 April 2026
- June 7, 2026 · score 43 · 16.4 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 83 % 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) | 43 / 100 |
| Our confidence | 83% |
| Coordinates | 35.8614, -94.1914 |
| Nearest City | Fayetteville (22 km) |
| Population Exposed | 199.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-25T23:43:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3c127d5b824270dcdca153ffb1c4b78c75b8e492.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Washington, AR |
| Headline | Severe Thunderstorm Warning issued June 25 at 6:43PM CDT until June 25 at 7:15PM CDT by NWS Tulsa OK |
| Expires | 2026-06-25T19:15:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 70 |
| Iem Unit | MPH |
| Iem City | Tahlequah |
| Iem County | Cherokee |
| Iem State | OK |
| Iem Wfo | TSA |
| MergedSources | [{"id":"iem_G_35.910_-94.970_1782428280000","source":"iem","severity":"low","severityValue":25,"timestamp":1782428280000,"latitude":35.91,"longitude":-94.97}] |
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 43/100, near Fayetteville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.