This alert expired on 25 June 2026 at 21:15 UTC. It is kept here as a record.
No stronger detection stands among the 35 recorded within 20 km of this point since 15 April 2026 — 7 others scored the same. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 25 at 3:19PM CDT until June 25 at 4:15PM CDT by NWS Tulsa OK
An estimated 629,546 people live within 50 km of this point.
Nearby, since 15 April 2026
- April 15, 2026 · score 48 · 12.1 km
- June 25, 2026 · score 48 · 14.7 km
- May 22, 2026 · score 48 · 19.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 76 % 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) | 48 / 100 |
| Our confidence | 76% |
| Coordinates | 36.4820, -95.9380 |
| Nearest City | Owasso (25 km) |
| Population Exposed | 629.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-25T20:19:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.499b2929ff38c8e60a7142a100d906db462c3c1d.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Nowata, OK; Osage, OK; Rogers, OK; Tulsa, OK; Washington, OK |
| Headline | Severe Thunderstorm Warning issued June 25 at 3:19PM CDT until June 25 at 4:15PM CDT by NWS Tulsa OK |
| Expires | 2026-06-25T16:15:00-05:00 |
| SenderName | NWS Tulsa OK |
| HasExactCoords | true |
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 48/100, near Owasso (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.