This alert expired on 27 June 2026 at 01:45 UTC. It is kept here as a record.
No stronger detection stands among the 34 recorded within 20 km of this point since 15 April 2026 — one other 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: Tornado Warning issued June 26 at 8:28PM CDT until June 26 at 8:45PM CDT by NWS Norman OK
An estimated 48,967 people live within 50 km of this point.
Nearby, since 15 April 2026
- June 14, 2026 · score 39 · 9.4 km
- June 24, 2026 · score 39 · 14.0 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 58 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 | critical |
| Calamity Score (ours) | 58 / 100 |
| Our confidence | 83% |
| Coordinates | 36.2186, -96.9457 |
| Nearest City | Stillwater (15 km) |
| Population Exposed | 49.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-27T01:28:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0f1b5a908863b0b049cedc1df1890c4ae07f428b.002.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Payne, OK |
| Headline | Tornado Warning issued June 26 at 8:28PM CDT until June 26 at 8:45PM CDT by NWS Norman OK |
| Expires | 2026-06-26T20:45:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 3 W Kildare |
| Iem County | Kay |
| Iem State | OK |
| Iem Wfo | OUN |
| Iem Remark | Report from mPING: Quarter (1.00 in.). |
| MergedSources | [{"id":"iem_H_36.800_-97.100_1782520140000","source":"iem","severity":"low","severityValue":25,"timestamp":1782520140000,"latitude":36.8,"longitude":-97.1}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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.
Want to know when something happens near Stillwater?
Calamity.live data shows a weather event with CalamityScore 58/100, near Stillwater (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.