This alert expired on 22 June 2026 at 05:30 UTC. It is kept here as a record.
It is the strongest of the 36 detections recorded within 20 km of this point since 17 April 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 22 at 12:20AM CDT until June 22 at 12:30AM CDT by NWS Norman OK
An estimated 51,776 people live within 50 km of this point.
Nearby, since 17 April 2026
- August 7, 2026 · score 39 · 17.7 km
- June 4, 2026 · score 39 · 22.6 km
- August 6, 2026 · score 16 · 25.0 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 63 out of 100, at 89 % 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) | 63 / 100 |
| Our confidence | 89% |
| Coordinates | 36.6934, -97.9949 |
| Nearest City | Enid (34 km) |
| Population Exposed | 51.8K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-22T05:20:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.e007af409950d1bcb95436898998e4ff |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Major, OK; Woods, OK; Grant, OK; Kay, OK |
| Headline | Tornado Warning issued June 22 at 12:20AM CDT until June 22 at 12:30AM CDT by NWS Norman OK |
| Expires | 2026-06-22T00:30:00-05:00 |
| SenderName | NWS Norman OK |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e007af409950d1bcb95436898998e4ff705feff2.001.1","noaa_urn:oid:2.49.0.1.840.0.05157ac48621b8b418e47431de997549c91f9ee2.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 60 |
| Iem Unit | MPH |
| Iem City | 1 SSW Harper |
| Iem County | Harper |
| Iem State | KS |
| Iem Wfo | ICT |
| Iem Remark | Multiple 1.5-2 inch tree limbs broken. |
| MergedSources | [{"id":"iem_H_37.280_-98.040_1782101580000","source":"iem","severity":"low","severityValue":25,"timestamp":1782101580000,"latitude":37.28,"longitude":-98.04},{"id":"iem_G_37.280_-98.030_1782101700000","source":"iem","severity":"low","severityValue":25,"timestamp":1782101700000,"latitude":37.28,"longitude":-98.03}] |
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.
Calamity.live data shows a weather event with CalamityScore 63/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.