This alert expired on 23 May 2026 at 03:15 UTC. It is kept here as a record.
It is the strongest of the 9 detections recorded within 20 km of this point since 9 April 2026. The last comparable one was on 9 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 22 at 9:09PM CDT until May 22 at 10:15PM CDT by NWS Amarillo TX
An estimated 213,646 people live within 50 km of this point.
Nearby, since 9 April 2026
- July 25, 2026 · score 37 · 5.1 km
- July 24, 2026 · score 37 · 19.0 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 35.5800, -101.8580 |
| Nearest City | Dumas (34 km) |
| Population Exposed | 213.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-23T02:09:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.98f3b9446df79ffdea997ec36b943ac3dad5fd97.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Moore, TX; Potter, TX |
| Headline | Severe Thunderstorm Warning issued May 22 at 9:09PM CDT until May 22 at 10:15PM CDT by NWS Amarillo TX |
| Expires | 2026-05-22T22:15:00-05:00 |
| SenderName | NWS Amarillo TX |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1.75 |
| Iem Unit | Inch |
| Iem City | 2 W Bushland |
| Iem County | Potter |
| Iem State | TX |
| Iem Wfo | AMA |
| MergedSources | [{"id":"iem_H_35.200_-102.040_1779498300000","source":"iem","severity":"low","severityValue":25,"timestamp":1779498300000,"latitude":35.2,"longitude":-102.04},{"id":"iem_H_35.190_-102.100_1779498000000","source":"iem","severity":"low","severityValue":25,"timestamp":1779498000000,"latitude":35.19,"longitude":-102.1}] |
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 8 March 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 in this area?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.