This alert expired on 17 May 2026 at 23:00 UTC. It is kept here as a record.
It is the 9th strongest of the 67 detections recorded within 20 km of this point since 11 April 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 17 at 4:11PM MDT until May 17 at 5:00PM MDT by NWS Goodland KS
Nearby, since 11 April 2026
- June 9, 2026 · score 46 · 6.9 km
- May 21, 2026 · score 22 · 14.4 km
- May 29, 2026 · score 22 · 17.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 58 % 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) | 22 / 100 |
| Our confidence | 58% |
| Coordinates | 39.1440, -102.6240 |
| Nearest City | Cimarron Hills (182 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-17T22:11:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7d14f3e2c3aabbbd15b0da3a6748b6a43bf435db.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cheyenne, CO; Kit Carson, CO |
| Headline | Severe Thunderstorm Warning issued May 17 at 4:11PM MDT until May 17 at 5:00PM MDT by NWS Goodland KS |
| Expires | 2026-05-17T17:00:00-06:00 |
| SenderName | NWS Goodland KS |
| 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 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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.