This alert expired on 22 May 2026 at 04:30 UTC. It is kept here as a record.
It is the 5th strongest of the 38 detections recorded within 20 km of this point since 11 April 2026. Another comparable one was recorded here earlier the same day. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 21 at 9:42PM MDT until May 21 at 10:30PM MDT by NWS Goodland KS
Nearby, since 11 April 2026
- May 17, 2026 · score 22 · 3.2 km
- May 21, 2026 · score 22 · 7.6 km
- May 17, 2026 · score 46 · 23.2 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 71 % 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) | 22 / 100 |
| Our confidence | 71% |
| Coordinates | 39.1940, -102.8680 |
| Nearest City | Cimarron Hills (163 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-22T03:42:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.52e3b55715017a2cb69ab9a7fb1818bbdbe77895.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Kit Carson, CO |
| Headline | Severe Thunderstorm Warning issued May 21 at 9:42PM MDT until May 21 at 10:30PM MDT by NWS Goodland KS |
| Expires | 2026-05-21T22:30:00-06:00 |
| SenderName | NWS Goodland KS |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 2.5 |
| Iem Unit | Inch |
| Iem City | 7 NNW Stratton |
| Iem County | Kit Carson |
| Iem State | CO |
| Iem Wfo | GLD |
| MergedSources | [{"id":"iem_H_39.380_-102.600_1779415800000","source":"iem","severity":"low","severityValue":25,"timestamp":1779415800000,"latitude":39.38,"longitude":-102.6},{"id":"iem_H_39.360_-102.430_1779418080000","source":"iem","severity":"low","severityValue":25,"timestamp":1779418080000,"latitude":39.36,"longitude":-102.43},{"id":"iem_H_39.400_-102.630_1779414900000","source":"iem","severity":"low","severityValue":25,"timestamp":1779414900000,"latitude":39.4,"longitude":-102.63}] |
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.