Right now
The most recent data we hold from NOAA arrived 5 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 29 May 2026 at 22:45 UTC. It is kept here as a record.
It is the 5th strongest of the 35 detections recorded within 20 km of this point since 27 April 2026. Another comparable one was recorded here earlier the same day. 15 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 29 at 3:56PM MDT until May 29 at 4:45PM MDT by NWS Goodland KS
Nearby, since 27 April 2026
- May 21, 2026 · score 22 · 8.2 km
- June 9, 2026 · score 46 · 12.6 km
- May 17, 2026 · score 22 · 14.6 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 69 % 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 | 69% |
| Coordinates | 39.1133, -102.7183 |
| Nearest City | Cimarron Hills (174 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-29T21:56:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.55a1ac6c1a3f97e718c6fcfdd6f215e24fc2ac83.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cheyenne, CO; Kit Carson, CO |
| Headline | Severe Thunderstorm Warning issued May 29 at 3:56PM MDT until May 29 at 4:45PM MDT by NWS Goodland KS |
| Expires | 2026-05-29T16:45:00-06:00 |
| SenderName | NWS Goodland KS |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 7 ENE Kit Carson |
| Iem County | Cheyenne |
| Iem State | CO |
| Iem Wfo | GLD |
| Iem Remark | Twitter Report with image and measurement of 1.13 inches. Time Estimated from radar. |
| MergedSources | [{"id":"iem_H_38.800_-102.630_1780089180000","source":"iem","severity":"low","severityValue":25,"timestamp":1780089180000,"latitude":38.8,"longitude":-102.63},{"id":"iem_G_38.850_-103.130_1780089780000","source":"iem","severity":"low","severityValue":25,"timestamp":1780089780000,"latitude":38.85,"longitude":-103.13},{"id":"iem_H_39.030_-102.630_1780091160000","source":"iem","severity":"low","severityValue":25,"timestamp":1780091160000,"latitude":39.03,"longitude":-102.63},{"id":"iem_H_38.790_-102.670_1780089120000","source":"iem","severity":"low","severityValue":25,"timestamp":1780089120000,"latitude":38.79,"longitude":-102.67}] |
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.
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