This alert expired on 7 June 2026 at 03:45 UTC. It is kept here as a record.
No stronger detection stands among the 64 recorded within 20 km of this point since 15 March 2026 — 24 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 6 at 9:35PM MDT until June 6 at 9:45PM MDT by NWS Cheyenne WY
An estimated 65,132 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 9, 2026 · score 39 · 7.7 km
- June 24, 2026 · score 39 · 10.5 km
- August 12, 2026 · score 39 · 16.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 81 % 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) | 39 / 100 |
| Our confidence | 81% |
| Coordinates | 41.1686, -104.4214 |
| Nearest City | Cheyenne (34 km) |
| Population Exposed | 65.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-07T03:35:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.e9c713363910639ae1e78bf81ab34b9c69a58daf.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Laramie, WY |
| Headline | Severe Thunderstorm Warning issued June 6 at 9:35PM MDT until June 6 at 9:45PM MDT by NWS Cheyenne WY |
| Expires | 2026-06-06T21:45:00-06:00 |
| SenderName | NWS Cheyenne WY |
| 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 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 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.