This alert expired on 25 June 2026 at 23:45 UTC. It is kept here as a record.
No stronger detection stands among the 296 recorded within 20 km of this point since 12 March 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 25 at 5:32PM MDT until June 25 at 5:45PM MDT by NWS Cheyenne WY
An estimated 97,290 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 12, 2026 · score 39 · 8.2 km
- March 15, 2026 · score 45 · 10.9 km
- August 27, 2026 · score 45 · 17.3 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 63 out of 100, at 88 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 88% |
| Coordinates | 41.2183, -105.0067 |
| Nearest City | Cheyenne (18 km) |
| Population Exposed | 97.3K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-25T23:32:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.22ed8032fb44ce22f13ac84d22a86a7b300156b4.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Laramie, WY |
| Headline | Tornado Warning issued June 25 at 5:32PM MDT until June 25 at 5:45PM MDT by NWS Cheyenne WY |
| Expires | 2026-06-25T17:45:00-06:00 |
| SenderName | NWS Cheyenne WY |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 68 |
| Iem Unit | MPH |
| Iem City | 7 E Laramie |
| Iem County | Albany |
| Iem State | WY |
| Iem Wfo | CYS |
| Iem Remark | Pilot Hill Mesonet. |
| MergedSources | [{"id":"iem_G_41.290_-105.580_1782429420000","source":"iem","severity":"low","severityValue":25,"timestamp":1782429420000,"latitude":41.29,"longitude":-105.58},{"id":"iem_G_41.310_-105.450_1782429000000","source":"iem","severity":"low","severityValue":25,"timestamp":1782429000000,"latitude":41.31,"longitude":-105.45}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 63/100, near Cheyenne (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.