This alert expired on 9 August 2026 at 23:46 UTC. It is kept here as a record.
No stronger detection stands among the 90 recorded within 20 km of this point since 16 March 2026 — 6 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 9 at 5:36PM MDT until August 9 at 5:45PM MDT by NWS Cheyenne WY
Nearby, since 16 March 2026
- June 23, 2026 · score 22 · 11.4 km
- May 21, 2026 · score 22 · 14.6 km
How we know
Confirmed by 3 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 | 41.6440, -106.6240 |
| Nearest City | Laramie (94 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-09T23:36:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Albany, WY; Carbon, WY |
| Headline | Severe Thunderstorm Warning issued August 9 at 5:36PM MDT until August 9 at 5:45PM MDT by NWS Cheyenne WY |
| Expires | 2026-08-09T17:46:00-06:00 |
| SenderName | NWS Cheyenne WY |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 62 |
| Iem Unit | MPH |
| Iem City | 10 SSW Hanna |
| Iem County | Carbon |
| Iem State | WY |
| Iem Wfo | CYS |
| Iem Remark | Mesonet station WY16 10.5 SW Hanna (WYDOT). |
| MergedSources | [{"id":"iem_G_41.750_-106.510_1786316040000","source":"iem","severity":"low","severityValue":25,"timestamp":1786316040000,"latitude":41.75,"longitude":-106.51},{"id":"iem_G_41.730_-106.650_1786316160000","source":"iem","severity":"low","severityValue":25,"timestamp":1786316160000,"latitude":41.73,"longitude":-106.65}] |
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, near Laramie (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.