This alert expired on 8 July 2026 at 23:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 47 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 7 July 2026. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 8 at 4:16PM MDT until July 8 at 5:00PM MDT by NWS Cheyenne WY
An estimated 65,132 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 7, 2026 · score 39 · 18.1 km
- June 24, 2026 · score 39 · 19.3 km
- July 7, 2026 · score 22 · 19.6 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 80 % 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 | 80% |
| Coordinates | 41.3247, -104.3580 |
| Nearest City | Cheyenne (44 km) |
| Population Exposed | 65.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-08T22:16:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7da7c2bb37411020f5410ac813db17ec |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Goshen, WY; Morgan, CO; Weld, CO |
| Headline | Severe Thunderstorm Warning issued July 8 at 4:16PM MDT until July 8 at 5:00PM MDT by NWS Cheyenne WY |
| Expires | 2026-07-08T17:00:00-06:00 |
| SenderName | NWS Cheyenne WY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7da7c2bb37411020f5410ac813db17ec9ea84407.001.1","noaa_urn:oid:2.49.0.1.840.0.6b557c0401a06749a6379c3989d5efa38525eff5.001.1","noaa_urn:oid:2.49.0.1.840.0.1c7673f89b68d28456f51674da6fd181cb4bb798.002.1"] |
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.