This alert expired on 7 July 2026 at 20:31 UTC. It is kept here as a record.
It is the 4th strongest of the 29 detections recorded within 20 km of this point since 15 March 2026. 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 July 7 at 2:21PM MDT until July 7 at 2:30PM MDT by NWS Cheyenne WY
Nearby, since 15 March 2026
- July 8, 2026 · score 39 · 19.6 km
- June 9, 2026 · score 46 · 20.8 km
How we know
Confirmed by 6 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 | 41.4557, -104.2000 |
| Nearest City | Cheyenne (63 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-07T20:21:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.51acd83e785e3a6737819b328034319bcc17532b.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Laramie, WY |
| Headline | Severe Thunderstorm Warning issued July 7 at 2:21PM MDT until July 7 at 2:30PM MDT by NWS Cheyenne WY |
| Expires | 2026-07-07T14:31:00-06:00 |
| SenderName | NWS Cheyenne WY |
| HasExactCoords | true |
| Iem TypeSummary | W |
| Iem City | 2 W Burns |
| Iem County | Laramie |
| Iem State | WY |
| Iem Wfo | CYS |
| Iem Remark | Report of a landspout west of Burns. |
| MergedSources | [{"id":"iem_R_41.720_-103.670_1783436160000","source":"iem","severity":"low","severityValue":25,"timestamp":1783436160000,"latitude":41.72,"longitude":-103.67},{"id":"iem_R_41.150_-104.130_1783436100000","source":"iem","severity":"low","severityValue":25,"timestamp":1783436100000,"latitude":41.15,"longitude":-104.13},{"id":"iem_W_41.380_-104.330_1783453320000","source":"iem","severity":"low","severityValue":25,"timestamp":1783453320000,"latitude":41.38,"longitude":-104.33},{"id":"iem_R_41.810_-103.670_1783435500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783435500000,"latitude":41.81,"longitude":-103.67},{"id":"iem_W_41.190_-104.390_1783453020000","source":"iem","severity":"low","severityValue":25,"timestamp":1783453020000,"latitude":41.19,"longitude":-104.39}] |
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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.