This alert expired on 2 July 2026 at 09:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 113 detections recorded within 20 km of this point since 23 April 2026. Another comparable one was recorded here earlier the same day. 12 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 2 at 2:34AM MDT until July 2 at 3:15AM MDT by NWS Cheyenne WY
Nearby, since 23 April 2026
- July 4, 2026 · score 22 · 18.5 km
- July 1, 2026 · score 22 · 21.4 km
- August 10, 2026 · score 22 · 21.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 61% |
| Coordinates | 41.1654, -102.9644 |
| Nearest City | Cheyenne (155 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-02T08:34:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c435aa354a85e55329f4af47ca39325e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cheyenne, NE; Morrill, NE; Logan, CO |
| Headline | Severe Thunderstorm Warning issued July 2 at 2:34AM MDT until July 2 at 3:15AM MDT by NWS Cheyenne WY |
| Expires | 2026-07-02T03:15:00-06:00 |
| SenderName | NWS Cheyenne WY |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c435aa354a85e55329f4af47ca39325eea58e3e2.001.1","noaa_urn:oid:2.49.0.1.840.0.905e6a7e176730ffd17f97a41f066c17884c84c3.001.1","noaa_urn:oid:2.49.0.1.840.0.293a3807aa001061e84673beb663dc15d43d56f8.001.1","noaa_urn:oid:2.49.0.1.840.0.79af00cdb84cb2e014de1f2c436d2de147ece7f1.001.1"] |
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 8 March 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.
Want to know when something happens in this area?
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 185 scientific monitoring sources.