This alert expired on 22 June 2026 at 22:00 UTC. It is kept here as a record.
No stronger detection stands among the 41 recorded within 20 km of this point since 9 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 22 at 3:51PM MDT until June 22 at 4:00PM MDT by NWS Rapid City SD
Nearby, since 9 March 2026
- March 9, 2026 · score 28 · 14.3 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 67 % 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) | 46 / 100 |
| Our confidence | 67% |
| Coordinates | 43.5733, -105.4400 |
| Nearest City | Gillette (80 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-22T21:51:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Campbell, WY |
| Headline | Tornado Warning issued June 22 at 3:51PM MDT until June 22 at 4:00PM MDT by NWS Rapid City SD |
| Expires | 2026-06-22T16:00:00-06:00 |
| SenderName | NWS Rapid City SD |
| HasExactCoords | true |
| Iem TypeSummary | T |
| Iem City | 5 SSE Savageton |
| Iem County | Campbell |
| Iem State | WY |
| Iem Wfo | UNR |
| Iem Remark | Photos taken along Highway 50 relayed from the public by emergency management. Intermittant tornado touchdowns now span 235 PM to 303 PM on this storm. Most photos showing defined funnel cloud with or |
| MergedSources | [{"id":"iem_T_43.890_-105.920_1782160500000","source":"iem","severity":"low","severityValue":25,"timestamp":1782160500000,"latitude":43.89,"longitude":-105.92},{"id":"iem_T_43.860_-105.840_1782161280000","source":"iem","severity":"low","severityValue":25,"timestamp":1782161280000,"latitude":43.86,"longitude":-105.84},{"id":"iem_G_43.920_-105.980_1782161040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782161040000,"latitude":43.92,"longitude":-105.98},{"id":"iem_T_43.800_-105.750_1782162180000","source":"iem","severity":"low","severityValue":25,"timestamp":1782162180000,"latitude":43.8,"longitude":-105.75}] |
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 46/100, near Gillette (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.