This alert expired on 8 June 2026 at 00:15 UTC. It is kept here as a record.
It is the strongest of the 56 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 15 May 2026.
What the source measured
NOAA reported: Tornado Warning issued June 7 at 5:30PM MDT until June 7 at 6:15PM MDT by NWS Rapid City SD
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 60 % 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 | 60% |
| Coordinates | 45.9020, -103.5440 |
| Nearest City | Dickinson (123 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-07T23:30:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Harding, SD |
| Headline | Tornado Warning issued June 7 at 5:30PM MDT until June 7 at 6:15PM MDT by NWS Rapid City SD |
| Expires | 2026-06-07T18:15:00-06:00 |
| SenderName | NWS Rapid City SD |
| HasExactCoords | true |
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 Dickinson (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.