This alert expired on 10 June 2026 at 03:15 UTC. It is kept here as a record.
No stronger detection stands among the 24 recorded within 20 km of this point since 23 April 2026 — 8 others scored the same. The last comparable one was on 8 June 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 9 at 9:35PM CDT until June 9 at 10:15PM CDT by NWS Grand Forks ND
Nearby, since 23 April 2026
- July 17, 2026 · score 46 · 12.0 km
- June 10, 2026 · score 46 · 13.7 km
- July 9, 2026 · score 22 · 19.3 km
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 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 | Critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 61% |
| Coordinates | 48.0691, -99.4591 |
| Nearest City | Minot (138 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-10T02:35:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cfdae081f326542e0d794d64e7af184cc73a0075.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Benson, ND |
| Headline | Tornado Warning issued June 9 at 9:35PM CDT until June 9 at 10:15PM CDT by NWS Grand Forks ND |
| Expires | 2026-06-09T22:15:00-05:00 |
| SenderName | NWS Grand Forks ND |
| 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 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 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.