This alert expired on 24 June 2026 at 00:30 UTC. It is kept here as a record.
No stronger detection stands among the 59 recorded within 20 km of this point since 2 April 2026 — 2 others scored the same. The last comparable one was on 10 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 23 at 6:43PM CDT until June 23 at 7:30PM CDT by NWS Grand Forks ND
Nearby, since 2 April 2026
- June 24, 2026 · score 46 · 6.3 km
- July 3, 2026 · score 22 · 8.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 64 % 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 | 64% |
| Coordinates | 47.3757, -95.1671 |
| Nearest City | Moorhead (134 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-23T23:43:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3bbf2ebac5fa662f6dc880303e785b0e50356661.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clearwater, MN; Hubbard, MN |
| Headline | Tornado Warning issued June 23 at 6:43PM CDT until June 23 at 7:30PM CDT by NWS Grand Forks ND |
| Expires | 2026-06-23T19:30:00-05:00 |
| SenderName | NWS Grand Forks ND |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1.25 |
| Iem Unit | Inch |
| Iem City | 4 NNE Richwood |
| Iem County | Becker |
| Iem State | MN |
| Iem Wfo | FGF |
| Iem Remark | Time estimated from radar. Noted lots of smaller hail with a few stones larger than quarters. |
| MergedSources | [{"id":"iem_H_47.020_-95.790_1782250980000","source":"iem","severity":"low","severityValue":25,"timestamp":1782250980000,"latitude":47.02,"longitude":-95.79}] |
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.