This alert expired on 29 June 2026 at 08:00 UTC. It is kept here as a record.
It is the strongest of the 25 detections recorded within 20 km of this point since 17 April 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 29 at 2:18AM CDT until June 29 at 3:00AM CDT by NWS Grand Forks ND
Nearby, since 17 April 2026
- July 9, 2026 · score 22 · 7.4 km
- July 9, 2026 · score 22 · 9.9 km
- July 9, 2026 · score 22 · 15.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 65 % 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 | 65% |
| Coordinates | 48.3600, -99.0088 |
| Nearest City | Grand Forks (154 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-29T07:18:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.8a10f887c43c6c17bb9ad9dd72e3072a6c2b79cb.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Ramsey, ND |
| Headline | Tornado Warning issued June 29 at 2:18AM CDT until June 29 at 3:00AM CDT by NWS Grand Forks ND |
| Expires | 2026-06-29T03:00:00-05:00 |
| SenderName | NWS Grand Forks ND |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 62 |
| Iem Unit | MPH |
| Iem City | 6.4 W Churchs Ferry |
| Iem County | Benson |
| Iem State | ND |
| Iem Wfo | FGF |
| Iem Remark | NDDOT site measured a 62 mph wind gust 6.4 miles west of Churchs Ferry, ND. |
| MergedSources | [{"id":"iem_G_48.270_-99.330_1782718200000","source":"iem","severity":"low","severityValue":25,"timestamp":1782718200000,"latitude":48.27,"longitude":-99.33}] |
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.