This alert expired on 10 July 2026 at 00:15 UTC. It is kept here as a record.
It is the 6th strongest of the 19 detections recorded within 20 km of this point since 3 April 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 9 at 6:56PM CDT until July 9 at 7:15PM CDT by NWS Grand Forks ND
Nearby, since 3 April 2026
- June 10, 2026 · score 46 · 13.4 km
- June 10, 2026 · score 46 · 19.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 59 % 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 | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 59% |
| Coordinates | 48.0332, -99.2047 |
| Nearest City | Jamestown (130 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-09T23:56:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.22cf95401247279e6a6213e187dafaa8 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Benson, ND; Benson, ND; Ramsey, ND; Pierce, ND; Wells, ND and 1 more areas |
| Headline | Severe Thunderstorm Warning issued July 9 at 6:56PM CDT until July 9 at 7:15PM CDT by NWS Grand Forks ND |
| Expires | 2026-07-09T19:15:00-05:00 |
| SenderName | NWS Grand Forks ND |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.22cf95401247279e6a6213e187dafaa80996fe61.001.1","noaa_urn:oid:2.49.0.1.840.0.3ca47c9d8b8c8f06bb8c37c9b900c8b18d8a44e2.001.1","noaa_urn:oid:2.49.0.1.840.0.108a5c3c54616ff4177977cdbabebe01b582d3e7.001.1","noaa_urn:oid:2.49.0.1.840.0.b21dc7fdec6236c4cafdcdca1d882c8b38ac3f8a.002.1"] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.