Reported by SPC today.
It is the 3rd strongest of the 22 detections recorded within 20 km of this point since 1 April 2026. The last comparable one was on 17 August 2026.
What the source measured
SPC reported: Wind UNK kt near 7 ENE Haynes, Adams, ND. HAM operator relays photo of a house with roof damage 15 miles east of Hettinger... ND. Metal roof was partially peeled back. Time estimated by radar. (BIS)
Nearby, since 1 April 2026
- August 12, 2026 · score 22 · 16.9 km
- July 9, 2026 · score 22 · 22.6 km
How we know
Confirmed by 4 independent sources, including SPC.
Our own score for this event is 22 out of 100, at 64 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 64% |
| Coordinates | 46.0000, -102.3200 |
| Nearest City | Dickinson (104 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-31T03:17:14.691Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 7 ENE Haynes |
| County | Adams |
| State | ND |
| Comments | HAM operator relays photo of a house with roof damage 15 miles east of Hettinger... ND. Metal roof was partially peeled back. Time estimated by radar. (BIS) |
| Iem TypeSummary | D |
| Iem City | 7 ENE Haynes |
| Iem County | Adams |
| Iem State | ND |
| Iem Wfo | BIS |
| Iem Remark | HAM operator relays photo of a house with roof damage 15 miles east of Hettinger, ND. Metal roof was partially peeled back. Time estimated by radar. |
| MergedSources | [{"id":"iem_G_45.920_-102.110_1788130800000","source":"iem","severity":"low","severityValue":25,"timestamp":1788130800000,"latitude":45.92,"longitude":-102.11},{"id":"iem_G_45.930_-102.220_1788134640000","source":"iem","severity":"low","severityValue":25,"timestamp":1788134640000,"latitude":45.93,"longitude":-102.22},{"id":"iem_D_46.000_-102.320_1788130200000","source":"iem","severity":"low","severityValue":25,"timestamp":1788130200000,"latitude":46,"longitude":-102.32}] |
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 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 22/100, near Dickinson (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.