Reported by SPC today.
It is the 3rd strongest of the 68 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
SPC reported: Wind 64 kt near 6 ENE Bowman Haley Dam, Bowman, ND. Private weather station. (BIS)
Nearby, since 12 March 2026
- August 10, 2026 · score 22 · 18.0 km
- March 13, 2026 · score 28 · 21.2 km
- March 12, 2026 · score 28 · 21.2 km
How we know
Confirmed by 3 independent sources, including SPC.
Our own score for this event is 22 out of 100, at 66 % 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 | 66% |
| Coordinates | 46.0200, -103.1300 |
| Nearest City | Dickinson (99 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-30T22:29:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | 64 |
| Location | 6 ENE Bowman Haley Dam |
| County | Bowman |
| State | ND |
| Comments | Private weather station. (BIS) |
| Iem TypeSummary | G |
| Iem Magnitude | 64 |
| Iem Unit | MPH |
| Iem City | 6 ENE Bowman Haley Dam |
| Iem County | Bowman |
| Iem State | ND |
| Iem Wfo | BIS |
| Iem Remark | Private weather station. |
| MergedSources | [{"id":"iem_N_46.280_-103.030_1788128820000","source":"iem","severity":"low","severityValue":25,"timestamp":1788128820000,"latitude":46.28,"longitude":-103.03},{"id":"iem_G_46.020_-103.130_1788128940000","source":"iem","severity":"low","severityValue":25,"timestamp":1788128940000,"latitude":46.02,"longitude":-103.13}] |
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.