Reported by SPC today.
It is the 2nd strongest of the 21 detections recorded within 20 km of this point since 2 April 2026. Another comparable one was recorded here earlier the same day.
What the source measured
SPC reported: Wind 65 kt near 5 SW Judson, Morton, ND. Trained spotter reports strong wind in New Salem... estimated to be around 65 MPH. Spotter also reports heavy rainfall and some very small hail. (BIS)
An estimated 96,474 people live within 50 km of this point.
Nearby, since 2 April 2026
- August 31, 2026 · score 39 · 0.0 km
- July 30, 2026 · score 39 · 9.9 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 39 out of 100, at 81 % 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) | 39 / 100 |
| Our confidence | 81% |
| Coordinates | 46.7700, -101.3400 |
| Nearest City | Mandan (35 km) |
| Population Exposed | 96.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-31T01:23:29.963Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | 65 |
| Location | 5 SW Judson |
| County | Morton |
| State | ND |
| Comments | Trained spotter reports strong wind in New Salem... estimated to be around 65 MPH. Spotter also reports heavy rainfall and some very small hail. (BIS) |
| Iem TypeSummary | G |
| Iem Magnitude | 65 |
| Iem Unit | MPH |
| Iem City | 5 SW Judson |
| Iem County | Morton |
| Iem State | ND |
| Iem Wfo | BIS |
| Iem Remark | Trained spotter reports strong wind in New Salem, estimated to be around 65 MPH. Spotter also reports heavy rainfall and some very small hail. |
| MergedSources | [{"id":"iem_G_46.770_-101.340_1788133920000","source":"iem","severity":"low","severityValue":25,"timestamp":1788133920000,"latitude":46.77,"longitude":-101.34}] |
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 39/100, near Mandan (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.