Reported by SPC 61 days ago.
It is the 8th strongest of the 165 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 133 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Hail 200 in near Mandan, Morton, ND. Trained weather spotter reports hail up to 2 inches in Mandan. Hail ranged from 1.5 to 2.0 inches in size... and lasted for around 5 minutes. Also report numerous 1 inc (BIS)
An estimated 96,474 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 29, 2026 · score 63 · 4.8 km
- June 30, 2026 · score 45 · 9.0 km
- June 29, 2026 · score 63 · 18.4 km
How we know
One source: SPC. Not yet confirmed by a second, independent source.
Our own score for this event is 45 out of 100, at 72 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | high |
| Calamity Score (ours) | 45 / 100 |
| Our confidence | 72% |
| Coordinates | 46.8300, -100.8900 |
| Nearest City | Mandan (0 km) |
| Population Exposed | 96.5K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-30T12:08:53.249Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | hail |
| Speed | 200 |
| Location | Mandan |
| County | Morton |
| State | ND |
| Comments | Trained weather spotter reports hail up to 2 inches in Mandan. Hail ranged from 1.5 to 2.0 inches in size... and lasted for around 5 minutes. Also report numerous 1 inc (BIS) |
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 45/100, near Mandan (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.