Reported by SPC 76 days ago.
It is the 3rd strongest of the 34 detections recorded within 20 km of this point since 15 March 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
SPC reported: Wind 69 kt near 1 WSW Beaver Creek, Rock, MN. Mesonet station MN006 I-90 - Beaver Creek Mp 4. (FSD)
An estimated 171,544 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 1, 2026 · score 43 · 14.3 km
- July 3, 2026 · score 43 · 14.4 km
- May 17, 2026 · score 67 · 18.8 km
How we know
One source: SPC. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 74 % 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) | 43 / 100 |
| Our confidence | 74% |
| Coordinates | 43.6100, -96.3800 |
| Nearest City | Sioux Falls (29 km) |
| Population Exposed | 171.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-18T06:22:26.927Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | 69 |
| Location | 1 WSW Beaver Creek |
| County | Rock |
| State | MN |
| Comments | Mesonet station MN006 I-90 - Beaver Creek Mp 4. (FSD) |
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 near Sioux Falls?
Calamity.live data shows a weather event with CalamityScore 43/100, near Sioux Falls (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.