This alert expired on 10 June 2026 at 17:49 UTC. It is kept here as a record.
No stronger detection stands among the 23 recorded within 20 km of this point since 15 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 10 at 12:39PM CDT until June 10 at 12:45PM CDT by NWS Twin Cities/Chanhassen MN
An estimated 100,528 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 10, 2026 · score 34 · 20.2 km
- June 20, 2026 · score 39 · 20.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % 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 | 81% |
| Coordinates | 44.6829, -92.0221 |
| Nearest City | Menomonie (23 km) |
| Population Exposed | 100.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-10T17:39:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.e8d3ed8c8e853aee5dc6a8c18e2a744d |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Pepin, WI; Pierce, WI; Dunn, WI; Pepin, WI; Pierce, WI |
| Headline | Severe Thunderstorm Warning issued June 10 at 12:39PM CDT until June 10 at 12:45PM CDT by NWS Twin Cities/Chanhassen MN |
| Expires | 2026-06-10T12:49:00-05:00 |
| SenderName | NWS Twin Cities/Chanhassen MN |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e8d3ed8c8e853aee5dc6a8c18e2a744dd3ceca4f.001.1","noaa_urn:oid:2.49.0.1.840.0.77c0ee55214096353baaca3faa3d8797db1f5269.001.1"] |
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 Menomonie?
Calamity.live data shows a weather event with CalamityScore 43/100, near Menomonie (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.