This alert expired on 10 June 2026 at 23:15 UTC. It is kept here as a record.
It is the strongest of the 40 detections recorded within 20 km of this point since 15 March 2026. 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: Tornado Warning issued June 10 at 5:46PM CDT until June 10 at 6:15PM CDT by NWS La Crosse WI
An estimated 27,094 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 18, 2026 · score 39 · 8.0 km
- June 5, 2026 · score 34 · 9.0 km
- June 20, 2026 · score 39 · 17.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 58 out of 100, at 80 % 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 | Critical |
| Calamity Score (ours) | 58 / 100 |
| Our confidence | 80% |
| Coordinates | 44.3080, -91.5640 |
| Nearest City | Winona (29 km) |
| Population Exposed | 27.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-10T22:46:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1f6a7d33d064ce588ee2c5114316afaaee1ec88c.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Buffalo, WI; Trempealeau, WI |
| Headline | Tornado Warning issued June 10 at 5:46PM CDT until June 10 at 6:15PM CDT by NWS La Crosse WI |
| Expires | 2026-06-10T18:15:00-05:00 |
| SenderName | NWS La Crosse WI |
| HasExactCoords | true |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 Winona?
Calamity.live data shows a weather event with CalamityScore 58/100, near Winona (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.