Reported by SPC today.
No stronger detection stands among the 76 recorded within 20 km of this point since 15 March 2026 — 7 others scored the same. The last comparable one was on 18 August 2026.
What the source measured
SPC reported: Hail 150 in near 6 ENE Pickwick, Winona, MN. Multiple reports of 1 to 1.5 inch hail sizes. Time estimated from radar. (ARX)
An estimated 148,338 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 6, 2026 · score 43 · 5.7 km
- September 2, 2026 · score 49 · 11.5 km
- June 10, 2026 · score 37 · 11.6 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 49 out of 100, at 77 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 49 / 100 |
| Our confidence | 77% |
| Coordinates | 44.0100, -91.4900 |
| Nearest City | Winona (13 km) |
| Population Exposed | 148.3K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-02T05:10:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | hail |
| Speed | 150 |
| Location | 6 ENE Pickwick |
| County | Winona |
| State | MN |
| Comments | Multiple reports of 1 to 1.5 inch hail sizes. Time estimated from radar. (ARX) |
| Iem TypeSummary | H |
| Iem Magnitude | 1.5 |
| Iem Unit | Inch |
| Iem City | 6 ENE Pickwick |
| Iem County | Winona |
| Iem State | MN |
| Iem Wfo | ARX |
| Iem Remark | Multiple reports of 1 to 1.5 inch hail sizes. Time estimated from radar. |
| MergedSources | [{"id":"iem_H_44.010_-91.490_1788325800000","source":"iem","severity":"low","severityValue":25,"timestamp":1788325800000,"latitude":44.01,"longitude":-91.49}] |
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 Winona?
Calamity.live data shows a weather event with CalamityScore 49/100, near Winona (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.