This alert expired on 4 September 2026 at 04:00 UTC. It is kept here as a record.
It is the 13th strongest of the 45 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 2 September 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 3 at 10:25PM CDT until September 3 at 11:00PM CDT by NWS Milwaukee/Sullivan WI
An estimated 126,052 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 24, 2026 · score 67 · 12.7 km
- September 2, 2026 · score 37 · 13.6 km
- July 9, 2026 · score 43 · 20.4 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 37 out of 100, at 87 % 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 | Medium |
| Calamity Score (ours) | 37 / 100 |
| Our confidence | 87% |
| Coordinates | 43.6620, -88.7820 |
| Nearest City | Beaver Dam (23 km) |
| Population Exposed | 126.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T03:25:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.e3c1f3a02b947bda384c051590d5b7771dc6ccb4.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Dodge, WI; Fond du Lac, WI; Green Lake, WI |
| Headline | Severe Thunderstorm Warning issued September 3 at 10:25PM CDT until September 3 at 11:00PM CDT by NWS Milwaukee/Sullivan WI |
| Expires | 2026-09-03T23:00:00-05:00 |
| SenderName | NWS Milwaukee/Sullivan WI |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 2 NE Hubertus |
| Spc County | Washington |
| Spc State | WI |
| Spc Comments | Washington County EM reports widespread tree damage across Richfield... including uprooted trees. Estimated winds 60 mph... time estimated by radar. (MKX) |
| MergedSources | [{"id":"spc_wind_43.26_-88.19_6","source":"spc","severity":"medium","severityValue":45,"timestamp":1788493010618,"latitude":43.26,"longitude":-88.19}] |
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 Beaver Dam?
Calamity.live data shows a weather event with CalamityScore 37/100, near Beaver Dam (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.