Right now
The most recent data we hold from NOAA arrived 15 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 4 September 2026 at 05:15 UTC. It is kept here as a record.
No stronger detection stands among the 57 recorded within 20 km of this point since 16 March 2026 — 27 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 3 at 11:45PM CDT until September 4 at 12:15AM CDT by NWS Milwaukee/Sullivan WI
Urban PEI: 320,610 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- June 25, 2026 · 12.8 km
- September 4, 2026 · score 49 · 13.6 km
- July 2, 2026 · 19.5 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 49 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 |
| Legacy data-support index | 0.92/1 |
| Coordinates | 43.3932, -88.4672 |
| Nearest City | West Bend (24 km) |
| Urban exposure index (PEI) | 320.6K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-04T04:45:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.8720e32277aecfbcc29db2cdddd1d9388c2abe5e.001.1 |
Physical priority index · v4 (historical). Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-09-04T04:45:00.000Z.
First archived: 2026-09-04T04:52:27.937Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Dodge, WI; Washington, WI |
| Headline | Severe Thunderstorm Warning issued September 3 at 11:45PM CDT until September 4 at 12:15AM CDT by NWS Milwaukee/Sullivan WI |
| Expires | 2026-09-04T00:15:00-05:00 |
| SenderName | NWS Milwaukee/Sullivan WI |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8720e32277aecfbcc29db2cdddd1d9388c2abe5e.001.1","noaa_urn:oid:2.49.0.1.840.0.30ce66b80b404a9556cdc2aa8efdd458252a0564.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 175 |
| Spc Location | Mayville |
| Spc County | Dodge |
| Spc State | WI |
| Spc Comments | Relay report from NWSChat. (MKX) |
| Iem TypeSummary | H |
| Iem Magnitude | 1.75 |
| Iem Unit | Inch |
| Iem City | Mayville |
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.
Review the area, threshold and delivery channel in your account.
Want to know when something happens near West Bend?