Reported by IEM 139 days ago.
It is the 6th strongest of the 51 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 20 more were recorded here in the fortnight before it.
What the source measured
IEM reported: Report from mPING: Quarter (1.00 in.).
An estimated 524,062 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 27, 2026 · score 72 · 2.1 km
- July 27, 2026 · score 67 · 14.6 km
- August 9, 2026 · score 43 · 15.3 km
How we know
Confirmed by 2 independent sources, including IEM.
Our own score for this event is 48 out of 100, at 64 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 64% |
| Coordinates | 43.1000, -88.5300 |
| Nearest City | Oconomowoc (3 km) |
| Population Exposed | 524.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-04-14T23:06:00.000Z |
| Source | https://mesonet.agron.iastate.edu/lsr/ |
Score Breakdown
Technical Details
| TypeSummary | H |
| Magnitude | 1 |
| Unit | Inch |
| City | 1 W Oconomowoc |
| County | Waukesha |
| State | WI |
| Wfo | MKX |
| Remark | Report from mPING: Quarter (1.00 in.). |
| Google News RssFeed | weather |
| Google News SourceName | Milwaukee Journal Sentinel |
| MergedSources | [{"id":"gnews_weather_493385_139","source":"google_news","severity":"medium","severityValue":40,"timestamp":1776186660000,"latitude":43.04,"longitude":-87.91}] |
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 10 February 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 Oconomowoc?
Calamity.live data shows a weather event with CalamityScore 48/100, near Oconomowoc (United States), based on data from iem. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.