Right now
The most recent data we hold from NOAA arrived 5 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 16 May 2026 at 07:00 UTC. It is kept here as a record.
No stronger detection stands among the 66 recorded within 20 km of this point since 16 March 2026 — 9 others scored the same. The last comparable one was on 15 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 16 at 1:20AM CDT until May 16 at 2:00AM CDT by NWS Milwaukee/Sullivan WI
An estimated 1,089,382 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 2, 2026 · score 52 · 2.1 km
- September 3, 2026 · score 46 · 7.3 km
- May 16, 2026 · score 52 · 10.0 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 85 % 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 | Medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 85% |
| Coordinates | 43.2541, -88.2802 |
| Nearest City | Germantown (14 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-16T06:20:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c405a8c58f624c5123da4ebbcc2fcfaf |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Fond du Lac, WI; Sheboygan, WI; Jefferson, WI; Rock, WI; Walworth, WI |
| Headline | Severe Thunderstorm Warning issued May 16 at 1:20AM CDT until May 16 at 2:00AM CDT by NWS Milwaukee/Sullivan WI |
| Expires | 2026-05-16T02:00:00-05:00 |
| SenderName | NWS Milwaukee/Sullivan WI |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c405a8c58f624c5123da4ebbcc2fcfafbaf2fe63.001.1","noaa_urn:oid:2.49.0.1.840.0.c42aff1eede7da7619cbaa8dc53a58584036d052.001.1"] |
| Google News RssFeed | weather |
| Google News SourceName | FOX6 News Milwaukee |
| MergedSources | [{"id":"gnews_weather_494139_160","source":"google_news","severity":"medium","severityValue":40,"timestamp":1778902856000,"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 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 Germantown?
Calamity.live data shows a weather event with CalamityScore 52/100, near Germantown (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.