This alert expired on 16 June 2026 at 18:00 UTC. It is kept here as a record.
No stronger detection stands among the 53 recorded within 20 km of this point since 15 March 2026 — 4 others scored the same. The last comparable one was on 10 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 16 at 12:14PM CDT until June 16 at 1:00PM CDT by NWS Green Bay WI
An estimated 126,419 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 10, 2026 · score 16 · 20.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 44.6283, -88.6583 |
| Nearest City | Appleton (45 km) |
| Population Exposed | 126.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-16T17:14:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.be3f5d4e46e27c49841b2a14c11cc64b7ecf3124.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Outagamie, WI; Shawano, WI; Waupaca, WI |
| Headline | Severe Thunderstorm Warning issued June 16 at 12:14PM CDT until June 16 at 1:00PM CDT by NWS Green Bay WI |
| Expires | 2026-06-16T13:00:00-05:00 |
| SenderName | NWS Green Bay WI |
| HasExactCoords | true |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.