This alert expired on 1 July 2026 at 14:45 UTC. It is kept here as a record.
No stronger detection stands among the 26 recorded within 20 km of this point since 15 March 2026 — 5 others scored the same. Another comparable one was recorded here earlier the same day. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 1 at 9:32AM CDT until July 1 at 9:45AM CDT by NWS Milwaukee/Sullivan WI
An estimated 178,258 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 8, 2026 · score 34 · 13.0 km
- July 8, 2026 · score 43 · 19.1 km
How we know
Confirmed by 9 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % 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) | 43 / 100 |
| Our confidence | 91% |
| Coordinates | 44.4812, -87.4332 |
| Nearest City | Bellevue (39 km) |
| Population Exposed | 178.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-01T14:32:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c22ddca3004dd1624b1f5400a7d2fb99 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Sheboygan, WI; Door, WI |
| Headline | Severe Thunderstorm Warning issued July 1 at 9:32AM CDT until July 1 at 9:45AM CDT by NWS Milwaukee/Sullivan WI |
| Expires | 2026-07-01T09:45:00-05:00 |
| SenderName | NWS Milwaukee/Sullivan WI |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c22ddca3004dd1624b1f5400a7d2fb99f3ea4d4a.001.1","noaa_urn:oid:2.49.0.1.840.0.9390763ec837903381ccf81c45db165c66d703ff.001.1"] |
| Iem TypeSummary | D |
| Iem City | Green Bay |
| Iem County | Brown |
| Iem State | WI |
| Iem Wfo | GRB |
| Iem Remark | Wires down on Main and Klondike. |
| MergedSources | [{"id":"iem_D_44.420_-88.010_1782911640000","source":"iem","severity":"low","severityValue":25,"timestamp":1782911640000,"latitude":44.42,"longitude":-88.01},{"id":"iem_D_44.510_-88.000_1782911940000","source":"iem","severity":"low","severityValue":25,"timestamp":1782911940000,"latitude":44.51,"longitude":-88},{"id":"iem_D_44.510_-88.030_1782911580000","source":"iem","severity":"low","severityValue":25,"timestamp":1782911580000,"latitude":44.51,"longitude":-88.03},{"id":"iem_G_44.570_-87.900_1782912240000","source":"iem","severity":"low","severityValue":25,"timestamp":1782912240000,"latitude":44.57,"longitude":-87.9},{"id":"iem_G_44.630_-88.070_1782911820000","source":"iem","severity":"low","severityValue":25,"timestamp":1782911820000,"latitude":44.63,"longitude":-88.07},{"id":"iem_D_44.480_-88.090_1782911520000","source":"iem","severity":"low","severityValue":25,"timestamp":1782911520000,"latitude":44.48,"longitude":-88.09},{"id":"iem_G_44.510_-88.330_1782910800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782910800000,"latitude":44.51,"longitude":-88.33},{"id":"iem_D_44.510_-88.000_1782912600000","source":"iem","severity":"low","severityValue":25,"timestamp":1782912600000,"latitude":44.51,"longitude":-88}] |
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 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.