This alert expired on 16 March 2026 at 20:00 UTC. It is kept here as a record.
It is the 11th strongest of the 139 detections recorded within 20 km of this point since 10 March 2026. Another comparable one was recorded here earlier the same day. 17 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Storm Warning issued March 16 at 11:41AM CDT until March 16 at 3:00PM CDT by NWS Green Bay WI
Nearby, since 10 March 2026
- September 2, 2026 · score 16 · 0.0 km
- August 11, 2026 · score 22 · 0.0 km
- August 9, 2026 · score 22 · 0.0 km
How we know
Confirmed by 20 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 68 % 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) | 22 / 100 |
| Our confidence | 68% |
| Coordinates | 43.8000, -89.6000 |
| Nearest City | Wisconsin Rapids (67 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-16T16:41:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.edb2c332298e290f27c071f0c773e932f3a6b322.001.1 |
Score Breakdown
Technical Details
| Event | Storm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Rock Island Passage to Sturgeon Bay WI; Sturgeon Bay to Two Rivers WI; Two Rivers to Sheboygan WI |
| Headline | Storm Warning issued March 16 at 11:41AM CDT until March 16 at 3:00PM CDT by NWS Green Bay WI |
| Expires | 2026-03-16T15:00:00-05:00 |
| SenderName | NWS Green Bay WI |
| HasExactCoords | false |
| Iem TypeSummary | S |
| Iem Magnitude | 10 |
| Iem Unit | Inch |
| Iem City | 1 ESE Mauston |
| Iem County | Juneau |
| Iem State | WI |
| Iem Wfo | ARX |
| Iem Remark | CO-OP Observer station MAUW3 1.0 E Mauston. |
| MergedSources | [{"id":"iem_S_43.530_-90.440_1773679620000","source":"iem","severity":"low","severityValue":25,"timestamp":1773679620000,"latitude":43.53,"longitude":-90.44},{"id":"iem_S_43.790_-89.330_1773680400000","source":"iem","severity":"low","severityValue":25,"timestamp":1773680400000,"latitude":43.79,"longitude":-89.33},{"id":"iem_S_44.340_-89.060_1773675720000","source":"iem","severity":"low","severityValue":25,"timestamp":1773675720000,"latitude":44.34,"longitude":-89.06},{"id":"iem_S_43.820_-88.890_1773678000000","source":"iem","severity":"low","severityValue":25,"timestamp":1773678000000,"latitude":43.82,"longitude":-88.89},{"id":"iem_S_43.610_-89.760_1773667800000","source":"iem","severity":"low","severityValue":25,"timestamp":1773667800000,"latitude":43.61,"longitude":-89.76},{"id":"iem_S_44.260_-89.410_1773669840000","source":"iem","severity":"low","severityValue":25,"timestamp":1773669840000,"latitude":44.26,"longitude":-89.41},{"id":"iem_S_43.320_-89.530_1773669600000","source":"iem","severity":"low","severityValue":25,"timestamp":1773669600000,"latitude":43.32,"longitude":-89.53},{"id":"iem_S_43.790_-89.640_1773662400000","source":"iem","severity":"low","severityValue":25,"timestamp":1773662400000,"latitude":43.79,"longitude":-89.64},{"id":"iem_S_43.840_-89.810_1773678300000","source":"iem","severity":"low","severityValue":25,"timestamp":1773678300000,"latitude":43.84,"longitude":-89.81},{"id":"iem_S_44.450_-89.620_1773679320000","source":"iem","severity":"low","severityValue":25,"timestamp":1773679320000,"latitude":44.45,"longitude":-89.62},{"id":"iem_S_43.630_-89.160_1773680400000","source":"iem","severity":"low","severityValue":25,"timestamp":1773680400000,"latitude":43.63,"longitude":-89.16},{"id":"iem_S_43.980_-89.830_1773662400000","source":"iem","severity":"low","severityValue":25,"timestamp":1773662400000,"latitude":43.98,"longitude":-89.83},{"id":"iem_S_43.670_-89.830_1773667800000","source":"iem","severity":"low","severityValue":25,"timestamp":1773667800000,"latitude":43.67,"longitude":-89.83},{"id":"iem_S_44.340_-89.220_1773670800000","source":"iem","severity":"low","severityValue":25,"timestamp":1773670800000,"latitude":44.34,"longitude":-89.22},{"id":"iem_S_44.340_-89.060_1773671220000","source":"iem","severity":"low","severityValue":25,"timestamp":1773671220000,"latitude":44.34,"longitude":-89.06},{"id":"iem_S_43.460_-89.730_1773666000000","source":"iem","severity":"low","severityValue":25,"timestamp":1773666000000,"latitude":43.46,"longitude":-89.73},{"id":"iem_S_44.440_-89.550_1773662400000","source":"iem","severity":"low","severityValue":25,"timestamp":1773662400000,"latitude":44.44,"longitude":-89.55},{"id":"iem_S_44.410_-89.260_1773662400000","source":"iem","severity":"low","severityValue":25,"timestamp":1773662400000,"latitude":44.41,"longitude":-89.26},{"id":"iem_S_43.790_-90.060_1773660600000","source":"iem","severity":"low","severityValue":25,"timestamp":1773660600000,"latitude":43.79,"longitude":-90.06}] |
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.