Right now
The most recent data we hold from NOAA arrived 6 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 26 May 2026 at 23:00 UTC. It is kept here as a record.
It is the 4th strongest of the 15 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 26 at 5:50PM CDT until May 26 at 6:00PM CDT by NWS Green Bay WI
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 70 % 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 | 70% |
| Coordinates | 45.0788, -88.7775 |
| Nearest City | Weston (64 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-26T22:50:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fa67caf22fa4b43d30f28d7be2940f5e4ecd9aaf.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Langlade, WI; Menominee, WI; Shawano, WI |
| Headline | Severe Thunderstorm Warning issued May 26 at 5:50PM CDT until May 26 at 6:00PM CDT by NWS Green Bay WI |
| Expires | 2026-05-26T18:00:00-05:00 |
| SenderName | NWS Green Bay WI |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 0.5 |
| Iem Unit | Inch |
| Iem City | Antigo |
| Iem County | Langlade |
| Iem State | WI |
| Iem Wfo | GRB |
| MergedSources | [{"id":"iem_G_45.150_-89.150_1779832320000","source":"iem","severity":"low","severityValue":25,"timestamp":1779832320000,"latitude":45.15,"longitude":-89.15},{"id":"iem_G_45.160_-88.770_1779832980000","source":"iem","severity":"low","severityValue":25,"timestamp":1779832980000,"latitude":45.16,"longitude":-88.77},{"id":"iem_H_45.150_-89.150_1779832020000","source":"iem","severity":"low","severityValue":25,"timestamp":1779832020000,"latitude":45.15,"longitude":-89.15}] |
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.