This alert expired on 25 June 2026 at 22:30 UTC. It is kept here as a record.
No stronger detection stands among the 47 recorded within 20 km of this point since 14 April 2026 — 24 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 25 at 6:13PM EDT until June 25 at 6:30PM EDT by NWS Detroit/Pontiac MI
An estimated 2,237,805 people live within 50 km of this point.
Nearby, since 14 April 2026
- July 4, 2026 · score 52 · 1.8 km
- July 18, 2026 · score 52 · 4.6 km
- May 19, 2026 · score 52 · 5.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 52 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) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 42.5782, -82.7124 |
| Nearest City | Mount Clemens (14 km) |
| Population Exposed | 2.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-25T22:13:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4a60aee065672d8e3cf933e93e91627a8e77cf93.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Macomb, MI; St. Clair, MI |
| Headline | Severe Thunderstorm Warning issued June 25 at 6:13PM EDT until June 25 at 6:30PM EDT by NWS Detroit/Pontiac MI |
| Expires | 2026-06-25T18:30:00-04:00 |
| SenderName | NWS Detroit/Pontiac MI |
| HasExactCoords | true |
| Google News RssFeed | weather |
| Google News SourceName | WXYZ Channel 7 |
| MergedSources | [{"id":"gnews_weather_495115_129","source":"google_news","severity":"medium","severityValue":40,"timestamp":1782415484000,"latitude":42.33,"longitude":-83.05}] |
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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Mount Clemens (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.