This alert expired on 11 June 2026 at 01:35 UTC. It is kept here as a record.
It is the 17th strongest of the 36 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 10 at 9:25PM EDT until June 10 at 9:30PM EDT by NWS Detroit/Pontiac MI
An estimated 1,449,530 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 18, 2026 · score 52 · 8.7 km
- May 18, 2026 · score 52 · 10.1 km
- July 18, 2026 · score 48 · 12.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 79 % 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) | 46 / 100 |
| Our confidence | 79% |
| Coordinates | 42.8778, -83.1448 |
| Nearest City | Auburn Hills (22 km) |
| Population Exposed | 1.4M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-11T01:25:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.1d1e8c8e6b6eebcd194261afa52e6c08 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Livingston, MI; Tuscola, MI; Genesee, MI; Oakland, MI and 5 more areas |
| Headline | Severe Thunderstorm Warning issued June 10 at 9:25PM EDT until June 10 at 9:30PM EDT by NWS Detroit/Pontiac MI |
| Expires | 2026-06-10T21:35:00-04:00 |
| SenderName | NWS Detroit/Pontiac MI |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1d1e8c8e6b6eebcd194261afa52e6c086532385d.001.1","noaa_urn:oid:2.49.0.1.840.0.42fe067646fef74118c6eb564b10837acf355e99.001.1","noaa_urn:oid:2.49.0.1.840.0.469236133df8621a7a5883d884ec99a5da82f675.001.1","noaa_urn:oid:2.49.0.1.840.0.f402d73bb6d5956eb8dbea18a760958506bd96e9.001.1","noaa_urn:oid:2.49.0.1.840.0.1ace5705a15a0a58d4347c89d393c1b325ad6c51.001.1","noaa_urn:oid:2.49.0.1.840.0.eae010ffd1f2e354f0cd68f4803085f696d289b1.002.1","noaa_urn:oid:2.49.0.1.840.0.412ed30988f5d5b46e59c23cd16de8b8193663f6.001.1","noaa_urn:oid:2.49.0.1.840.0.2bc7dd7bd7162624c6337a47b534f05c7335d204.001.1"] |
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 46/100, near Auburn Hills (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.