This alert expired on 3 September 2026 at 19:15 UTC. It is kept here as a record.
It is the 62nd strongest of the 80 detections recorded within 20 km of this point since 4 April 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 3 at 2:26PM EDT until September 3 at 3:15PM EDT by NWS Detroit/Pontiac MI
An estimated 201,439 people live within 50 km of this point.
Nearby, since 4 April 2026
- September 2, 2026 · score 49 · 23.7 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 37 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 37 / 100 |
| Our confidence | 91% |
| Coordinates | 43.0877, -83.9804 |
| Nearest City | Flint (25 km) |
| Population Exposed | 201.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T18:26:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.b4ceca66ebf4fced8de63cd569464316ce689f6e.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lapeer, MI; Saginaw, MI; Shiawassee, MI and 2 more areas |
| Headline | Severe Thunderstorm Warning issued September 3 at 2:26PM EDT until September 3 at 3:15PM EDT by NWS Detroit/Pontiac MI |
| Expires | 2026-09-03T15:15:00-04:00 |
| SenderName | NWS Detroit/Pontiac MI |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b4ceca66ebf4fced8de63cd569464316ce689f6e.001.1","noaa_urn:oid:2.49.0.1.840.0.8427ed3a2557047486b685deac8baee4e5a3c20a.002.1","noaa_urn:oid:2.49.0.1.840.0.e454b2e9c4eb85224494e73aa316d5b08904d815.001.1","noaa_urn:oid:2.49.0.1.840.0.b7febc2858cf2b389299bba1a72d33f23d20fd4b.001.1","noaa_urn:oid:2.49.0.1.840.0.cf36f65079351ea88cd8a5722bc794cc1cc0cda5.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 2 E Highland |
| Spc County | Oakland |
| Spc State | MI |
| Spc Comments | Multiple trees down on Duck Lake Rd. (DTX) |
| Iem TypeSummary | D |
| Iem City | 3 W Lake Orion |
| Iem County | Oakland |
| Iem State | MI |
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 near Flint?
Calamity.live data shows a weather event with CalamityScore 37/100, near Flint (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.