This alert expired on 3 September 2026 at 18:30 UTC. It is kept here as a record.
No stronger detection stands among the 26 recorded within 20 km of this point since 4 April 2026 — 6 others scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Tornado Warning issued September 3 at 1:48PM EDT until September 3 at 2:30PM EDT by NWS Detroit/Pontiac MI
An estimated 176,518 people live within 50 km of this point.
Nearby, since 4 April 2026
- September 4, 2026 · score 37 · 11.5 km
- September 3, 2026 · score 37 · 11.5 km
- September 3, 2026 · score 67 · 19.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 67 out of 100, at 81 % 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 | Critical |
| Calamity Score (ours) | 67 / 100 |
| Our confidence | 81% |
| Coordinates | 43.3858, -84.3817 |
| Nearest City | Midland (28 km) |
| Population Exposed | 176.5K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-09-03T17:48:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.317e9e6ee1a3239fbc92ab3cef157465f70c63ae.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Midland, MI; Saginaw, MI; Gratiot, MI |
| Headline | Tornado Warning issued September 3 at 1:48PM EDT until September 3 at 2:30PM EDT by NWS Detroit/Pontiac MI |
| Expires | 2026-09-03T14:30:00-04:00 |
| SenderName | NWS Detroit/Pontiac MI |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.317e9e6ee1a3239fbc92ab3cef157465f70c63ae.001.1","noaa_urn:oid:2.49.0.1.840.0.513fcce51329d6f1d4287d5b6c45a96274ab99e6.001.1"] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 Midland?
Calamity.live data shows a weather event with CalamityScore 67/100, near Midland (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.