Marine Thunderstorm Wind, Detroit River
- When
- September 16, 2:35 PM EST
- Where
- Detroit River forecast zone, 2.76 mi S of Grosse Ile
- Measured
- 39 kt (45 mph) estimated gust
- Reported by
- Trained Spotter
- Coordinates
- 42.140, -83.176
A trained spotter estimated a 45 mph thunderstorm wind gust.