Marine Thunderstorm Wind, Pentwater to Manistee Mi
- When
- August 12, 1:42 AM EST
- Where
- Pentwater to Manistee Mi forecast zone, Ludington Harbor
- Measured
- 35 kt (40 mph) measured gust
- Reported by
- Mesonet
- Coordinates
- 43.950, -86.450
Marine Thunderstorm Winds in Lake Michigan, August 12, 2007
Thunderstorms produced marine thunderstorm wind gusts of 40 to 53 mph across portions of eastern Lake Michigan.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 3
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS GRR wrote it up.
Thunderstorms produced marine thunderstorm wind gusts of 40 to 53 mph across portions of eastern Lake Michigan.
The radar
The Grand Rapids radar (KGRR), 138 km away, was scanning. The volume nearest the first event began at 06:40 UTC.
Event by event
3 marine thunderstorm wind. Local standard time, as filed.
Marine Thunderstorm Wind, St Joseph to South Haven Mi
- When
- August 12, 4:05 AM EST
- Where
- St Joseph to South Haven Mi forecast zone, 2 mi W of South Haven Harbor
- Measured
- 46 kt (53 mph) measured gust
- Reported by
- Official NWS Observations
- Coordinates
- 42.400, -86.309
Marine Thunderstorm Wind, Grand Haven to Whitehall Mi
- When
- August 12, 4:10 AM EST
- Where
- Grand Haven to Whitehall Mi forecast zone, Grand Haven Harbor
- Measured
- 36 kt (41 mph) measured gust
- Reported by
- Mesonet
- Coordinates
- 43.070, -86.230
What these are
- Marine Thunderstorm Wind
- Thunderstorm winds of 34 knots or more over coastal or lake waters.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Excessive Heat in Texas, August 12 to 13, 2007
- Wildfire in Hawaii, August 12 to 19, 2007
- Damaging Winds in Iowa, August 12, 2007
- Damaging Winds in Missouri, August 12 to 13, 2007
- Damaging Winds in Illinois, August 12, 2007
- Damaging Winds and Lightning Strike in Michigan, August 12, 2007
- Flash Flooding and Damaging Winds in Nebraska, August 12, 2007
- Hail and Damaging Winds in Missouri, August 12, 2007
- Damaging Winds and Heavy Rain in Iowa, August 12, 2007
- Excessive Heat in Missouri, August 12 to 16, 2007
- Drought in North Carolina, August 12 to 31, 2007
- Damaging Winds in Illinois, August 12 to 13, 2007
More
Every storm in Lake Michigan in 2007Every state in 2007This day in weather history
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 56646, 56650, 56649.