Marine Thunderstorm Wind, Winthrop Hbr to Wilmette Hbr Il
- When
- August 12, 1:50 AM CST
- Where
- Winthrop Hbr to Wilmette Hbr Il forecast zone, Waukegan Harbor
- Measured
- 43 kt (49 mph) measured gust
- Reported by
- C-MAN Station
- Coordinates
- 42.370, -87.830
Marine Thunderstorm Winds in Lake Michigan, August 12, 2007
Strong storms moved across southern Lake Michigan during the early morning hours of August 12th.
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
- 5
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 LOT wrote it up.
Strong storms moved across southern Lake Michigan during the early morning hours of August 12th.
The radar
The Chicago radar (KLOT), 88 km away, was scanning. The volume nearest the first event began at 07:52 UTC.
Event by event
5 marine thunderstorm wind. Local standard time, as filed.
Marine Thunderstorm Wind, Wilmette Hbr to Meigs Field Il
- When
- August 12, 2:20 AM CST
- Where
- Wilmette Hbr to Meigs Field Il forecast zone, Harrison-Dever Crib
- Measured
- 47 kt (54 mph) measured gust
- Reported by
- C-MAN Station
- Coordinates
- 41.900, -87.600
Marine Thunderstorm Wind, Burn Hbr to Michigan City in
- When
- August 12, 3:00 AM CST to 3:15 AM CST
- Where
- Burn Hbr to Michigan City in forecast zone, Michigan City
- Measured
- 39 kt (45 mph) measured gust
- Reported by
- C-MAN Station
- Coordinates
- 41.720, -86.900
Marine Thunderstorm Wind, Burn Hbr to Michigan City in
- When
- August 12, 3:10 AM CST
- Where
- Burn Hbr to Michigan City in forecast zone, Burns Harbor
- Measured
- 38 kt (44 mph) measured gust
- Reported by
- C-MAN Station
- Coordinates
- 41.650, -87.080
Marine Thunderstorm Wind, Gary to Burns Hbr in
- When
- August 12, 3:10 AM CST
- Where
- Gary to Burns Hbr in forecast zone, Burns Harbor
- Measured
- 38 kt (44 mph) measured gust
- Reported by
- C-MAN Station
- Coordinates
- 41.650, -87.080
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 2026-10-01. Each event’s entry at NCEI: 54794, 54791, 54984, 54792, 54793.