Flash Flood, Genesee
- When
- June 1, 5:20 PM EST to 8:00 PM EST
- Where
- Genesee County, 3 mi SW of Mt Morris
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 43.022, -83.707 (the zone’s center; the record gives no point)
Flash Flood in Michigan, June 1, 1999
Scattered thunderstorms developed in the afternoon over southeast Michigan, ahead of a cold front that was slowly moving south. A cluster of thunderstorms remained nearly stationary from 4 to 830 pm EDT across Mt Morris and Genesee Townships, as well as the north side of the city of Flint.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
- 1
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 DTX wrote it up.
Scattered thunderstorms developed in the afternoon over southeast Michigan, ahead of a cold front that was slowly moving south. A cluster of thunderstorms remained nearly stationary from 4 to 830 pm EDT across Mt Morris and Genesee Townships, as well as the north side of the city of Flint. Radar estimated nearly 4 inches of rain fell, most of that in the first two and a half hours. The heaviest rain fell in the city of Mt Morris, where a spotter reported 3.3 inches of rain by 7 pm.The resulting flash flooding closed numerous roads in the area, including Dort Highway, Pierson Road, Pasadena Avenue, Saginaw Road, and Clio Road. Several vehicles had to be rescued from high water at a railroad underpass at the junction of Pierson Road and Dort Highway.
The radar
The Detroit radar (KDTX), 41 km away, was scanning. The volume nearest the first event began at 22:22 UTC.
Event by event
1 flash flood. Local standard time, as filed.
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Oklahoma, June 1, 1999
- Tornado in Illinois, June 1, 1999
- Tornado in Missouri, June 1, 1999
- Tornadoes and Hail in Illinois, June 1, 1999
- Tornadoes in Missouri, June 1, 1999
- Flash Flooding in Illinois, June 1 to 2, 1999
- Tornadoes in Illinois, June 1, 1999
- Tornado in Illinois, June 1, 1999
- Flooding and Hail in Kansas, June 1 to 28, 1999
- Tornadoes and Flash Flooding in Texas, June 1 to 25, 1999
- Hail and Damaging Winds in Kansas, June 1, 1999
- Tornado and Hail in Illinois, June 1, 1999
More
Every storm in Michigan in 1999Every state in 1999This day in weather historyWarnings in Michigan, June 1999
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 2026-09-24. Each event’s entry at NCEI: 5706235.