A line of thunderstorms developed along a lake breeze boundary during the early afternoon hours, and intensified as it moved east. Several reports of downed trees were received across Ingham and Jackson counties.
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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.
The episode as NWS GRR wrote it up.
A line of thunderstorms developed along a lake breeze boundary during the early afternoon hours, and intensified as it moved east. Several reports of downed trees were received across Ingham and Jackson counties.
The Detroit radar (KDTX), 83 km away, was scanning. The volume nearest the first event began at 18:02 UTC.
2 thunderstorm wind. Local standard time, as filed.
2 foot diameter trees were downed in Leslie and in Stockbridge.
Several large trees were downed near Pleasant Lake and Grass Lake.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 1999Every state in 1999This day in weather historyWarnings in Michigan, July 1999
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: 5708819, 5708820.