Thunderstorm Wind, Allegan
- When
- July 21, 3:07 PM EST
- Where
- Allegan County, Allegan
- Measured
- 52 kt (60 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.530, -85.850
A squall line developed ahead of a cold front which moved southeast across Lake Michigan and Michigan's Lower Peninsula during the afternoon and early evening hours of Tuesday, July 21st. A bow echo developed in this line and resulted in severe thunderstorm wind gusts across much of southwest and south central Lower Michigan.
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.
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 squall line developed ahead of a cold front which moved southeast across Lake Michigan and Michigan's Lower Peninsula during the afternoon and early evening hours of Tuesday, July 21st. A bow echo developed in this line and resulted in severe thunderstorm wind gusts across much of southwest and south central Lower Michigan. Wind gusts of 60 to 80 mph occurred across portions of Allegan, Van Buren, Kalamazoo, Barry, Eaton, Calhoun, Ionia, and Jackson Counties. Some minor structural damage to homes and businesses was reported, mainly a result of downed trees and power lines. No injuries were reported. The most significant damage occurred across Calhoun County, south and east of Battle Creek. Power outages across southwest and south central Lower Michigan peaked at approximately 110,000. Statewide, some 400,000 people lost power, most of which occurred in the Detroit metropolitan area.
The Grand Rapids radar (KGRR), 48 km away, was scanning. The volume nearest the first event began at 20:06 UTC.
26 thunderstorm wind, 1 hail, 1 flash flood. Local standard time, as filed.
Allegan County Central Dispatch relayed a report from Ganges Township Fire Department of an 80-mph wind gust measured at the fire station on Lakeshore Drive in Ganges.
Trees downed in Lawton, with some minor structural damage to homes. No damage estimate was available.
Amateur radio operators estimated winds gusted to 60-mph just south of the town of Allegan. Many trees and power lines were reportedly downed in the area. Approximately 6,400 people lost power in the immediate area. No damage estimate was available.
Bloomingdale law enforcement reported trees and power lines were downed in Lawrence Township. A damage estimate was not available.
An amateur radio operator reported an estimated wind gust to 70-mph and pea-sized hail (1/8").
Amateur radio operators reported an estimated 65-mph wind gust in Vicksburg, which downed up to 10 trees. Two 24" diameter trees were snapped of 8 feet above the ground and landed on a bowling alley. A damage estimate was not available. This severe thunderstorm downed trees and power lines scattered across Kalamazoo County, which resulted in power outages for approximately 26,000 customers of Consumers Energy.
A local radio news announcer (also trained weather spotter) in Barry County reported a 60-mph wind gust in Dowling, located in Baltimore Township, 7 miles south of Hastings. Numerous trees were reportedly downed in the Dowling area. Approximately 4,600 homes lost power at the height of the storm in Barry County.
The Automated Surface Observing System (ASOS) at Kellogg Regional Airport in Battle Creek recorded a 50-knot (58-mph) wind gust at 4:52 pm EDT.
An amateur radio operator reported an estimated 60-mph wind gust.
Calhoun County Emergency Manager reported a 65-mph wind gust measured in Burlington, with significant wind damage across Calhoun County. The Calhoun County Road Commission reported many fallen trees and limbs blocked dozens of rural roads, mostly across the southern portion of the county including Union City, Burlington, Leroy Township, and Homer. The Battle Creek Enquirer reported 12,400 homes and businesses lost power during the storm, which downed over 100 power lines in the county. Damage estimates were not available.
The Battle Creek Enquirer reported tree damage on a house in the 500 block of North Marshall Street. A large tree fell down and punched a hole in the roof of the home's front porch. No one was injured. A damage estimate was not available.
Eaton County Central Dispatch reported trees downed in the Charlotte area. Damage estimates were not available.
A local newspaper, the Homer Index, reported trees and power lines were downed across Homer Township in southeast Calhoun County. Power was out for up to 26 hours across portions of the township. Loss of power knocked out a pair of sewer system lift stations in Homer. Damage estimates were not available.
The Clarksville Record reported downed trees and power lines with widespread power outages. A tree fell on a 500 gallon propane gas tank at a residence on West Cross St. in the village of Clarksville. It punctured the tank and released 250 gallons of gas. The surrounding area was evacuated for fear of explosion. A tree fell on a residence on South Main St. and did considerable damage to the home. Damage estimates were not available.
An amateur radio operator reported an estimated 60-mph wind gust in Saranac.
The Albion Recorder reported downed trees and power lines in the city of Albion. One tree fell in front of the Masonic Temple at Center and Clinton Streets. The tree fell on a power line which sparked a small fire on the utility pole. Damage estimates were not available.
Jackson area law enforcement reported numerous trees and power lines downed in Blackman Township and the city of Jackson. The Jackson Citizen Patriot reported a Jackson woman was trapped when the wind dropped a large branch and live power lines over her car on Sixth Street, just north of W. Morrell. Damage to the car was minor and the woman was not injured. Over 200 power lines were downed by the storm and transformers were damaged by lightning strikes. Approximately 5,000 residents lost power in Jackson County. Damage estimates were not available.
A trained spotter reported numerous trees downed near the U.S. Highway 131 and Michigan Highway 89 interchange. A damage estimate was not available.
A trained spotter reported street flooding in the city of Plainwell, where 2.71 inches of rain had fallen in less than 2 hours. No injuries or property damage was reported.
An amateur radio operator reported trees and power lines downed in Saranac. One tree was blocking Michigan Highway 21. A damage estimate was not available.
Numerous trees were downed in the Portland area. Damage estimates were not available.
An amateur radio operator reported thunderstorm wind gusts estimated at 50-mph tipped over a van and downed 2" diameter trees in St. Johns. A damage estimate was not available.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 1998Every state in 1998This day in weather historyWarnings in Michigan, July 1998
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: 5662174, 5662175, 5662176, 5662927, 5662928, 5662929, 5662930, 5662931, 5662932, 5662934, 5663028, 5662933, 5662935, 5663025, 5663026, 5662238, 5663027, 5662239, 5662241, 5663032, 5662240, 5663029, 5663030, 5663031, 5663033, 5662235, 5662236, 5662237.