Michigan, 1998

Flash Flood and Hail in Michigan, July 21, 1998

July 21, 1998 · NWS GRR · 28 events in 9 counties and zones

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.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
28

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.

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 radar

The Grand Rapids radar (KGRR), 48 km away, was scanning. The volume nearest the first event began at 20:06 UTC.

Open the radar archive at this moment

Event by event

26 thunderstorm wind, 1 hail, 1 flash flood. Local standard time, as filed.

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

Thunderstorm Wind, Allegan

When
July 21, 3:09 PM EST
Where
Allegan County, Ganges
Measured
70 kt (81 mph)
Reported by
LAW ENFORCEMENT
Coordinates
42.580, -86.200

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.

Thunderstorm Wind, Van Buren

When
July 21, 3:10 PM EST
Where
Van Buren County, Lawton
Reported by
LAW ENFORCEMENT
Coordinates
42.170, -85.850

Trees downed in Lawton, with some minor structural damage to homes. No damage estimate was available.

Thunderstorm Wind, Allegan

When
July 21, 3:15 PM EST
Where
Allegan County, Allegan
Measured
52 kt (60 mph)
Reported by
AMATEUR RADIO
Coordinates
42.530, -85.850

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.

Thunderstorm Wind, Van Buren

When
July 21, 3:20 PM EST
Where
Van Buren County, Lawrence
Reported by
LAW ENFORCEMENT
Coordinates
42.220, -86.050

Bloomingdale law enforcement reported trees and power lines were downed in Lawrence Township. A damage estimate was not available.

Thunderstorm Wind, Van Buren

When
July 21, 3:40 PM EST
Where
Van Buren County, Mattawan
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
42.200, -85.780

Thunderstorm Wind, Kalamazoo

When
July 21, 3:40 PM EST
Where
Kalamazoo County, Kalamazoo
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
42.280, -85.570

Thunderstorm Wind, Kalamazoo

When
July 21, 3:42 PM EST
Where
Kalamazoo County, Portage
Measured
61 kt (70 mph)
Reported by
TRAINED SPOTTER
Coordinates
42.200, -85.570

Thunderstorm Wind, Barry

When
July 21, 3:46 PM EST
Where
Barry County, Nashville
Measured
61 kt (70 mph)
Reported by
AMATEUR RADIO
Coordinates
42.600, -85.080

An amateur radio operator reported an estimated wind gust to 70-mph and pea-sized hail (1/8").

Thunderstorm Wind, Kalamazoo

When
July 21, 3:47 PM EST
Where
Kalamazoo County, Vicksburg
Measured
56 kt (64 mph)
Reported by
AMATEUR RADIO
Coordinates
42.120, -85.530

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.

Thunderstorm Wind, Barry

When
July 21, 3:48 PM EST
Where
Barry County, Dowling
Measured
52 kt (60 mph)
Reported by
BROADCAST MEDIA
Coordinates
42.520, -85.250

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.

Thunderstorm Wind, Calhoun

When
July 21, 3:52 PM EST
Where
Calhoun County, (Btl)kellog Arpt Btl
Measured
50 kt (58 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
42.320, -85.250

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.

Hail, Barry

When
July 21, 3:57 PM EST
Where
Barry County, Hastings
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
42.650, -85.280

Thunderstorm Wind, Eaton

When
July 21, 4:00 PM EST
Where
Eaton County, Bellevue
Measured
52 kt (60 mph)
Reported by
AMATEUR RADIO
Coordinates
42.450, -85.020

An amateur radio operator reported an estimated 60-mph wind gust.

Thunderstorm Wind, Calhoun

When
July 21, 4:01 PM EST
Where
Calhoun County, Burlington
Measured
56 kt (64 mph)
Reported by
EMERGENCY MANAGER
Coordinates
42.100, -85.080

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.

Thunderstorm Wind, Calhoun

When
July 21, 4:05 PM EST
Where
Calhoun County, Marshall
Reported by
NEWSPAPER
Coordinates
42.270, -84.950

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.

Thunderstorm Wind, Eaton

When
July 21, 4:07 PM EST
Where
Eaton County, Charlotte
Reported by
LAW ENFORCEMENT
Coordinates
42.570, -84.820

Eaton County Central Dispatch reported trees downed in the Charlotte area. Damage estimates were not available.

Thunderstorm Wind, Calhoun

When
July 21, 4:15 PM EST
Where
Calhoun County, Homer
Reported by
NEWSPAPER
Coordinates
42.130, -84.800

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.

Thunderstorm Wind, Ionia

When
July 21, 4:15 PM EST
Where
Ionia County, Clarksville
Reported by
NEWSPAPER
Coordinates
42.830, -85.250

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.

Thunderstorm Wind, Ionia

When
July 21, 4:19 PM EST
Where
Ionia County, Saranac
Measured
52 kt (60 mph)
Reported by
AMATEUR RADIO
Coordinates
42.930, -85.220

An amateur radio operator reported an estimated 60-mph wind gust in Saranac.

Thunderstorm Wind, Calhoun

When
July 21, 4:20 PM EST
Where
Calhoun County, Albion
Reported by
NEWSPAPER
Coordinates
42.250, -84.750

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.

Thunderstorm Wind, Jackson

When
July 21, 4:30 PM EST
Where
Jackson County, Jackson
Reported by
LAW ENFORCEMENT
Coordinates
42.230, -84.400

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.

Thunderstorm Wind, Allegan

When
July 21, 4:35 PM EST
Where
Allegan County, Plainwell
Reported by
TRAINED SPOTTER
Coordinates
42.450, -85.630

A trained spotter reported numerous trees downed near the U.S. Highway 131 and Michigan Highway 89 interchange. A damage estimate was not available.

Flash Flood, Allegan

When
July 21, 4:35 PM EST
Where
Allegan County, Plainwell
Reported by
TRAINED SPOTTER
Coordinates
42.518, -85.910 (the zone’s center; the record gives no point)

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.

Thunderstorm Wind, Ionia

When
July 21, 4:37 PM EST
Where
Ionia County, Saranac
Reported by
AMATEUR RADIO
Coordinates
42.930, -85.220

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.

Thunderstorm Wind, Ionia

When
July 21, 4:43 PM EST
Where
Ionia County, Portland
Reported by
LAW ENFORCEMENT
Coordinates
42.870, -84.920

Numerous trees were downed in the Portland area. Damage estimates were not available.

Thunderstorm Wind, Clinton

When
July 21, 4:45 PM EST
Where
Clinton County, Elsie
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
43.080, -84.380

Thunderstorm Wind, Clinton

When
July 21, 5:06 PM EST
Where
Clinton County, St Johns
Reported by
AMATEUR RADIO
Coordinates
43.000, -84.570

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.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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

More

Every storm in Michigan in 1998Every state in 1998This day in weather historyWarnings in Michigan, July 1998

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: 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.