Michigan, 1999

Damaging Winds in Michigan, July 23, 1999

July 23, 1999 · NWS APX · 6 events in 5 counties and zones

A squall line strengthened over Lake Michigan and moved across northwest and north central lower Michigan. There were numerous severe wind gusts associated with this line of storms.

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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
6

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 APX wrote it up.

A squall line strengthened over Lake Michigan and moved across northwest and north central lower Michigan. There were numerous severe wind gusts associated with this line of storms.

The radar

The Green Bay radar (KGRB), 145 km away, was scanning. The volume nearest the first event began at 15:00 UTC.

Open the radar archive at this moment

Event by event

6 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Manistee

When
July 23, 9:58 AM EST
Where
Manistee County, Manistee
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
44.250, -86.320

Several trees down in and around the City of Manistee

Thunderstorm Wind, Manistee

When
July 23, 10:22 AM EST
Where
Manistee County, Wellston
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
44.220, -85.950

Thunderstorm Wind, Wexford

When
July 23, 11:25 AM EST
Where
Wexford County, Cadillac
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
44.250, -85.400

Trees down .

Thunderstorm Wind, Roscommon

When
July 23, 12:04 PM EST
Where
Roscommon County, Higgins Lake
Measured
50 kt (58 mph)
Reported by
LAW ENFORCEMENT
Coordinates
44.420, -84.700

Several trees and power lines down.

Thunderstorm Wind, Ogemaw

When
July 23, 12:30 PM EST
Where
Ogemaw County, West Branch
Measured
50 kt (58 mph)
Reported by
LAW ENFORCEMENT
Coordinates
44.280, -84.220

Several trees and power lines down.

Thunderstorm Wind, Gladwin

When
July 23, 12:39 PM EST
Where
Gladwin County, 5 mi NE of Gladwin
Measured
50 kt (58 mph)
Reported by
LAW ENFORCEMENT
Coordinates
44.030, -84.420

Several trees and power lines down.

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.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Michigan in 1999Every state in 1999This day in weather historyWarnings in Michigan, July 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: 5700791, 5700792, 5700796, 5700795, 5700793, 5700794.