Michigan, 1999

Flash Flooding and Hail in Michigan, July 4 to 31, 1999

July 4 to 31, 1999 · NWS MQT · 64 events in 13 counties and zones

50 thunderstorm wind, 12 hail, 2 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 2 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
1
Property damage
$935,000
Crop damage
$60,000
Events
64

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 radar

The Marquette radar (KMQT), 155 km away, was scanning. The volume nearest the first event began at 00:31 UTC.

Open the radar archive at this moment

Event by event

50 thunderstorm wind, 12 hail, 2 flash flood. Local standard time, as filed.

Hail, Ontonagon

When
July 4, 7:30 PM EST
Where
Ontonagon County, Bergland
Measured
1 in hail
Reported by
LAW ENFORCEMENT
Coordinates
46.600, -89.570

Thunderstorm Wind, Gogebic

When
July 5, 5:25 PM EST
Where
Gogebic County, Bessemer
Measured
60 kt (69 mph)
Reported by
UTILITY COMPANY
Coordinates
46.480, -90.050

Many trees and power poles down.

Thunderstorm Wind, Gogebic

When
July 5, 5:35 PM EST
Where
Gogebic County, Ironwood
Measured
60 kt (69 mph)
Property damage
$15,000
Reported by
DEPT OF HIGHWAYS
Coordinates
46.470, -90.170

Over 100 trees down on Lake Rd. Two houses and a car were damaged by falling trees.

Thunderstorm Wind, Ontonagon

When
July 5, 5:50 PM EST
Where
Ontonagon County, Rockland
Measured
55 kt (63 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.730, -89.180

Thunderstorm Wind, Gogebic

When
July 5, 5:50 PM EST
Where
Gogebic County, Marenisco
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.380, -89.680

Several trees down

Thunderstorm Wind, Houghton

When
July 5, 6:00 PM EST
Where
Houghton County, Baltic
Measured
55 kt (63 mph)
Reported by
LAW ENFORCEMENT
Coordinates
47.070, -88.650

Many trees down.

Thunderstorm Wind, Ontonagon

When
July 5, 6:06 PM EST
Where
Ontonagon County, Ontonagon
Measured
58 kt (67 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.870, -89.300

Top of 40 foot spruce tree broken off.

Thunderstorm Wind, Houghton

When
July 5, 6:15 PM EST
Where
Houghton County, Chassell
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
47.030, -88.530

Many small trees down.

Thunderstorm Wind, Baraga

When
July 5, 6:30 PM EST
Where
Baraga County, Three Lakes
Measured
60 kt (69 mph)
Property damage
$100,000
Reported by
GENERAL PUBLIC
Coordinates
46.730, -88.130

Trees uprooted - power lines down - some trees on houses. A resort at Lake Ruth suffered wind damage to its main lodge, three cabins, and two sheds. Six of its twelve 14 foot fishing boats were damaged beyond repair. Two houses on Lake George were seriously damaged by falling trees.

Thunderstorm Wind, Marquette

When
July 5, 6:58 PM EST
Where
Marquette County, Marquette
Measured
60 kt (69 mph)
Property damage
$50,000
Reported by
EMERGENCY MANAGER
Coordinates
46.550, -87.380

Many trees down. Several houses and vehicles were damaged by falling trees.

Thunderstorm Wind, Marquette

When
July 5, 7:05 PM EST
Where
Marquette County, Palmer
Measured
58 kt (67 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
46.430, -87.580

Trees down blocking M-35.

Thunderstorm Wind, Alger

When
July 5, 7:20 PM EST
Where
Alger County, Munising
Measured
58 kt (67 mph)
Injuries
1 direct, 0 indirect
Reported by
PARK/FOREST SERVICE
Coordinates
46.400, -86.650

Downed trees blocking roads. A hiker was injured by a falling tree.

Thunderstorm Wind, Luce

When
July 5, 8:25 PM EST
Where
Luce County, Newberry
Measured
55 kt (63 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
46.350, -85.500

Numerous trees down along CR-413.

Thunderstorm Wind, Delta

When
July 5, 8:30 PM EST
Where
Delta County, Cornell
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
45.900, -87.230

Several small trees down.

Thunderstorm Wind, Schoolcraft

When
July 5, 8:40 PM EST
Where
Schoolcraft County, Germfask
Measured
52 kt (60 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
46.250, -85.920

Large tree limbs down along M-77.

Hail, Luce

When
July 5, 9:07 PM EST
Where
Luce County, Mc Millan
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
46.330, -85.670

Flash Flood, Iron

When
July 14, 10:00 PM EST to July 15, 4:00 PM EST
Where
Iron County, Caspian
Property damage
$225,000
Reported by
EMERGENCY MANAGER
Coordinates
46.209, -88.530 (the zone’s center; the record gives no point)

Two to seven and a half inches of rain fell over southern Iron County between 2200 EST, July 14 and 300 EST July 15. Considerable damage was done to area roads with many secondary roads down to one lane. Several roads were washed out and closed. Seventy-five homes in southern Iron County had flooded basements and some businesses in the low lying area of downtown Iron River were flooded and closed.

Flash Flood, Dickinson

When
July 14, 10:15 PM EST to July 15, 11:00 AM EST
Where
Dickinson County, Iron Mtn
Property damage
$20,000
Reported by
EMERGENCY MANAGER
Coordinates
46.009, -87.870 (the zone’s center; the record gives no point)

Heavy rain from thunderstorms partially washed out several secondary roads and sections of highway US-2 in the Iron Mountain area.

Hail, Dickinson

When
July 14, 10:27 PM EST
Where
Dickinson County, Granite Bluff
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
45.950, -88.030

Thunderstorm Wind, Iron

When
July 15, 1:00 AM EST
Where
Iron County, Stambaugh
Measured
55 kt (63 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.080, -88.620

Trees down on power lines.

Thunderstorm Wind, Dickinson

When
July 16, 2:25 PM EST
Where
Dickinson County, Channing
Measured
55 kt (63 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
46.130, -88.080

Trees down across road.

Thunderstorm Wind, Dickinson

When
July 16, 2:40 PM EST
Where
Dickinson County, Randville
Measured
55 kt (63 mph)
Reported by
EMERGENCY MANAGER
Coordinates
45.980, -88.050

Trees down.

Thunderstorm Wind, Marquette

When
July 16, 3:00 PM EST
Where
Marquette County, Sawyer Afb
Measured
52 kt (60 mph)
Reported by
LAW ENFORCEMENT
Coordinates
46.350, -87.400

Large tree down.

Thunderstorm Wind, Gogebic

When
July 23, 4:55 AM EST
Where
Gogebic County, Wakefield
Measured
52 kt (60 mph)
Reported by
PARK/FOREST SERVICE
Coordinates
46.470, -89.920

4 inch branches down along the southwest shore of Lake Gogebic.

Thunderstorm Wind, Gogebic

When
July 23, 5:45 AM EST
Where
Gogebic County, Watersmeet
Measured
55 kt (63 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
46.270, -89.180

Trees down across US-2.

Thunderstorm Wind, Iron

When
July 23, 6:00 AM EST
Where
Iron County, Iron River
Measured
58 kt (67 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
46.100, -88.650

12 inch dia. pine tree down across CR 657.

Thunderstorm Wind, Iron

When
July 23, 6:10 AM EST
Where
Iron County, Iron River
Measured
58 kt (67 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.100, -88.650

Trees down across CR 643 - power lines down.

Thunderstorm Wind, Iron

When
July 23, 6:15 AM EST
Where
Iron County, Amasa
Measured
60 kt (69 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
46.230, -88.450

Many 8 to 10 inch diameter trees down. across road

Thunderstorm Wind, Baraga

When
July 23, 6:20 AM EST
Where
Baraga County, Nestoria
Measured
60 kt (69 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
46.570, -88.270

10 inch diameter trees down across the road to Craig Lake.

Thunderstorm Wind, Baraga

When
July 23, 6:30 AM EST
Where
Baraga County, Covington
Measured
60 kt (69 mph)
Reported by
LAW ENFORCEMENT
Coordinates
46.550, -88.520

8 to 10 inch trees down in King Lake Campground.

Thunderstorm Wind, Marquette

When
July 23, 6:45 AM EST
Where
Marquette County, Lake Michigamme
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.530, -88.050

3 inch diameter trees and large branches down in Van Riper State Park.

Thunderstorm Wind, Keweenaw

When
July 23, 7:37 PM EST
Where
Keweenaw County, Isle Royal Nat Park
Measured
59 kt (68 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
48.170, -88.470

Gust report from the Passage Island C-MAN station on the north end of Isle Royale.

Thunderstorm Wind, Houghton

When
July 29, 4:35 AM EST
Where
Houghton County, Kenton
Measured
55 kt (63 mph)
Reported by
LAW ENFORCEMENT
Coordinates
46.480, -88.880

Numerous trees down.

Hail, Ontonagon

When
July 29, 4:35 AM EST
Where
Ontonagon County, Bruce Crossing
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
46.530, -89.180

Hail, Marquette

When
July 29, 4:50 AM EST
Where
Marquette County, Big Bay
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
46.820, -87.720

Hail, Gogebic

When
July 29, 5:00 AM EST
Where
Gogebic County, Ironwood
Measured
0.75 in hail
Reported by
DEPT OF HIGHWAYS
Coordinates
46.470, -90.170

Thunderstorm Wind, Marquette

When
July 29, 5:00 AM EST
Where
Marquette County, Diorite
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.520, -87.820

6 inch tree broken.

Hail, Iron

When
July 29, 5:30 AM EST
Where
Iron County, Amasa
Measured
0.88 in hail
Reported by
TRAINED SPOTTER
Coordinates
46.230, -88.450

Nickle sized hail.

Hail, Dickinson

When
July 29, 5:36 AM EST
Where
Dickinson County, Norway
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
45.780, -87.920

Hail, Menominee

When
July 29, 5:45 AM EST
Where
Menominee County, Wilson
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
45.700, -87.450

Thunderstorm Wind, Delta

When
July 29, 6:03 AM EST to 6:16 AM EST
Where
Delta County, Bark River
Measured
75 kt (86 mph)
Reported by
TRAINED SPOTTER
Coordinates
45.720, -87.300

Thunderstorm Wind, Dickinson

When
July 29, 6:15 AM EST
Where
Dickinson County, Norway
Measured
58 kt (67 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
45.780, -87.920

1 foot diameter tree down across Kimberly Road.

Thunderstorm Wind, Delta

When
July 29, 6:20 AM EST
Where
Delta County, Rapid River
Measured
55 kt (63 mph)
Reported by
LAW ENFORCEMENT
Coordinates
45.920, -86.970

6 inch trees down along Highway US-41.

Hail, Menominee

When
July 29, 6:30 AM EST
Where
Menominee County, Carney
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
45.580, -87.570

Thunderstorm Wind, Menominee

When
July 29, 6:45 AM EST
Where
Menominee County, Menominee
Measured
58 kt (67 mph)
Reported by
TRAINED SPOTTER
Coordinates
45.120, -87.620

12 inch maple tree snapped off.

Thunderstorm Wind, Gogebic

When
July 30, 7:45 PM EST
Where
Gogebic County, Bessemer
Measured
58 kt (67 mph)
Property damage
$10,000
Reported by
LAW ENFORCEMENT
Coordinates
46.480, -90.050

Trees down on camping vehicles.

Thunderstorm Wind, Gogebic

When
July 30, 7:55 PM EST
Where
Gogebic County, Wakefield
Measured
60 kt (69 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.470, -89.920

20 inch diameter pine tree toppled.

Thunderstorm Wind, Gogebic

When
July 30, 7:58 PM EST
Where
Gogebic County, Watersmeet
Measured
52 kt (60 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
46.270, -89.180

6 inch trees down on power lines.

Thunderstorm Wind, Ontonagon

When
July 30, 8:20 PM EST
Where
Ontonagon County, Bruce Crossing
Measured
55 kt (63 mph)
Crop damage
$60,000
Reported by
DEPT OF HIGHWAYS
Coordinates
46.530, -89.180

6 to 8 inch diameter apple trees down.

Thunderstorm Wind, Gogebic

When
July 30, 8:21 PM EST
Where
Gogebic County, Wakefield
Property damage
$5,000
Reported by
TRAINED SPOTTER
Coordinates
46.470, -89.920

Satellite dish destroyed. One to two foot diameter pine trees were blown down.

Thunderstorm Wind, Gogebic

When
July 30, 8:45 PM EST
Where
Gogebic County, Watersmeet
Measured
55 kt (63 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.270, -89.180

Numerous trees down - power lines down.

Thunderstorm Wind, Iron

When
July 30, 9:20 PM EST
Where
Iron County, Iron River
Measured
60 kt (69 mph)
Reported by
LAW ENFORCEMENT
Coordinates
46.100, -88.650

24 inch diameter trees down.

Thunderstorm Wind, Baraga

When
July 30, 9:45 PM EST
Where
Baraga County, Covington
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.550, -88.520

58 mph gust.

Thunderstorm Wind, Marquette

When
July 30, 10:00 PM EST
Where
Marquette County, Gwinn
Measured
55 kt (63 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.280, -87.430

10 inch diameter trees down.

Thunderstorm Wind, Marquette

When
July 30, 10:00 PM EST
Where
Marquette County, Witch Lake
Measured
58 kt (67 mph)
Reported by
TRAINED SPOTTER
Coordinates
46.280, -88.020

Trees down across power and phone lines.

Thunderstorm Wind, Dickinson

When
July 30, 10:10 PM EST to 10:30 PM EST
Where
Dickinson County, Countywide
Measured
52 kt (60 mph)
Property damage
$500,000
Reported by
LAW ENFORCEMENT
Coordinates
46.000, -87.800

Scattered reports of trees down. Part of the roof on the North Dickinson School was torn off and carried several hundered yards east over the football field. The wood framed, sheet metal-sided bus garage was considered a total loss and a bus inside the garage was slightly damaged. Near Merriman, an all-terrain vehicle was crushed, two houses suffered roof damage, and a shed and a van were seriously damaged by falling trees. A pick-up truck was crushed by a falling tree in Hardwood.

Hail, Delta

When
July 30, 10:12 PM EST
Where
Delta County, Garden
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
45.780, -86.550

Thunderstorm Wind, Schoolcraft

When
July 30, 10:23 PM EST
Where
Schoolcraft County, Indian Lake
Measured
52 kt (60 mph)
Property damage
$10,000
Reported by
TRAINED SPOTTER
Coordinates
46.000, -86.350

Damage to camping trailers.

Thunderstorm Wind, Menominee

When
July 30, 10:38 PM EST
Where
Menominee County, Spalding
Measured
55 kt (63 mph)
Reported by
LAW ENFORCEMENT
Coordinates
45.700, -87.520

14 inch diameter trees down.

Thunderstorm Wind, Delta

When
July 30, 10:45 PM EST
Where
Delta County, Cornell
Measured
55 kt (63 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
45.900, -87.230

Three 10 inch diameter trees toppled.

Thunderstorm Wind, Delta

When
July 30, 10:59 PM EST to 11:15 PM EST
Where
Delta County, Gladstone
Measured
60 kt (69 mph)
Reported by
DEPT OF HIGHWAYS
Coordinates
45.850, -87.020

Two 3 foot diameter white pine trees down.

Hail, Menominee

When
July 30, 11:20 PM EST
Where
Menominee County, Daggett
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
45.470, -87.620

Thunderstorm Wind, Schoolcraft

When
July 30, 11:20 PM EST to 11:45 PM EST
Where
Schoolcraft County, Countywide
Measured
60 kt (69 mph)
Reported by
LAW ENFORCEMENT
Coordinates
46.200, -86.230

Scattered reports of 1 to 2 foot diameter trees down.

Thunderstorm Wind, Luce

When
July 31, 12:22 AM EST
Where
Luce County, Newberry Luce Arpt
Measured
59 kt (68 mph)
Reported by
EMERGENCY MANAGER
Coordinates
46.300, -85.450

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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.
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 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: 5710540, 5710539, 5710538, 5710536, 5710537, 5710535, 5710534, 5710533, 5710532, 5710531, 5710530, 5710529, 5710526, 5710528, 5710527, 5710525, 5710524, 5710541, 5710523, 5710455, 5710454, 5710453, 5710452, 5710451, 5710450, 5710449, 5710448, 5710447, 5710446, 5710445, 5710444, 5710443, 5710441, 5710442, 5710440, 5710438, 5710439, 5710437, 5710436, 5710435, and more.