Michigan, 1999Flash 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.
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
- 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.
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
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
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
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
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
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
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
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
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
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
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
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
- 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.
- Heat in Pennsylvania, July 4 to 6, 199974 deaths · 135 injured · 10 events
- Heat in New York, July 4 to 6, 199933 deaths · 15 events
- Heat in Maryland, July 4 to 7, 199915 deaths · 241 injured · 14 events
- Heat in New Jersey, July 4 to 6, 199917 deaths · 160 injured · 20 events
- Heat in New Jersey, July 4 to 6, 199910 deaths · 6 events
- Heat in District of Columbia, July 4 to 7, 19993 deaths · 140 injured · 1 event
- Heat in Virginia, July 4 to 7, 19991 death · 80 injured · 23 events
- Heat in Delaware, July 4 to 6, 19994 deaths · 10 injured · 4 events
- Heat in Michigan, July 4 to 5, 199952 injured · 17 events
- Flood and Hail in North Dakota, July 4, 1999$85 million · 1 in hail · 12 events
- Rip Current in Alabama, July 4, 19991 death · 1 event
- Rip Current in California, July 4, 19991 death · 1 event
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.