An historic severe weather outbreak in northern Michigan, as multiple waves of severe thunderstorms crossed the region. A passing cold front would finally end the activity during the evening hours. This episode featured widespread straight-line wind damage in parts of northwest lower Michigan, and the largest hail on record in northern Michigan in Ogemaw County.

Hail in KALKASKA, MICHIGAN
From 02-AUG-15 14:50:00 to 02-AUG-15 14:50:00 (EST-5)
Location: SHARON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MISSAUKEE, MICHIGAN
From 02-AUG-15 15:00:00 to 02-AUG-15 15:00:00 (EST-5)
Location: MOORESTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ROSCOMMON, MICHIGAN
From 02-AUG-15 15:25:00 to 02-AUG-15 15:30:00 (EST-5)
Location: LYON MANOR
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LEELANAU, MICHIGAN
From 02-AUG-15 15:31:00 to 02-AUG-15 15:31:00 (EST-5)
Location: LAKE LEELANAU
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ANTRIM, MICHIGAN
From 02-AUG-15 15:40:00 to 02-AUG-15 15:40:00 (EST-5)
Location: ELK RAPIDS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in MANISTEE, MICHIGAN
From 02-AUG-15 17:14:00 to 02-AUG-15 17:14:00 (EST-5)
Location: MANISTEE
Magnitude: 52.00 EG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: County Official

Trees were knocked down in the city of Manistee.

Thunderstorm Wind in IOSCO, MICHIGAN
From 02-AUG-15 16:03:00 to 02-AUG-15 16:03:00 (EST-5)
Location: WHITTEMORE
Magnitude: 52.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Public

Trees were downed by damaging winds.

Hail in MISSAUKEE, MICHIGAN
From 02-AUG-15 16:10:00 to 02-AUG-15 16:10:00 (EST-5)
Location: MOORESTOWN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Hail in OGEMAW, MICHIGAN
From 02-AUG-15 15:50:00 to 02-AUG-15 16:00:00 (EST-5)
Location: WEST BRANCH
Magnitude: 4.50 
Property damage: 32.60M
Crop damage: 0.00K
Reported by: Public

These were the largest known hailstones in northern lower Michigan history. Hail reached just slightly larger than softballs, a few miles north of West Branch. Immense property destruction resulted, with many, many vehicles considered to be total losses, and roofs and siding dented and damaged. Around 350 structures were damaged in some way, shape, or form.

Hail in ANTRIM, MICHIGAN
From 02-AUG-15 15:50:00 to 02-AUG-15 15:50:00 (EST-5)
Location: TORCH LAKE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in GLADWIN, MICHIGAN
From 02-AUG-15 18:38:00 to 02-AUG-15 18:38:00 (EST-5)
Location: BEAVERTON
Magnitude: 54.00 EG
Property damage: 9.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees and large limbs were downed in Beaverton and other nearby portions of southern Gladwin County.

Thunderstorm Wind in MISSAUKEE, MICHIGAN
From 02-AUG-15 18:00:00 to 02-AUG-15 18:00:00 (EST-5)
Location: LAKE CITY
Magnitude: 55.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were downed.

Hail in ARENAC, MICHIGAN
From 02-AUG-15 16:42:00 to 02-AUG-15 16:42:00 (EST-5)
Location: AU GRES
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OGEMAW, MICHIGAN
From 02-AUG-15 16:08:00 to 02-AUG-15 16:08:00 (EST-5)
Location: CAMPBELLS CORNERS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in WEXFORD, MICHIGAN
From 02-AUG-15 16:10:00 to 02-AUG-15 16:10:00 (EST-5)
Location: CADILLAC
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were downed on Wright and Lake Streets in Cadillac.

Thunderstorm Wind in LEELANAU, MICHIGAN
From 02-AUG-15 15:08:00 to 02-AUG-15 15:35:00 (EST-5)
Location: GLEN HAVEN
Magnitude: 78.00 EG
Property damage: 18.80M
Crop damage: 0.00K
Reported by: NWS Storm Survey

An NWS storm survey team estimated winds in excess of 80 mph crossing much of southern Leelanau County. Thousands of trees were downed in this swath, from the Sleeping Bear Dunes to Grand Traverse Bay. Many homes and vehicles were damaged by falling trees. Area roads were closed for days, in some cases weeks. Glen Arbor was inaccessible via road for two days, until M-22 could be cleared of trees and reopened. The county established drop points for residents to leave storm debris; these remained open for seven weeks after the storm. Across Leelanau County, two homes were destroyed, and over 700 were damaged in some way.

Thunderstorm Wind in LEELANAU, MICHIGAN
From 02-AUG-15 15:18:00 to 02-AUG-15 15:30:00 (EST-5)
Location: LELAND
Magnitude: 60.00 EG
Property damage: 5.20M
Crop damage: 0.00K
Reported by: Public

Trees and power lines were downed in northern Leelanau County, though the damage was not as extensive as further south. Still, multiple vehicles and homes were damaged by falling trees.

Thunderstorm Wind in GRAND TRAVERSE, MICHIGAN
From 02-AUG-15 15:26:00 to 02-AUG-15 15:45:00 (EST-5)
Location: GRAWN
Magnitude: 58.00 EG
Property damage: 5.20M
Crop damage: 0.00K
Reported by: Amateur Radio

Considerable wind damage occurred in central Grand Traverse County, including near and just south of Traverse City. Many trees were downed, causing damage to vehicles and homes. Some roads were difficult to travel for a day or two after the storm.

Thunderstorm Wind in GRAND TRAVERSE, MICHIGAN
From 02-AUG-15 15:30:00 to 02-AUG-15 15:40:00 (EST-5)
Location: TRAVERSE CITY
Magnitude: 65.00 EG
Property damage: 7.80M
Crop damage: 0.00K
Reported by: Public

The most concentrated damage in Grand Traverse County occurred on the Old Mission Peninsula. Many trees were down, and multiple vineyards and orchards suffered substantial damage. Vehicles and buildings were also damaged by felled trees. Across Grand Traverse County, nine buildings were considered destroyed, and nearly 400 were damaged in some way.

Thunderstorm Wind in ANTRIM, MICHIGAN
From 02-AUG-15 15:40:00 to 02-AUG-15 16:05:00 (EST-5)
Location: KEWADIN
Magnitude: 60.00 EG
Property damage: 600.00K
Crop damage: 0.00K
Reported by: NWS Employee

Considerable wind damage occurred in southwest and south central Antrim County. Many hundreds of trees were downed in these areas, with some resulting in damage to vehicles and structures. Some side streets were difficult to access for a day or two after the storm. Between 40 and 50 structures suffered some amount of damage from the storm.

Thunderstorm Wind in KALKASKA, MICHIGAN
From 02-AUG-15 15:42:00 to 02-AUG-15 16:25:00 (EST-5)
Location: RAPID CITY
Magnitude: 60.00 EG
Property damage: 540.00K
Crop damage: 0.00K
Reported by: NWS Employee

A swath of widespread wind damage continued across northern Kalkaska County. Hundreds of trees were downed, damaging vehicles and structures as they fell. Between 40 and 50 structures were believed damaged to some extent in Kalkaska County.

Thunderstorm Wind in CRAWFORD, MICHIGAN
From 02-AUG-15 16:10:00 to 02-AUG-15 16:35:00 (EST-5)
Location: FREDERIC
Magnitude: 58.00 EG
Property damage: 1.20M
Crop damage: 0.00K
Reported by: NWS Employee

The swath of damaging winds continued from further west, but damage was becoming less widespread and more spotty with time. Still, there were occasional pockets were dozens of trees were downed, especially from Frederic to near Grayling. Tress took down power lines, and damaged cars, homes, and businesses. Almost 100 buildings suffered some degree of damage due to the storm.

Thunderstorm Wind in EMMET, MICHIGAN
From 02-AUG-15 09:15:00 to 02-AUG-15 09:15:00 (EST-5)
Location: BRUTUS
Magnitude: 52.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees and power lines were downed.

Thunderstorm Wind in PRESQUE ISLE, MICHIGAN
From 02-AUG-15 09:40:00 to 02-AUG-15 09:48:00 (EST-5)
Location: ONAWAY
Magnitude: 55.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees and power lines were downed in western Presque Isle County.

Thunderstorm Wind in PRESQUE ISLE, MICHIGAN
From 02-AUG-15 09:52:00 to 02-AUG-15 10:00:00 (EST-5)
Location: OCQUEOC
Magnitude: 57.00 MG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Mariner

A number of trees and power lines were downed in and west of Rogers City. A boater at harbor in Rogers City measured a 66 mph gust.

Lightning in CHEBOYGAN, MICHIGAN
From 02-AUG-15 10:00:00 to 02-AUG-15 10:00:00 (EST-5)
Location: ATTON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Two people were injured by a lightning strike at a campground. They were treated and released from a local hospital later that same day.

Thunderstorm Wind in LEELANAU, MICHIGAN
From 02-AUG-15 10:40:00 to 02-AUG-15 10:45:00 (EST-5)
Location: LAKE LEELANAU
Magnitude: 55.00 EG
Property damage: 18.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and power lines were downed in central Leelanau County.

Thunderstorm Wind in CHEBOYGAN, MICHIGAN
From 02-AUG-15 09:25:00 to 02-AUG-15 09:25:00 (EST-5)
Location: COLD SPGS
Magnitude: 56.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Many trees and power lines were downed in the Burt Lake and Mullet Lake area. Several homes were damaged by falling trees.

Thunderstorm Wind in OTSEGO, MICHIGAN
From 02-AUG-15 11:35:00 to 02-AUG-15 11:45:00 (EST-5)
Location: ELMIRA
Magnitude: 54.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

Scattered trees were downed from near Elmira to Gaylord. A few homes and vehicles were damaged by falling trees.

Thunderstorm Wind in MONTMORENCY, MICHIGAN
From 02-AUG-15 12:00:00 to 02-AUG-15 12:00:00 (EST-5)
Location: ATLANTA
Magnitude: 52.00 EG
Property damage: 9.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were downed between Lewiston and Atlanta.

Thunderstorm Wind in GLADWIN, MICHIGAN
From 02-AUG-15 12:25:00 to 02-AUG-15 12:25:00 (EST-5)
Location: GLADWIN
Magnitude: 54.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and power lines downed, in particular on the north end of Gladwin.

Hail in ARENAC, MICHIGAN
From 02-AUG-15 12:45:00 to 02-AUG-15 12:45:00 (EST-5)
Location: STERLING
Magnitude: 1.75 
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Some vehicles were damaged by golfball-sized hail.

Thunderstorm Wind in ARENAC, MICHIGAN
From 02-AUG-15 12:45:00 to 02-AUG-15 12:45:00 (EST-5)
Location: STERLING
Magnitude: 55.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

Numerous trees were downed, some of which were left leaning against structures.

Thunderstorm Wind in ALPENA, MICHIGAN
From 02-AUG-15 12:30:00 to 02-AUG-15 12:30:00 (EST-5)
Location: SPRATT
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter estimated winds of 60 mph, and several large tree limbs were downed.

Hail in ALCONA, MICHIGAN
From 02-AUG-15 12:45:00 to 02-AUG-15 12:45:00 (EST-5)
Location: SPRUCE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public