A large upper low over the area caused numerous slow moving thunderstorms to develop during the afternoon of August 1st. The severe thunderstorms produced hail and wind damage.

Thunderstorm Wind in LENAWEE, MICHIGAN
From 01-AUG-03 16:40:00 to 01-AUG-03 16:40:00 (EST)
Location: ROME CENTER
Magnitude: 56 EG
Reported by: LAW ENFORCEMENT

Local law enforcement reported power lines down.

Thunderstorm Wind in MACOMB, MICHIGAN
From 01-AUG-03 15:31:00 to 01-AUG-03 15:31:00 (EST)
Location: ROSEVILLE
Magnitude: 56 EG
Reported by: TRAINED SPOTTER

A trained weather spotter reported a 65 mph thunderstorm wind gust.

Hail in MACOMB, MICHIGAN
From 01-AUG-03 15:43:00 to 01-AUG-03 15:43:00 (EST)
Location: RICHMOND
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in LENAWEE, MICHIGAN
From 01-AUG-03 16:43:00 to 01-AUG-03 16:43:00 (EST)
Location: HUDSON
Magnitude: 56 EG
Reported by: TRAINED SPOTTER

Spotters reported several large tree limbs down.

Thunderstorm Wind in SHIAWASSEE, MICHIGAN
From 01-AUG-03 12:30:00 to 01-AUG-03 12:30:00 (EST)
Location: LAINGSBURG
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

A trained weather spotter estimated a thunderstorm wind gust of 60 mph.

Thunderstorm Wind in WAYNE, MICHIGAN
From 01-AUG-03 15:10:00 to 01-AUG-03 15:10:00 (EST)
Location: PLYMOUTH
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

A trained weather spotter reported small trees blown down.

Hail in LAPEER, MICHIGAN
From 01-AUG-03 15:05:00 to 01-AUG-03 15:05:00 (EST)
Location: LAPEER
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

Hail in ST. CLAIR, MICHIGAN
From 01-AUG-03 15:48:00 to 01-AUG-03 15:48:00 (EST)
Location: RUBY
Magnitude: 1.00 
Reported by: EMERGENCY MANAGER

Thunderstorm Wind in GENESEE, MICHIGAN
From 01-AUG-03 13:01:00 to 01-AUG-03 13:01:00 (EST)
Location: MT MORRIS
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

A trained weather spotter estimated a 60 mph thunderstorm wind gust.

Hail in GENESEE, MICHIGAN
From 01-AUG-03 14:00:00 to 01-AUG-03 14:00:00 (EST)
Location: BURTON
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in WASHTENAW, MICHIGAN
From 01-AUG-03 14:40:00 to 01-AUG-03 14:40:00 (EST)
Location: ANN ARBOR
Magnitude: 54 EG
Reported by: TRAINED SPOTTER

A trained weather spotter reported a 1 foot diameter tree down.

Thunderstorm Wind in OAKLAND, MICHIGAN
From 01-AUG-03 15:00:00 to 01-AUG-03 15:00:00 (EST)
Location: WATERFORD
Magnitude: 52 EG
Reported by: NWS EMPLOYEE(OFF DUTY)

An NWS employee reported multiple 6 inch tree limbs down.

Thunderstorm Wind in OAKLAND, MICHIGAN
From 01-AUG-03 15:15:00 to 01-AUG-03 15:15:00 (EST)
Location: ROCHESTER HILLS
Magnitude: 54 EG
Reported by: TRAINED SPOTTER

A trained weather spotter reported trees blown down.

Thunderstorm Wind in MACOMB, MICHIGAN
From 01-AUG-03 15:29:00 to 01-AUG-03 15:29:00 (EST)
Location: WARREN
Magnitude: 65 EG
Reported by: TRAINED SPOTTER

A trained weather spotter reported 5 inch tree limbs down.

Thunderstorm Wind in ST. CLAIR, MICHIGAN
From 01-AUG-03 16:08:00 to 01-AUG-03 16:08:00 (EST)
Location: ANCHORVILLE
Magnitude: 56 EG
Reported by: TRAINED SPOTTER

Spotters reported several trees blown down.

Hail in LIVINGSTON, MICHIGAN
From 01-AUG-03 14:06:00 to 01-AUG-03 14:06:00 (EST)
Location: HOWELL
Magnitude: 0.75 
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in WASHTENAW, MICHIGAN
From 01-AUG-03 14:24:00 to 01-AUG-03 14:24:00 (EST)
Location: CHELSEA
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

Spotters reported a 4 inch diameter tree blown down.

Thunderstorm Wind in OAKLAND, MICHIGAN
From 01-AUG-03 14:47:00 to 01-AUG-03 14:47:00 (EST)
Location: COMMERCE
Magnitude: 54 EG
Reported by: TRAINED SPOTTER

Spotters reported large tree limbs blown down.

Lightning in MACOMB, MICHIGAN
From 01-AUG-03 16:45:00 to 01-AUG-03 16:45:00 (EST)
Location: ROSEVILLE
Reported by: NEWSPAPER

A woman was struck by lightning while loading groceries into her car. The woman was treated and released from the hospital.

Lightning in LENAWEE, MICHIGAN
From 01-AUG-03 17:00:00 to 01-AUG-03 17:00:00 (EST)
Location: ADRIAN
Reported by: NEWSPAPER

A woman was struck by lightning and killed standing in her backyard.

Thunderstorm Wind in WASHTENAW, MICHIGAN
From 01-AUG-03 14:45:00 to 01-AUG-03 14:45:00 (EST)
Location: YPSILANTI
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

Spotters reported a 8 inch diameter tree blown down.

Hail in LENAWEE, MICHIGAN
From 01-AUG-03 16:58:00 to 01-AUG-03 16:58:00 (EST)
Location: ADRIAN
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in LENAWEE, MICHIGAN
From 01-AUG-03 17:08:00 to 01-AUG-03 17:08:00 (EST)
Location: ADRIAN
Magnitude: 58 EG
Reported by: TRAINED SPOTTER

Spotters reported several trees and power lines blown down.

Lightning in OAKLAND, MICHIGAN
From 01-AUG-03 15:30:00 to 01-AUG-03 15:30:00 (EST)
Location: TROY
Reported by: NEWSPAPER

An 11 year old boy was struck by lightning on Garry Road. CPR was performed on the boy, who later recovered.