An upper air disturbance move across Lower Michigan during the late afternoon and evening hours on the 19th. This disturbance combined with unseasonably warm and humid air across Lower Michigan to trigger widespread thunderstorms. These thunderstorms initially moved into the Saginaw Valley during the late afternoon hours. During the evening, another round of thunderstorms moved from south to north across the region. Some of these thunderstorms were severe with damaging wind gusts.

Thunderstorm Wind in MONROE, MICHIGAN
From 19-SEP-02 18:30:00 to 19-SEP-02 18:30:00 (EST)
Location: TEMPERANCE
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Spotters reported several large trees blown down in thunderstorm winds.

Lightning in WASHTENAW, MICHIGAN
From 19-SEP-02 17:55:00 to 19-SEP-02 17:55:00 (EST)
Location: ANN ARBOR
Reported by: BROADCAST MEDIA

Three men were installing a roof at an apartment complex under construction when they were struck by lightning. Two of the men were injured, while the third was later pronounced dead.

Thunderstorm Wind in OAKLAND, MICHIGAN
From 19-SEP-02 18:02:00 to 19-SEP-02 18:02:00 (EST)
Location: MILFORD
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Spotters reported several six inch diameter tree limbs blown down in thunderstorm winds.

Thunderstorm Wind in WASHTENAW, MICHIGAN
From 19-SEP-02 18:06:00 to 19-SEP-02 18:06:00 (EST)
Location: WHITTAKER
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Spotters reported that thunderstorm winds blew several eight inch diameter tree limbs down.

Thunderstorm Wind in ST. CLAIR, MICHIGAN
From 19-SEP-02 19:45:00 to 19-SEP-02 19:45:00 (EST)
Location: ALGONAC
Magnitude: 55 E
Property damage: 100K
Reported by: TRAINED SPOTTER

The media and trained spotters reported numerous large trees blown down in Algonac and on Harsens Island. One tree fell onto the roof of a home. A pickup truck was destroyed by a fallen tree. Two tool sheds were also destroyed by fallen trees.

Thunderstorm Wind in MONROE, MICHIGAN
From 19-SEP-02 18:30:00 to 19-SEP-02 18:30:00 (EST)
Location: LAMBERTVILLE
Magnitude: 50 E
Property damage: 2K
Reported by: TRAINED SPOTTER

Spotters reported that thunderstorm winds blew over a half a dozen telephone poles.

Thunderstorm Wind in SAGINAW, MICHIGAN
From 19-SEP-02 16:00:00 to 19-SEP-02 16:00:00 (EST)
Location: SAGINAW
Magnitude: 50 E
Reported by: NEWSPAPER

The newspaper reported that thunderstorm winds blew down a large tree and several large branches in residential areas near the downtown.

Hail in SHIAWASSEE, MICHIGAN
From 19-SEP-02 15:38:00 to 19-SEP-02 15:38:00 (EST)
Location: PERRY
Magnitude: 0.88 
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in BAY, MICHIGAN
From 19-SEP-02 16:05:00 to 19-SEP-02 16:05:00 (EST)
Location: ESSEXVILLE
Magnitude: 54 M
Reported by: COASTAL OBSERVING STATION

Thunderstorm Wind in LENAWEE, MICHIGAN
From 19-SEP-02 17:15:00 to 19-SEP-02 17:15:00 (EST)
Location: ADRIAN
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Spotters reported several large tree limbs blown down in thunderstorm winds.

Thunderstorm Wind in LIVINGSTON, MICHIGAN
From 19-SEP-02 17:57:00 to 19-SEP-02 17:57:00 (EST)
Location: BRIGHTON
Magnitude: 52 E
Reported by: TRAINED SPOTTER

A spotter reported that a large tree was blown over in thunderstorm winds.

Thunderstorm Wind in BAY, MICHIGAN
From 19-SEP-02 16:05:00 to 19-SEP-02 16:05:00 (EST)
Location: WILLARD
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Spotters reported that thunderstorms blew several large tree limbs onto the road.

Thunderstorm Wind in MIDLAND, MICHIGAN
From 19-SEP-02 16:00:00 to 19-SEP-02 16:00:00 (EST)
Location: MIDLAND
Magnitude: 50 E
Reported by: LAW ENFORCEMENT

Law enforcement reported numerous trees blown down in thunderstorm winds.

Thunderstorm Wind in MIDLAND, MICHIGAN
From 19-SEP-02 15:50:00 to 19-SEP-02 15:50:00 (EST)
Location: MIDLAND
Magnitude: 52 E
Reported by: TRAINED SPOTTER

Trained spotters reported that thunderstorm winds uprooted and blown onto Brooks Road near Meridian Road in Mount Haley Township.

Thunderstorm Wind in BAY, MICHIGAN
From 19-SEP-02 16:00:00 to 19-SEP-02 16:00:00 (EST)
Location: BAY CITY
Magnitude: 52 E
Property damage: 25K
Reported by: LAW ENFORCEMENT

Law enforcement reported that several large trees were blown down and that several garage doors were blown in due to thunderstorm winds.