Storms which weakened across Lake Michigan produced an outflow boundary. This boundary worked into far southern Lower Michigan and interacted with a lake breeze boundary to promote rapid storm development. Reports of damaging winds and some hail were received, but the storms failed to maintain their severity eastward as a large outflow boundary work across and south of the area, cutting off the limited available moisture.

Hail in ST. JOSEPH, MICHIGAN
From 13-AUG-11 15:47:00 to 13-AUG-11 15:48:00 (EST-5)
Location: THREE RIVERS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported hail covering the ground ranging in size from peas to quarters.

Thunderstorm Wind in BERRIEN, MICHIGAN
From 13-AUG-11 15:00:00 to 13-AUG-11 15:01:00 (EST-5)
Location: COLOMA
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement officials reported several trees and power lines down in the Coloma area.

Thunderstorm Wind in CASS, MICHIGAN
From 13-AUG-11 15:20:00 to 13-AUG-11 15:21:00 (EST-5)
Location: CASSOPOLIS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement officials reported several tree limbs down as well as power line across the county.

Thunderstorm Wind in ST. JOSEPH, MICHIGAN
From 13-AUG-11 16:09:00 to 13-AUG-11 16:10:00 (EST-5)
Location: NOTTAWA
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported multiple eight inch diameter tree limbs down at Nottawa Road and M-86.

Thunderstorm Wind in BRANCH, MICHIGAN
From 13-AUG-11 16:23:00 to 13-AUG-11 16:24:00 (EST-5)
Location: UNION CITY
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported tree limbs down onto power lines near Union City. A transformer was on fire on one of the power poles that was affected.

Thunderstorm Wind in BRANCH, MICHIGAN
From 13-AUG-11 16:25:00 to 13-AUG-11 16:26:00 (EST-5)
Location: UNION CITY
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported a large tree down near the intersection of S and Union Roads.

Thunderstorm Wind in BRANCH, MICHIGAN
From 13-AUG-11 16:29:00 to 13-AUG-11 16:30:00 (EST-5)
Location: GIRARD
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported a tree down on County Road 6. Power lines were arcing in the area.

Thunderstorm Wind in BRANCH, MICHIGAN
From 13-AUG-11 16:37:00 to 13-AUG-11 16:38:00 (EST-5)
Location: COLDWATER
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management officials reported numerous trees down across the northern parts of the county.

Thunderstorm Wind in ST. JOSEPH, MICHIGAN
From 13-AUG-11 15:43:00 to 13-AUG-11 15:44:00 (EST-5)
Location: THREE RIVERS
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter recorded a 71 mph wind gust just to the northwest of Three Rivers.

Hail in CASS, MICHIGAN
From 13-AUG-11 15:30:00 to 13-AUG-11 15:31:00 (EST-5)
Location: CASSOPOLIS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Lightning in ST. JOSEPH, MICHIGAN
From 13-AUG-11 16:19:00 to 13-AUG-11 16:20:00 (EST-5)
Location: COLON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A fire official reported that a 17 year old female was struck by lightning at a campground while taking a shower. No specific details were given as to the extent of injuries, which are assumed minor.

Hail in CASS, MICHIGAN
From 13-AUG-11 15:51:00 to 13-AUG-11 15:52:00 (EST-5)
Location: JONES
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter