A forward-propagating mesoscale convective system brought damaging winds to portions of southeast Missouri. The electric co-operative serving the five affected counties reported 5,450 customers lost power. The thunderstorm complex moved southeast at 40 knots across the Ozark foothills toward the Bootheel. The complex stayed generally southwest of a Greenville to Dexter to New Madrid line. The storms occurred ahead of a weak cold front that extended from central Illinois to central and southwest Missouri. The environment was very moist and moderately to strongly unstable. The storms occurred on the southern fringe of a band of moderately strong west-northwest mid-level flow.

Thunderstorm Wind in BUTLER, MISSOURI
From 07-AUG-11 20:35:00 to 07-AUG-11 20:35:00 (CST-6)
Location: POPLAR BLUFF
Magnitude: 53.00 MG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured a wind gust to 61 mph. Branches of varying shapes and sizes were blown down, along with a large dead tree. Power was knocked out for nine hours.

Thunderstorm Wind in BUTLER, MISSOURI
From 07-AUG-11 20:44:00 to 07-AUG-11 20:44:00 (CST-6)
Location: HARVIELL
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

A carport was flipped over. A front porch was blown off a mobile home.

Thunderstorm Wind in WAYNE, MISSOURI
From 07-AUG-11 20:38:00 to 07-AUG-11 20:38:00 (CST-6)
Location: SHOOK
Magnitude: 52.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Newspaper

Broken power poles were reported in the Lost Creek area. State road crews removed several trees and limbs from state roads.

Thunderstorm Wind in BUTLER, MISSOURI
From 07-AUG-11 20:58:00 to 07-AUG-11 20:58:00 (CST-6)
Location: FAGUS
Magnitude: 56.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Newspaper

Broken power poles were reported around Fagus.

Thunderstorm Wind in NEW MADRID, MISSOURI
From 07-AUG-11 21:46:00 to 07-AUG-11 21:46:00 (CST-6)
Location: NEW MADRID
Magnitude: 56.00 EG
Property damage: 17.00K
Crop damage: 0.00K
Reported by: Newspaper

Utility poles were blown over in at least two places.

Thunderstorm Wind in CARTER, MISSOURI
From 07-AUG-11 19:47:00 to 07-AUG-11 19:47:00 (CST-6)
Location: FREMONT
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Trees were blown down in and around Fremont.

Thunderstorm Wind in STODDARD, MISSOURI
From 07-AUG-11 21:00:00 to 07-AUG-11 21:00:00 (CST-6)
Location: PAXICO
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down. Sheds were blown around.

Thunderstorm Wind in RIPLEY, MISSOURI
From 07-AUG-11 20:07:00 to 07-AUG-11 20:07:00 (CST-6)
Location: DONIPHAN
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in BUTLER, MISSOURI
From 07-AUG-11 20:40:00 to 07-AUG-11 20:46:00 (CST-6)
Location: POPLAR BLUFF
Magnitude: 56.00 MG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: ASOS

The automated weather observation system at the Poplar Bluff airport measured a wind gust to 64 mph. A steeple was blown off a church in the city of Poplar Bluff. The steeple was made of fiberglass and measured about four feet by four feet at its base and was about 15 feet tall. In the city of Poplar Bluff, tree limbs and a few whole trees were blown onto power lines. Broken power poles were reported off U.S. Highway 67 north of Poplar Bluff and Highway B east of Poplar Bluff. One of the biggest outages disrupted power to over 600 customers. Power was not fully restored until the following morning. Street department crews cleaned up tree debris well into the next day. In the city of Poplar Bluff, street crews removed 15 trees, 12 of which blocked streets. Limbs were blown down across the city. Outside the city, county road crews reported four roads were blocked. A motorist escaped injury when a tree fell on a vehicle on Highway B east of Poplar Bluff. The vehicle was towed away.

Thunderstorm Wind in CARTER, MISSOURI
From 07-AUG-11 20:00:00 to 07-AUG-11 20:00:00 (CST-6)
Location: VAN BUREN
Magnitude: 61.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Public

In Van Buren, a large tree was blown down at the county courthouse. In Eastwood, trees were blown down in town, shingles were blown off roofs, and a roof was ripped off a front porch and blown over the house into the back yard. Tree damage was reported at various other locations near these communities.