An upper level disturbance, combined with a cold front, caused severe thunderstorms
to develop a bow echo across much of northwest Missouri. The damaging winds were observed in the late afternoon and evening hours of August 13, 2010.

Thunderstorm Wind in CALDWELL, MISSOURI
From 13-AUG-10 17:40:00 to 13-AUG-10 17:40:00 (CST-6)
Location: HAMILTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in CLINTON, MISSOURI
From 13-AUG-10 18:07:00 to 13-AUG-10 18:07:00 (CST-6)
Location: PLATTSBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in CLINTON, MISSOURI
From 13-AUG-10 18:10:00 to 13-AUG-10 18:10:00 (CST-6)
Location: PLATTSBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in CALDWELL, MISSOURI
From 13-AUG-10 17:53:00 to 13-AUG-10 17:53:00 (CST-6)
Location: BRECKENRIDGE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm wind gusts were estimated up to 65 mph.

Thunderstorm Wind in DE KALB, MISSOURI
From 13-AUG-10 17:24:00 to 13-AUG-10 17:24:00 (CST-6)
Location: OSBORN
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm wind gusts were estimated up to 80 mph. Trees up to two feet in diameter were split and blown over.

Thunderstorm Wind in LIVINGSTON, MISSOURI
From 13-AUG-10 18:15:00 to 13-AUG-10 18:15:00 (CST-6)
Location: DAWN
Magnitude: 52.00 EG
Property damage: 0.10K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm wind gusts were estimated up to 60 mph, with roof shingles blown off a home.

Thunderstorm Wind in JACKSON, MISSOURI
From 13-AUG-10 21:40:00 to 13-AUG-10 21:40:00 (CST-6)
Location: GRANDVIEW
Magnitude: 52.00 EG
Property damage: 0.40K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm wind gusts were estimated up to 60 mmph, with road signs blown down.

Thunderstorm Wind in ANDREW, MISSOURI
From 13-AUG-10 16:48:00 to 13-AUG-10 16:48:00 (CST-6)
Location: COSBY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm wind gusts were estimated to 60 mph. Several large tree limbs were reported down along Highway 169.

Thunderstorm Wind in BUCHANAN, MISSOURI
From 13-AUG-10 17:00:00 to 13-AUG-10 17:00:00 (CST-6)
Location: ST JOSEPH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several large tree limbs were reported down, at the intersection of Locust and 30th Streets. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in BUCHANAN, MISSOURI
From 13-AUG-10 17:22:00 to 13-AUG-10 17:22:00 (CST-6)
Location: SAXTON
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Numrous vendor tents were blown down, at the Kansas City Chiefs training camp, at Missouri Western State College. Debris was strewn about the practice field, with winds estimated up to 60 mph.

Thunderstorm Wind in DAVIESS, MISSOURI
From 13-AUG-10 17:23:00 to 13-AUG-10 17:23:00 (CST-6)
Location: WINSTON
Magnitude: 61.00 EG
Property damage: 0.75K
Crop damage: 0.00K
Reported by: Law Enforcement

A tractor trailer was blown off of Interstate 35, near exit 61. The driver suffered minor injuries. Numerous trees were blown down, and blocked portions of Highway 69 near Winston. Thunderstorm wind gusts were estimated to 70 mph.

Thunderstorm Wind in DE KALB, MISSOURI
From 13-AUG-10 17:26:00 to 13-AUG-10 17:26:00 (CST-6)
Location: OSBORN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in DAVIESS, MISSOURI
From 13-AUG-10 17:33:00 to 13-AUG-10 17:33:00 (CST-6)
Location: CIVIL BEND
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree was reported down across Interstate 35, near mile marker 68. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in CLINTON, MISSOURI
From 13-AUG-10 17:35:00 to 13-AUG-10 17:35:00 (CST-6)
Location: CAMERON MUNI ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm wind gusts were estimated up to 60 mp. Tree limbs up to 4 inches in diameter were reported down.

Thunderstorm Wind in CLAY, MISSOURI
From 13-AUG-10 18:14:00 to 13-AUG-10 18:14:00 (CST-6)
Location: LINDEN
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was reported down on a mobile home, near Highway 169 and NW Englewood Road. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in CLAY, MISSOURI
From 13-AUG-10 18:14:00 to 13-AUG-10 18:14:00 (CST-6)
Location: GASHLAND
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported down on powerlines, near Highway 169 and North 68th Street. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in CLAY, MISSOURI
From 13-AUG-10 18:21:00 to 13-AUG-10 18:21:00 (CST-6)
Location: HOLT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was reported down near 184th Street and Lancaster Road. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in CLAY, MISSOURI
From 13-AUG-10 18:33:00 to 13-AUG-10 18:33:00 (CST-6)
Location: PLEASANT VLY
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Powerlines were reported down near East Longfellow and North Bryant Roads. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in LINN, MISSOURI
From 13-AUG-10 18:45:00 to 13-AUG-10 18:45:00 (CST-6)
Location: LINNEUS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was blown over with thunderstorm wind gusts estimated to 60 mph.

Thunderstorm Wind in PETTIS, MISSOURI
From 13-AUG-10 19:50:00 to 13-AUG-10 19:50:00 (CST-6)
Location: LAMONTE
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Emergency Manager

Three tents were blown over with three minor injuries reported, near the Grandstand at the Missorui State Fairgrounds. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in RANDOLPH, MISSOURI
From 13-AUG-10 20:13:00 to 13-AUG-10 20:13:00 (CST-6)
Location: CLARK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree was reported to be blocking Highway P. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in JACKSON, MISSOURI
From 13-AUG-10 21:52:00 to 13-AUG-10 21:52:00 (CST-6)
Location: SOUTH LEE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Large tree limbs were reported down, with thunderstorm wind gusts estimated to 60 mph.

Thunderstorm Wind in DAVIESS, MISSOURI
From 13-AUG-10 17:46:00 to 13-AUG-10 17:46:00 (CST-6)
Location: GALLATIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in DAVIESS, MISSOURI
From 13-AUG-10 17:36:00 to 13-AUG-10 17:36:00 (CST-6)
Location: PATTONSBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree was blocking Highway 69 between Pattonsburg and Winston. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in DAVIESS, MISSOURI
From 13-AUG-10 17:45:00 to 13-AUG-10 17:45:00 (CST-6)
Location: GALLATIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in ANDREW, MISSOURI
From 13-AUG-10 16:35:00 to 13-AUG-10 16:35:00 (CST-6)
Location: SAVANNAH
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A powerpole was blown over on County Road 33. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in LIVINGSTON, MISSOURI
From 13-AUG-10 18:30:00 to 13-AUG-10 18:30:00 (CST-6)
Location: CHILLICOTHE
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Powerlines were reported down across the town. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in PLATTE, MISSOURI
From 13-AUG-10 18:01:00 to 13-AUG-10 18:01:00 (CST-6)
Location: MILTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree was blown down near Interstate 29 and 72nd Street. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in CALDWELL, MISSOURI
From 13-AUG-10 17:45:00 to 13-AUG-10 17:45:00 (CST-6)
Location: KINGSTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in DAVIESS, MISSOURI
From 13-AUG-10 17:36:00 to 13-AUG-10 17:36:00 (CST-6)
Location: ALTAMONT
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in CALDWELL, MISSOURI
From 13-AUG-10 17:55:00 to 13-AUG-10 17:55:00 (CST-6)
Location: POLO
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm wind gust was estimated up to 65 mph.