A weak upper level disturbance, interacted with a stationary front along the Highway 36 corridor, to produce severe thunderstorms, during the afternoon and evening hours of July 12, 2011. There were several reports of hail and damaging winds.

Hail in ADAIR, MISSOURI
From 12-JUL-11 12:30:00 to 12-JUL-11 12:30:00 (CST-6)
Location: NOVINGER
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DE KALB, MISSOURI
From 12-JUL-11 17:08:00 to 12-JUL-11 17:08:00 (CST-6)
Location: AMITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in DE KALB, MISSOURI
From 12-JUL-11 17:18:00 to 12-JUL-11 17:18:00 (CST-6)
Location: WEATHERBY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DE KALB, MISSOURI
From 12-JUL-11 17:19:00 to 12-JUL-11 17:19:00 (CST-6)
Location: MAYSVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DE KALB, MISSOURI
From 12-JUL-11 17:30:00 to 12-JUL-11 17:30:00 (CST-6)
Location: MAYSVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in JACKSON, MISSOURI
From 12-JUL-11 20:30:00 to 12-JUL-11 20:30:00 (CST-6)
Location: LEES SUMMIT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JACKSON, MISSOURI
From 12-JUL-11 20:43:00 to 12-JUL-11 20:43:00 (CST-6)
Location: KANSAS CITY DOWNTOWN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in MACON, MISSOURI
From 12-JUL-11 13:05:00 to 12-JUL-11 13:05:00 (CST-6)
Location: LA PLATA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

An eight inch diameter tree was knocked onto the westbound lane of Highway 156. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in ADAIR, MISSOURI
From 12-JUL-11 13:22:00 to 12-JUL-11 13:22:00 (CST-6)
Location: KIRKSVILLE
Magnitude: 61.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A flagpole was blown down and two car windows were blown out. Thunderstorm wind gusts were estimated up to 70 mph.

Thunderstorm Wind in CALDWELL, MISSOURI
From 12-JUL-11 17:47:00 to 12-JUL-11 17:47:00 (CST-6)
Location: BARWICK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Five to seven inch in diameter tree branches were blown down. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in JACKSON, MISSOURI
From 12-JUL-11 20:20:00 to 12-JUL-11 20:20:00 (CST-6)
Location: GRAIN VLY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was reported blown down, near Truman Road and Fields Road. Thunderstorm wind gusts were estimated up to 60 mph.

Thunderstorm Wind in ADAIR, MISSOURI
From 12-JUL-11 12:39:00 to 12-JUL-11 12:39:00 (CST-6)
Location: KIRKSVILLE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Kirksville Airport ASOS, measured a thunderstorm wind gust at 60 mph.

Thunderstorm Wind in JACKSON, MISSOURI
From 12-JUL-11 20:43:00 to 12-JUL-11 20:43:00 (CST-6)
Location: KANSAS CITY DOWNTOWN
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm wind gusts were estimated up to 65 mph, near the 4300 block of Independence Avenue.

Flood in JACKSON, MISSOURI
From 12-JUL-11 20:55:00 to 12-JUL-11 23:55:00 (CST-6)
Location: DODSON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

At the intersection of 69th Street and Brookside, some street flooding was reported.

Thunderstorm Wind in ADAIR, MISSOURI
From 12-JUL-11 12:39:00 to 12-JUL-11 12:39:00 (CST-6)
Location: KIRKSVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several large tree branches were reported down. Thunderstorm wind gusts were estimated up to 60 mph.