Severe thunderstorms developed along a surface boundary, that was draped across west central Missouri, during the late evening hours of June 18th, into the early morning hours of June 19th, 2011. Hail, damaging winds, and flash flooding were observed.

Hail in CASS, MISSOURI
From 18-JUN-11 21:16:00 to 18-JUN-11 21:16:00 (CST-6)
Location: GARDEN CITY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CASS, MISSOURI
From 18-JUN-11 21:12:00 to 18-JUN-11 21:12:00 (CST-6)
Location: PLEASANT HILL
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Hail in CASS, MISSOURI
From 18-JUN-11 20:45:00 to 18-JUN-11 20:45:00 (CST-6)
Location: HARRISONVILLE
Magnitude: 2.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in JACKSON, MISSOURI
From 18-JUN-11 21:31:00 to 18-JUN-11 21:31:00 (CST-6)
Location: LONE JACK BERRY ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in JACKSON, MISSOURI
From 18-JUN-11 21:43:00 to 18-JUN-11 21:43:00 (CST-6)
Location: LAKE LOTAWANA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in JACKSON, MISSOURI
From 18-JUN-11 21:50:00 to 18-JUN-11 21:50:00 (CST-6)
Location: LEES SUMMIT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in JACKSON, MISSOURI
From 18-JUN-11 21:47:00 to 18-JUN-11 21:47:00 (CST-6)
Location: LEES SUMMIT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Hail in JACKSON, MISSOURI
From 18-JUN-11 21:55:00 to 18-JUN-11 21:55:00 (CST-6)
Location: OAK GROVE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in JACKSON, MISSOURI
From 18-JUN-11 22:01:00 to 18-JUN-11 22:01:00 (CST-6)
Location: BLUE SPGS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAFAYETTE, MISSOURI
From 18-JUN-11 21:55:00 to 18-JUN-11 21:55:00 (CST-6)
Location: BATES CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in RAY, MISSOURI
From 18-JUN-11 22:52:00 to 18-JUN-11 22:52:00 (CST-6)
Location: HENRIETTA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in PLATTE, MISSOURI
From 19-JUN-11 00:04:00 to 19-JUN-11 00:04:00 (CST-6)
Location: PLATTE CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PLATTE, MISSOURI
From 19-JUN-11 00:06:00 to 19-JUN-11 00:06:00 (CST-6)
Location: PLATTE CITY
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in PLATTE, MISSOURI
From 19-JUN-11 00:02:00 to 19-JUN-11 00:02:00 (CST-6)
Location: PLATTE CITY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Hail in HENRY, MISSOURI
From 18-JUN-11 19:35:00 to 18-JUN-11 19:35:00 (CST-6)
Location: CALHOUN
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CASS, MISSOURI
From 18-JUN-11 19:53:00 to 18-JUN-11 19:53:00 (CST-6)
Location: AUSTIN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HENRY, MISSOURI
From 18-JUN-11 20:03:00 to 18-JUN-11 20:03:00 (CST-6)
Location: WINDSOR
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in PLATTE, MISSOURI
From 19-JUN-11 00:54:00 to 19-JUN-11 00:54:00 (CST-6)
Location: PLATTE WOODS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in PLATTE, MISSOURI
From 19-JUN-11 00:15:00 to 19-JUN-11 00:15:00 (CST-6)
Location: PLATTE CITY
Magnitude: 3.00 
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Trained Spotter

All exposed car wind shields cracked or broken. Numerous dings on vehicles.

Thunderstorm Wind in CASS, MISSOURI
From 18-JUN-11 21:30:00 to 18-JUN-11 21:30:00 (CST-6)
Location: CREIGHTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Five inch diameter tree branches reported down, with thunderstorm wind gusts estimated up to 60 mph.

Hail in CASS, MISSOURI
From 18-JUN-11 20:35:00 to 18-JUN-11 20:35:00 (CST-6)
Location: GARDEN CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CASS, MISSOURI
From 18-JUN-11 20:38:00 to 18-JUN-11 20:38:00 (CST-6)
Location: HARRISONVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in HENRY, MISSOURI
From 18-JUN-11 20:00:00 to 18-JUN-11 20:00:00 (CST-6)
Location: WINDSOR
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CASS, MISSOURI
From 18-JUN-11 20:42:00 to 18-JUN-11 20:42:00 (CST-6)
Location: HARRISONVILLE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CASS, MISSOURI
From 18-JUN-11 20:42:00 to 18-JUN-11 20:42:00 (CST-6)
Location: PECULIAR
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CASS, MISSOURI
From 18-JUN-11 20:55:00 to 18-JUN-11 20:55:00 (CST-6)
Location: HARRISONVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CASS, MISSOURI
From 18-JUN-11 21:00:00 to 18-JUN-11 21:00:00 (CST-6)
Location: EAST LYNNE ARPT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CASS, MISSOURI
From 18-JUN-11 21:05:00 to 18-JUN-11 21:05:00 (CST-6)
Location: GARDEN CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CASS, MISSOURI
From 18-JUN-11 20:40:00 to 18-JUN-11 20:40:00 (CST-6)
Location: CREIGHTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flash Flood in CASS, MISSOURI
From 19-JUN-11 01:48:00 to 19-JUN-11 02:00:00 (CST-6)
Location: GUNN CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 2 at Little Road was closed due to high water.

Flash Flood in CASS, MISSOURI
From 19-JUN-11 01:48:00 to 19-JUN-11 08:00:00 (CST-6)
Location: EAST LYNNE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 2 at State Highway K was closed due to high water.

Flood in CASS, MISSOURI
From 19-JUN-11 01:48:00 to 19-JUN-11 07:48:00 (CST-6)
Location: PLEASANT HILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 7 was closed at Highway P due to high water.

Hail in JACKSON, MISSOURI
From 18-JUN-11 22:00:00 to 18-JUN-11 22:00:00 (CST-6)
Location: BLUE SPGS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee