A warm and unstable airmass was located over the region, during the afternoon and evening hours of September 18, 2010. A cold front moved southeast across the area in the afternoon and evening hours. There were numerous reports of hail, with some as large as softballs, around the Independence Mall area. Skylights were broken at the mall, and numerous vehicles at the mall and nearby areas, had extensive damage. Locally heavy rains were also observed, with flash flood conditions persisting into the morning hours of, September 19, 2010.

Hail in DE KALB, MISSOURI
From 19-SEP-10 01:10:00 to 19-SEP-10 01:10:00 (CST-6)
Location: WEATHERBY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in CLAY, MISSOURI
From 18-SEP-10 23:35:00 to 18-SEP-10 23:35:00 (CST-6)
Location: SMITHVILLE
Magnitude: 70.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A roof was blown off a house. Docks on Smithville Lake were separated from the shore. Thunderstorm wind gusts were estimated up to 80 mph.

Hail in GRUNDY, MISSOURI
From 19-SEP-10 02:58:00 to 19-SEP-10 02:58:00 (CST-6)
Location: (P35)SPICKARD
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in HARRISON, MISSOURI
From 19-SEP-10 03:21:00 to 19-SEP-10 03:21:00 (CST-6)
Location: BETHANY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Flash Flood in ADAIR, MISSOURI
From 18-SEP-10 21:02:00 to 19-SEP-10 03:02:00 (CST-6)
Location: KIRKSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Street flooding was observed across the city of Kirksville, with up to 6 inches of water in the sheriff office parking lot.

Flash Flood in JACKSON, MISSOURI
From 18-SEP-10 21:08:00 to 19-SEP-10 03:08:00 (CST-6)
Location: GRAIN VLY ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Water was reported covering the roads, at depths up to 6 inches.

Hail in ADAIR, MISSOURI
From 18-SEP-10 20:25:00 to 18-SEP-10 20:25:00 (CST-6)
Location: NOVINGER
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CLAY, MISSOURI
From 18-SEP-10 23:28:00 to 18-SEP-10 23:28:00 (CST-6)
Location: SMITHVILLE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JACKSON, MISSOURI
From 18-SEP-10 16:37:00 to 18-SEP-10 16:37:00 (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-SEP-10 16:48:00 to 18-SEP-10 16:48:00 (CST-6)
Location: OAK GROVE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in CASS, MISSOURI
From 18-SEP-10 16:56:00 to 18-SEP-10 16:56:00 (CST-6)
Location: PLEASANT HILL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in CASS, MISSOURI
From 18-SEP-10 17:01:00 to 18-SEP-10 17:01:00 (CST-6)
Location: PLEASANT HILL
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CLAY, MISSOURI
From 18-SEP-10 16:59:00 to 18-SEP-10 16:59:00 (CST-6)
Location: EXCELSIOR SPGS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm Wind in CLAY, MISSOURI
From 18-SEP-10 22:26:00 to 18-SEP-10 22:26:00 (CST-6)
Location: PLEASANT VLY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Numerous trees were reported down. Thunderstorm wind gusts were estimated up to 65 mph.

Thunderstorm Wind in CLAY, MISSOURI
From 18-SEP-10 23:28:00 to 18-SEP-10 23:28:00 (CST-6)
Location: SMITHVILLE
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.

Flash Flood in CLAY, MISSOURI
From 18-SEP-10 21:48:00 to 19-SEP-10 03:48:00 (CST-6)
Location: CLAYCOMO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Cars were reported to be stranded, due to high water.

Hail in JACKSON, MISSOURI
From 18-SEP-10 21:08:00 to 18-SEP-10 21:08:00 (CST-6)
Location: BLUE SPGS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JACKSON, MISSOURI
From 18-SEP-10 20:48:00 to 18-SEP-10 20:48:00 (CST-6)
Location: BLUE SPGS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JACKSON, MISSOURI
From 18-SEP-10 21:05:00 to 18-SEP-10 21:05:00 (CST-6)
Location: GRAIN VLY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in JACKSON, MISSOURI
From 18-SEP-10 17:20:00 to 18-SEP-10 17:20:00 (CST-6)
Location: LONE JACK BERRY ARPT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in JACKSON, MISSOURI
From 18-SEP-10 17:49:00 to 18-SEP-10 17:49:00 (CST-6)
Location: LONE JACK BERRY ARPT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in JOHNSON, MISSOURI
From 18-SEP-10 18:25:00 to 18-SEP-10 18:25:00 (CST-6)
Location: BOWMANSVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JOHNSON, MISSOURI
From 18-SEP-10 18:26:00 to 18-SEP-10 18:26:00 (CST-6)
Location: WARRENSBURG
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CLAY, MISSOURI
From 18-SEP-10 22:02:00 to 18-SEP-10 22:02:00 (CST-6)
Location: WINNWOOD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in CLAY, MISSOURI
From 18-SEP-10 22:04:00 to 18-SEP-10 22:04:00 (CST-6)
Location: BIRMINGHAM
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Flash Flood in JACKSON, MISSOURI
From 18-SEP-10 22:20:00 to 19-SEP-10 04:20:00 (CST-6)
Location: LAKE CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several cars were reported stranded in water up to the bumpers.

Flash Flood in CLAY, MISSOURI
From 18-SEP-10 23:45:00 to 19-SEP-10 05:45:00 (CST-6)
Location: SMITHVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

One foot of flowing water was reported, across Highway DD near Smithville Lake.

Flash Flood in GRUNDY, MISSOURI
From 19-SEP-10 04:20:00 to 19-SEP-10 10:20:00 (CST-6)
Location: TRENTON ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Water was reported up to a foot deep, at the intersection of 18th and Tindall Streets.

Hail in JACKSON, MISSOURI
From 18-SEP-10 15:00:00 to 18-SEP-10 15:00:00 (CST-6)
Location: SPRING BRANCH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JOHNSON, MISSOURI
From 18-SEP-10 18:22:00 to 18-SEP-10 18:22:00 (CST-6)
Location: BOWMANSVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy Rain in JACKSON, MISSOURI
From 18-SEP-10 21:30:00 to 18-SEP-10 21:30:00 (CST-6)
Location: BLUE SPGS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rain was measured at 6.94 inches.

Hail in CLINTON, MISSOURI
From 19-SEP-10 00:44:00 to 19-SEP-10 00:44:00 (CST-6)
Location: GOWER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CLINTON, MISSOURI
From 19-SEP-10 00:46:00 to 19-SEP-10 00:46:00 (CST-6)
Location: GOWER
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CLAY, MISSOURI
From 18-SEP-10 22:19:00 to 18-SEP-10 22:19:00 (CST-6)
Location: WINNWOOD
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in CLAY, MISSOURI
From 18-SEP-10 22:26:00 to 18-SEP-10 22:26:00 (CST-6)
Location: LINDEN
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CLAY, MISSOURI
From 18-SEP-10 22:26:00 to 18-SEP-10 22:26:00 (CST-6)
Location: PLEASANT VLY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CLAY, MISSOURI
From 18-SEP-10 22:15:00 to 18-SEP-10 22:15:00 (CST-6)
Location: AVONDALE
Magnitude: 1.75 
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail damage was reported to windows in a home.

Hail in JACKSON, MISSOURI
From 18-SEP-10 15:36:00 to 18-SEP-10 15:36:00 (CST-6)
Location: SPRING BRANCH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ADAIR, MISSOURI
From 18-SEP-10 15:27:00 to 18-SEP-10 15:27:00 (CST-6)
Location: (IRK)KIRKSVILLE MUNI
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JACKSON, MISSOURI
From 18-SEP-10 15:27:00 to 18-SEP-10 15:27:00 (CST-6)
Location: LAKE TAPAWINGO
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MACON, MISSOURI
From 18-SEP-10 15:40:00 to 18-SEP-10 15:40:00 (CST-6)
Location: LA PLATA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in PLATTE, MISSOURI
From 19-SEP-10 00:30:00 to 19-SEP-10 00:30:00 (CST-6)
Location: EDGERTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in DE KALB, MISSOURI
From 19-SEP-10 01:10:00 to 19-SEP-10 01:10:00 (CST-6)
Location: WEATHERBY
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.

Hail in PETTIS, MISSOURI
From 18-SEP-10 19:08:00 to 18-SEP-10 19:08:00 (CST-6)
Location: SPRING FORK
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in CLAY, MISSOURI
From 18-SEP-10 23:25:00 to 18-SEP-10 23:25:00 (CST-6)
Location: SMITHVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in JACKSON, MISSOURI
From 18-SEP-10 20:45:00 to 18-SEP-10 20:45:00 (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-SEP-10 18:30:00 to 18-SEP-10 18:30:00 (CST-6)
Location: BATES CITY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in JACKSON, MISSOURI
From 18-SEP-10 17:30:00 to 18-SEP-10 17:30:00 (CST-6)
Location: GRAIN VLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorm Wind in ADAIR, MISSOURI
From 18-SEP-10 15:15:00 to 18-SEP-10 15:15:00 (CST-6)
Location: NIND
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.

Hail in PETTIS, MISSOURI
From 18-SEP-10 19:03:00 to 18-SEP-10 19:03:00 (CST-6)
Location: MANILA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in JACKSON, MISSOURI
From 18-SEP-10 19:32:00 to 18-SEP-10 19:32:00 (CST-6)
Location: RAYTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in JOHNSON, MISSOURI
From 18-SEP-10 20:26:00 to 18-SEP-10 20:26:00 (CST-6)
Location: WARRENSBURG
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in JOHNSON, MISSOURI
From 18-SEP-10 19:35:00 to 18-SEP-10 19:35:00 (CST-6)
Location: WARRENSBURG
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JACKSON, MISSOURI
From 18-SEP-10 15:10:00 to 18-SEP-10 15:10:00 (CST-6)
Location: COURTNEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Lightning in JACKSON, MISSOURI
From 18-SEP-10 16:10:00 to 18-SEP-10 16:10:00 (CST-6)
Location: LEES SUMMIT
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Lightning knocked a chimney off a house in Bordner Estates.

Hail in JACKSON, MISSOURI
From 18-SEP-10 15:51:00 to 18-SEP-10 15:51:00 (CST-6)
Location: BLUE SPGS
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JACKSON, MISSOURI
From 18-SEP-10 15:54:00 to 18-SEP-10 15:54:00 (CST-6)
Location: BLUE SPGS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in JACKSON, MISSOURI
From 18-SEP-10 15:53:00 to 18-SEP-10 15:53:00 (CST-6)
Location: BLUE SPGS
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in JACKSON, MISSOURI
From 18-SEP-10 16:05:00 to 18-SEP-10 16:05:00 (CST-6)
Location: GRAIN VLY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in JACKSON, MISSOURI
From 18-SEP-10 16:30:00 to 18-SEP-10 16:30:00 (CST-6)
Location: GRAIN VLY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorm Wind in JOHNSON, MISSOURI
From 18-SEP-10 18:34:00 to 18-SEP-10 18:34:00 (CST-6)
Location: LEETON
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power lines were reported down. Thunderstorm wind gusts were estimated to 60 mph.

Thunderstorm Wind in PLATTE, MISSOURI
From 18-SEP-10 21:58:00 to 18-SEP-10 21:58:00 (CST-6)
Location: RIVERSIDE
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 CLAY, MISSOURI
From 18-SEP-10 22:26:00 to 18-SEP-10 22:26:00 (CST-6)
Location: LINDEN
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Eight inch tree limbs were reported blown down, and a large maple tree was reported split in half. Thunderstorm wind gusts were estimated up to 65 mph.

Hail in JACKSON, MISSOURI
From 18-SEP-10 15:31:00 to 18-SEP-10 15:31:00 (CST-6)
Location: CEMENT CITY
Magnitude: 5.50 
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Public

Hail up to five and a half inches in diameter, was reported in the Independence Mall area. Skylights were shattered at the mall, with numerous vehicles in the parking lot suffering extensive hail damage. There was also hail damage, to vehicles at nearby auto dealerships.

Hail in JACKSON, MISSOURI
From 18-SEP-10 15:47:00 to 18-SEP-10 15:47:00 (CST-6)
Location: INDEPENDENCE MEM ARP
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in CLAY, MISSOURI
From 18-SEP-10 23:40:00 to 18-SEP-10 23:40:00 (CST-6)
Location: SMITHVILLE
Magnitude: 70.00 EG
Property damage: 150.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numrous reports of wind damage reported around Smithville Lake. Trees were reported down on homes and fences were blown down. Smith Forks church camp attendant, reported several tents were blown over into Smithville Lake. All persons were accounted for and uninjured. Thunderstorm wind gusts were estimated up to 80 mph.

Hail in ADAIR, MISSOURI
From 18-SEP-10 15:15:00 to 18-SEP-10 15:15:00 (CST-6)
Location: KIRKSVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in CLAY, MISSOURI
From 18-SEP-10 22:26:00 to 18-SEP-10 22:26:00 (CST-6)
Location: LINDEN
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm wind gusts were estimated up to 65 mph.

Flash Flood in CLAY, MISSOURI
From 18-SEP-10 21:48:00 to 19-SEP-10 03:48:00 (CST-6)
Location: OAKWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Water was reported to be covering roads, at up to 6 inches in depth.