A stalled front interacted with a moist airmass over the region as upper level disturbances moved parallel to the front, producing training thunderstorms over the region through afternoon and evening. Flash flooding occurred south of Highway 60 during the evening as rainfall amounts between 2 and 6 inches occurred in a 24 hour period. Some locations saw the bulk of the rain fall in less than 6 hours. One flash flood fatality occurred in Howell County near Mountain View around 10 PM CST when a 71-year old male attempted to drive through a flooded low water crossing on Highway Y at Gill Branch.

Flash Flood in TANEY, MISSOURI
From 17-DEC-21 16:47:00 to 17-DEC-21 22:00:00 (CST-6)
Location: BRANSON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A water rescue was performed successfully on Roark Creek.

Flash Flood in TANEY, MISSOURI
From 17-DEC-21 17:18:00 to 17-DEC-21 22:00:00 (CST-6)
Location: BRANSON MEM ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The west bound late of Green Mountain Drive was flooded and impassable near the Dutton Inn.

Flash Flood in MCDONALD, MISSOURI
From 17-DEC-21 17:19:00 to 17-DEC-21 22:00:00 (CST-6)
Location: JACKET
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The Postage Lane low water bridge suffered minor surface damage from fast moving flood waters. The low water bridge was under approximately 3 feet of fast moving water per pipe measurements. The road was impassable for multiple hours.

Flash Flood in HOWELL, MISSOURI
From 17-DEC-21 21:13:00 to 18-DEC-21 04:00:00 (CST-6)
Location: MOUNTAIN VIEW ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Highway 17 was flooded and impassable at a low water area.

Flash Flood in HOWELL, MISSOURI
From 17-DEC-21 22:30:00 to 18-DEC-21 04:00:00 (CST-6)
Location: MOUNTAIN VIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain caused the Gill Branch to leave its banks and overtop Highway 71. A 71 year old motorist was swept of Highway Y and drowned in the flood waters.

Flood in HOWELL, MISSOURI
From 18-DEC-21 09:22:00 to 18-DEC-21 16:00:00 (CST-6)
Location: MOUNTAIN VIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

State Route 17 at Jam Up Creek was flooded and impassable.

Flood in HOWELL, MISSOURI
From 18-DEC-21 09:27:00 to 18-DEC-21 16:00:00 (CST-6)
Location: HUTTON VLY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway U at the Eleven Point River was flooded and impassable.

Flood in DOUGLAS, MISSOURI
From 18-DEC-21 09:47:00 to 18-DEC-21 16:00:00 (CST-6)
Location: ANN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway EE at the North Fork River was flooded and impassable.

Flood in OZARK, MISSOURI
From 18-DEC-21 09:49:00 to 18-DEC-21 16:00:00 (CST-6)
Location: ROCKBRIDGE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway 95 at Bryant Creek was flooded and impassable.

Flood in OZARK, MISSOURI
From 18-DEC-21 09:51:00 to 18-DEC-21 16:00:00 (CST-6)
Location: SYCAMORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway 181 at Bryant Creek was flooded and impassable.

Flood in OZARK, MISSOURI
From 18-DEC-21 09:54:00 to 18-DEC-21 16:00:00 (CST-6)
Location: LAWNDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway H at the North Fork River was flooded and impassable.

Flood in OZARK, MISSOURI
From 18-DEC-21 10:03:00 to 18-DEC-21 16:00:00 (CST-6)
Location: MAMMOTH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway T at Possum Walk Creek was flooded and impassable.

Flood in HOWELL, MISSOURI
From 18-DEC-21 10:10:00 to 18-DEC-21 16:00:00 (CST-6)
Location: TRASK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway RA at Sims Valley Creek was flooded and impassable.

Flood in BARRY, MISSOURI
From 18-DEC-21 12:00:00 to 18-DEC-21 16:00:00 (CST-6)
Location: MC DOWELL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Highway C at Flat Creek was flooded and impassable.

Flash Flood in TANEY, MISSOURI
From 17-DEC-21 17:04:00 to 17-DEC-21 22:00:00 (CST-6)
Location: BRADLEYVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Cheese Plant Road was closed at Little Beaver Creek due to flooding.

Flash Flood in TANEY, MISSOURI
From 17-DEC-21 18:00:00 to 17-DEC-21 22:00:00 (CST-6)
Location: PT LOOKOUT ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple roads were closed as 3 to 4 inches of rain fell over the city. Several hydroplane accidents were reported.

Flash Flood in DOUGLAS, MISSOURI
From 17-DEC-21 18:59:00 to 17-DEC-21 22:00:00 (CST-6)
Location: SMALLETT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A water rescue was successfully performed on South Spring Creek at Highway A and County Road 409.

Flash Flood in TANEY, MISSOURI
From 17-DEC-21 19:00:00 to 17-DEC-21 22:00:00 (CST-6)
Location: ROCKAWAY BEACH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

State highway MO 176 was closed to traffic due to high water from heavy rainfall.

Flash Flood in DOUGLAS, MISSOURI
From 17-DEC-21 20:00:00 to 18-DEC-21 04:00:00 (CST-6)
Location: AVA MUNI MEML ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway Y was closed at Cowskin Creek due to flooding.

Flash Flood in DOUGLAS, MISSOURI
From 17-DEC-21 20:00:00 to 18-DEC-21 04:00:00 (CST-6)
Location: OLATHE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway U was closed at Bryant Creek due to flooding.

Flash Flood in OZARK, MISSOURI
From 17-DEC-21 20:00:00 to 18-DEC-21 04:00:00 (CST-6)
Location: MAMMOTH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway T was closed at Possum Walk Creek due to flooding.

Flash Flood in TANEY, MISSOURI
From 17-DEC-21 20:00:00 to 18-DEC-21 04:00:00 (CST-6)
Location: MINCY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Highway J was flooded and impassable near the beginning of Trigger Creek.

Flash Flood in HOWELL, MISSOURI
From 17-DEC-21 20:09:00 to 18-DEC-21 04:00:00 (CST-6)
Location: WILLOW SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several roads along the Eleven Point River were reported flooded and impassable including Old Springfield Road.

Flash Flood in HOWELL, MISSOURI
From 17-DEC-21 20:09:00 to 18-DEC-21 04:00:00 (CST-6)
Location: FIELDS STORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A water rescue was preformed successfully on County Road 5710 at Indian Creek.

Flash Flood in TEXAS, MISSOURI
From 17-DEC-21 21:00:00 to 18-DEC-21 04:00:00 (CST-6)
Location: CLEAR SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway U was closed at the South Prong Jacks Fork River due to flooding.

Flash Flood in HOWELL, MISSOURI
From 17-DEC-21 21:13:00 to 18-DEC-21 04:00:00 (CST-6)
Location: MOUNTAIN VIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several city streets were flooded and impassable.

Flash Flood in HOWELL, MISSOURI
From 17-DEC-21 21:50:00 to 18-DEC-21 04:00:00 (CST-6)
Location: HUTTON VLY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway U at the Eleven Point River was flooded and impassable.

Flood in DOUGLAS, MISSOURI
From 17-DEC-21 17:15:00 to 18-DEC-21 00:00:00 (CST-6)
Location: AVA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Highway FF at Hunter Creek was flooded.

Flood in WRIGHT, MISSOURI
From 17-DEC-21 20:51:00 to 18-DEC-21 02:00:00 (CST-6)
Location: MANSFIELD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway AB at Wolf Creek was flooded.

Flood in TEXAS, MISSOURI
From 18-DEC-21 09:14:00 to 18-DEC-21 16:00:00 (CST-6)
Location: CLEAR SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway U at the South Prong of the Jacks Fork River was flooded.

Flood in HOWELL, MISSOURI
From 18-DEC-21 09:18:00 to 18-DEC-21 16:00:00 (CST-6)
Location: MOUNTAIN VIEW
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Highway Y at the Gill Branch was flooded.