On the evening of June 28 a complex of supercell thunderstorms moved into northern Missouri, producing widespread large hail and damaging winds, mainly north of Interstate 70. These storms also produced at least 3 tornadoes, all north of Highway 36. The strongest damage was located in Harrison County where some low-end EF-1 damage to a residence occurred. Otherwise, the damage was confined to tree damage to rural parts of Harrison, Gentry, and Nodaway Counties. Heavy rain and slow movement of the complex contributed to some flash flooding across northern Missouri. There were no known injuries with this evening's event.

Hail in WORTH, MISSOURI
From 28-JUN-17 17:45:00 to 28-JUN-17 17:48:00 (CST-6)
Location: DENVER
Magnitude: 1.75 
Reported by: State Official

Hail in ATCHISON, MISSOURI
From 28-JUN-17 18:05:00 to 28-JUN-17 18:06:00 (CST-6)
Location: TARKIO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ATCHISON, MISSOURI
From 28-JUN-17 18:12:00 to 28-JUN-17 18:16:00 (CST-6)
Location: TARKIO
Magnitude: 1.75 
Reported by: Public

Hail in NODAWAY, MISSOURI
From 28-JUN-17 16:45:00 to 28-JUN-17 16:49:00 (CST-6)
Location: PICKERING
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in GRUNDY, MISSOURI
From 28-JUN-17 19:01:00 to 28-JUN-17 19:03:00 (CST-6)
Location: SPICKARD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in DAVIESS, MISSOURI
From 28-JUN-17 20:55:00 to 28-JUN-17 21:00:00 (CST-6)
Location: COFFEY
Magnitude: 2.50 
Reported by: Fire Department/Rescue

Hail in MACON, MISSOURI
From 28-JUN-17 21:01:00 to 28-JUN-17 21:02:00 (CST-6)
Location: LA PLATA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in NODAWAY, MISSOURI
From 28-JUN-17 21:28:00 to 28-JUN-17 21:28:00 (CST-6)
Location: PARNELL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in WORTH, MISSOURI
From 28-JUN-17 17:32:00 to 28-JUN-17 17:35:00 (CST-6)
Location: WORTH
Magnitude: 65.00 EG
Reported by: Law Enforcement

Power poles were snapped near Worth.

Thunderstorm Wind in GENTRY, MISSOURI
From 28-JUN-17 17:45:00 to 28-JUN-17 17:48:00 (CST-6)
Location: PINHOOK
Magnitude: 61.00 EG
Reported by: Public

Heavy damage to outbuildings was reported.

Thunderstorm Wind in GRUNDY, MISSOURI
From 28-JUN-17 19:00:00 to 28-JUN-17 19:03:00 (CST-6)
Location: SPICKARD
Magnitude: 65.00 EG
Reported by: Emergency Manager

Numerous large trees were down between Mill Grove and Tindall.

Thunderstorm Wind in MACON, MISSOURI
From 28-JUN-17 20:55:00 to 28-JUN-17 20:58:00 (CST-6)
Location: LA PLATA
Magnitude: 65.00 EG
Reported by: Emergency Manager

Numerous large trees were down near La Plata due to strong thunderstorm winds.

Thunderstorm Wind in GRUNDY, MISSOURI
From 28-JUN-17 21:35:00 to 28-JUN-17 21:38:00 (CST-6)
Location: TRENTON
Magnitude: 65.00 EG
Reported by: Emergency Manager

There were several reports of trees and power poles down across Trenton.

Flash Flood in HARRISON, MISSOURI
From 28-JUN-17 20:10:00 to 28-JUN-17 22:10:00 (CST-6)
Location: BETHANY MEM ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency Management reported 6 inches of water running over HWY 69 near Bethany.

Flash Flood in NODAWAY, MISSOURI
From 28-JUN-17 22:07:00 to 29-JUN-17 03:07:00 (CST-6)
Location: ELMO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A prolonged flash flooding event took place across much of Nodaway County on the evening of June 28. Numerous roads across the county were closed, and at least one water rescue was performed near Maryville. At one point a herd of cattle were reported floating across HWY 136. The current well-being of the cattle is unknown.

Flash Flood in HARRISON, MISSOURI
From 28-JUN-17 20:16:00 to 28-JUN-17 22:16:00 (CST-6)
Location: MARTINSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Highway FF south of Martinsville was impassible due to high water.

Flood in DAVIESS, MISSOURI
From 29-JUN-17 03:57:00 to 29-JUN-17 09:57:00 (CST-6)
Location: COFFEY
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

A vehicle ran off the roadway along HWY B when it encountered flooded roadway. He crashed the vehicle, but was rescued without injury.

Flood in GRUNDY, MISSOURI
From 29-JUN-17 09:30:00 to 29-JUN-17 15:30:00 (CST-6)
Location: COBURN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Highways W and WW were closed near Hickory Creek due to water over the roadway.

Hail in GRUNDY, MISSOURI
From 28-JUN-17 19:28:00 to 28-JUN-17 19:30:00 (CST-6)
Location: TINDALL
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in HARRISON, MISSOURI
From 28-JUN-17 18:50:00 to 28-JUN-17 18:52:00 (CST-6)
Location: MITCHELLVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A storm chaser reported a 60 mph wind gust.

Tornado in GENTRY, MISSOURI
From 28-JUN-17 19:50:00 to 28-JUN-17 19:52:00 (CST-6)
Location: STANBERRY
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A weak tornado formed in rural Gentry County, but produced little to no damage outside of some tree damage.

Tornado in HARRISON, MISSOURI
From 28-JUN-17 17:57:00 to 28-JUN-17 18:14:00 (CST-6)
Location: NEW HAMPTON
Tornado F-scale: EF1
Reported by: Emergency Manager

This tornado is a continuation of the tornado that moved out of Gentry County. This tornado moved through mainly rural parts of Harrison County, where it produced mostly damage to trees. There was a structure west of Bethany that sustained some EF-1 damage. Otherwise the damage was EF-0 with this tornado across the county.

Thunderstorm Wind in MACON, MISSOURI
From 28-JUN-17 21:20:00 to 28-JUN-17 21:23:00 (CST-6)
Location: LA PLATA
Magnitude: 65.00 EG
Reported by: Trained Spotter

Multiple large trees were broken as a result of strong thunderstorm winds.

Flash Flood in GENTRY, MISSOURI
From 28-JUN-17 23:27:00 to 29-JUN-17 01:27:00 (CST-6)
Location: ALBANY MEML ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several roads in Albany were flooded, including a closure of HWY 136 across the northside of town due to running water over the roadway.

Flash Flood in HARRISON, MISSOURI
From 28-JUN-17 22:11:00 to 29-JUN-17 00:11:00 (CST-6)
Location: BETHANY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

There were reports of numerous flooded roadways in Bethany, as well as water entering the basement of Harrison County Community Hospital.

Flood in NODAWAY, MISSOURI
From 29-JUN-17 09:30:00 to 29-JUN-17 15:30:00 (CST-6)
Location: CONCEPTION JCT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Water was over Highway VV.

Thunderstorm Wind in PUTNAM, MISSOURI
From 28-JUN-17 19:04:00 to 28-JUN-17 19:08:00 (CST-6)
Location: UNIONVILLE
Magnitude: 69.00 MG
Reported by: Mesonet

A Missouri Mesonet station near Unionville recorded a 79 mph wind gust with thunderstorms moving through the area.

Thunderstorm Wind in DAVIESS, MISSOURI
From 28-JUN-17 20:55:00 to 28-JUN-17 20:57:00 (CST-6)
Location: COFFEY
Magnitude: 52.00 EG
Reported by: Fire Department/Rescue

Fire in Coffey reported 60 mph wind, concurrent with 2.5 inch hail.

Tornado in NODAWAY, MISSOURI
From 28-JUN-17 19:31:00 to 28-JUN-17 19:33:00 (CST-6)
Location: ARKOE
Tornado F-scale: EF0
Reported by: Emergency Manager

A weak tornado formed near Maryville, but caused little to no damage outside of some tree damage in rural Nodaway County.

Thunderstorm Wind in DAVIESS, MISSOURI
From 28-JUN-17 21:31:00 to 28-JUN-17 21:34:00 (CST-6)
Location: CARLOW
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Fire department near Lock Springs reported 60 mph wind.

Tornado in GENTRY, MISSOURI
From 28-JUN-17 17:48:00 to 28-JUN-17 17:57:00 (CST-6)
Location: PINHOOK
Tornado F-scale: EF0
Reported by: Emergency Manager

A weak tornado formed in eastern Gentry County, then moved into Harrison County where it ultimately did some EF-1 damage to some structures in rural Harrison County. The extent of the damage in Gentry County was limited to tree damage in rural areas.

Hail in WORTH, MISSOURI
From 28-JUN-17 17:35:00 to 28-JUN-17 17:36:00 (CST-6)
Location: WORTH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public