On the afternoon of June 11, 2015 several supercells formed in southeast Nebraska and trekked eastward into far northwestern Missouri. The lone tornado of the day formed in Atchison County Missouri, but was only brief. Otherwise, these storms mainly caused widespread areas of strong winds and some flash flooding.

Tornado in ATCHISON, MISSOURI
From 11-JUN-15 15:00:00 to 11-JUN-15 15:01:00 (CST-6)
Location: WESTBORO
Tornado F-scale: EF0
Reported by: NWS Employee

An off-duty National Weather Service employee saw a brief and weak tornado form in a field about 6 miles northeast of Tarkio. The tornado did no damage and lifted before reaching V Avenue.

Flash Flood in WORTH, MISSOURI
From 11-JUN-15 16:55:00 to 11-JUN-15 17:55:00 (CST-6)
Location: SHERIDAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Water was flowing over Highway 246, just west of Sheridan.

Flash Flood in NODAWAY, MISSOURI
From 11-JUN-15 17:30:00 to 11-JUN-15 18:30:00 (CST-6)
Location: RAVENWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Highway O, east of Ravenwood was flooded.

Flash Flood in GENTRY, MISSOURI
From 11-JUN-15 17:40:00 to 11-JUN-15 18:40:00 (CST-6)
Location: ALANTHUS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

There was flooding along Highway O, just west of Gentry.

Flash Flood in ANDREW, MISSOURI
From 11-JUN-15 19:12:00 to 11-JUN-15 20:12:00 (CST-6)
Location: NODAWAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flooding was reported along Highway 59, west of Savannah.

Flash Flood in ANDREW, MISSOURI
From 11-JUN-15 19:12:00 to 11-JUN-15 20:12:00 (CST-6)
Location: REA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Highway 48 was flooded, just east of Rosendale.

Hail in MERCER, MISSOURI
From 11-JUN-15 18:05:00 to 11-JUN-15 18:05:00 (CST-6)
Location: MERCER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flash Flood in GRUNDY, MISSOURI
From 11-JUN-15 20:10:00 to 11-JUN-15 21:10:00 (CST-6)
Location: BRIMSON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooding was reported on Route A, northwest of Trenton.

Flash Flood in HOLT, MISSOURI
From 11-JUN-15 20:45:00 to 11-JUN-15 21:45:00 (CST-6)
Location: MOUND CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Route N was closed in both directions due to flooding. Interstate 29 also was briefly closed in Holt County due to flooding.

Flood in ATCHISON, MISSOURI
From 11-JUN-15 15:45:00 to 11-JUN-15 21:45:00 (CST-6)
Location: WESTBORO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The intersection of Highway C and M was closed due to flooding along the Tarkio River.

Flood in HOLT, MISSOURI
From 11-JUN-15 22:12:00 to 12-JUN-15 04:12:00 (CST-6)
Location: MOUND CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

North and south bound lanes of interstate 29 were closed near Highway 59 due to flooding from Squaw Creek.

Hail in ANDREW, MISSOURI
From 11-JUN-15 17:19:00 to 11-JUN-15 17:19:00 (CST-6)
Location: FILLMORE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Thunderstorm Wind in ANDREW, MISSOURI
From 11-JUN-15 18:30:00 to 11-JUN-15 18:33:00 (CST-6)
Location: COSBY
Magnitude: 52.00 EG
Reported by: Public

An 8 to 9 inch deameter walnut tree was blown down and camper was flipped.

Thunderstorm Wind in ADAIR, MISSOURI
From 11-JUN-15 19:52:00 to 11-JUN-15 19:55:00 (CST-6)
Location: KIRKSVILLE
Magnitude: 52.00 EG
Reported by: Law Enforcement

Tree limbs were down across Kirksville.

Thunderstorm Wind in WORTH, MISSOURI
From 11-JUN-15 16:50:00 to 11-JUN-15 16:53:00 (CST-6)
Location: GRANT CITY
Magnitude: 52.00 EG
Reported by: Trained Spotter

An estimated 60 mph wind gust caused power outages across Grant City.

Thunderstorm Wind in HARRISON, MISSOURI
From 11-JUN-15 17:07:00 to 11-JUN-15 17:10:00 (CST-6)
Location: HATFIELD
Magnitude: 52.00 EG
Reported by: Public

A member of the public reported a 60 mph wind gust.

Thunderstorm Wind in CLINTON, MISSOURI
From 11-JUN-15 20:18:00 to 11-JUN-15 20:21:00 (CST-6)
Location: PLATTSBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Fox 4 in Kansas City relayed a report from a trained spotter of 60 mph winds.

Flash Flood in WORTH, MISSOURI
From 11-JUN-15 16:55:00 to 11-JUN-15 17:55:00 (CST-6)
Location: GRANT CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

City streets flooded, with water overrunning ditches and flowing across several roads in Grant City.

Thunderstorm Wind in HOLT, MISSOURI
From 11-JUN-15 17:14:00 to 11-JUN-15 17:17:00 (CST-6)
Location: HELWIG
Magnitude: 61.00 EG
Reported by: Law Enforcement

Numerous accidents and an overtuned 18-wheeler were reported on I-29 due to strong winds.

Hail in ANDREW, MISSOURI
From 11-JUN-15 18:06:00 to 11-JUN-15 18:06:00 (CST-6)
Location: SAVANNAH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in NODAWAY, MISSOURI
From 11-JUN-15 16:20:00 to 11-JUN-15 16:23:00 (CST-6)
Location: MARYVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Powerlines were down on Liberty Road north of Mozingo Lake.

Thunderstorm Wind in WORTH, MISSOURI
From 11-JUN-15 16:55:00 to 11-JUN-15 16:58:00 (CST-6)
Location: GRANT CITY
Magnitude: 52.00 EG
Reported by: Law Enforcement

Multiple tree limbs of 3 to 4 inches in diameter down across Grant City. Power was also reported out in the city.

Thunderstorm Wind in CLINTON, MISSOURI
From 11-JUN-15 19:57:00 to 11-JUN-15 20:00:00 (CST-6)
Location: GOWER
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Fire rescue reported a 60 mph wind gust.

Thunderstorm Wind in GENTRY, MISSOURI
From 11-JUN-15 17:20:00 to 11-JUN-15 17:23:00 (CST-6)
Location: SILOAM CITY
Magnitude: 52.00 EG
Reported by: State Official

Several trees were damaged along Highway C near Denver.

Thunderstorm Wind in MERCER, MISSOURI
From 11-JUN-15 18:05:00 to 11-JUN-15 18:08:00 (CST-6)
Location: MILL GROVE
Magnitude: 52.00 EG
Reported by: Emergency Manager

Several power outages were reported in Princeton.

Thunderstorm Wind in ANDREW, MISSOURI
From 11-JUN-15 18:06:00 to 11-JUN-15 18:09:00 (CST-6)
Location: SAVANNAH
Magnitude: 65.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Estimated 4 to 50 power poles snapped between Amazonia, Savannah, and Rosendale. Multiple trees were uprooted and broken in Savannah.

Thunderstorm Wind in DE KALB, MISSOURI
From 11-JUN-15 18:33:00 to 11-JUN-15 18:36:00 (CST-6)
Location: WEATHERBY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A member of the public reported a 60 mph wind gust.

Thunderstorm Wind in DAVIESS, MISSOURI
From 11-JUN-15 19:00:00 to 11-JUN-15 19:03:00 (CST-6)
Location: ALTAMONT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Fire rescue reported a 60 mph wind gust.

Thunderstorm Wind in DAVIESS, MISSOURI
From 11-JUN-15 19:15:00 to 11-JUN-15 19:18:00 (CST-6)
Location: GALLATIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a 60 mph wind gust.

Thunderstorm Wind in ADAIR, MISSOURI
From 11-JUN-15 19:38:00 to 11-JUN-15 19:41:00 (CST-6)
Location: KIRKSVILLE
Magnitude: 52.00 EG
Reported by: Trained Spotter

A trained spotter reported 55-60 mph winds with 2 to 4 inch tree limbs down.