Several upper level disturbances in the southwest flow aloft helped to spark an episode of severe weather across eastern North Dakota and the northwest quarter of Minnesota. Numerous reports of large hail, strong winds, and heavy rain were received across these areas.

Flash Flood in BARNES, NORTH DAKOTA
From 20-JUN-13 20:04:00 to 21-JUN-13 09:00:00 (CST-6)
Location: ROGERS
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 50.00K
Reported by: COOP Observer

The observer at Baldhill Dam measured 3.10 inches of rain in a short amount of time. Roads near the dam were quickly covered with water and debris. Farmyards and fields in the area also experienced localized flooding.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 20-JUN-13 21:12:00 to 20-JUN-13 21:12:00 (CST-6)
Location: HARWOOD
Magnitude: 55.00 EG
Reported by: Broadcast Media

A semi truck and trailer were blown over along Interstate 29 near mile post 76.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 20-JUN-13 21:15:00 to 20-JUN-13 21:15:00 (CST-6)
Location: FARGO
Magnitude: 60.00 EG
Reported by: Public

A large tree was blown down, blocking the road at 10th Street South and 13th Avenue.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 20-JUN-13 21:20:00 to 20-JUN-13 21:20:00 (CST-6)
Location: ST BENEDICT
Magnitude: 61.00 EG
Reported by: Broadcast Media

Large tree branches were blown down.

Hail in CASS, NORTH DAKOTA
From 20-JUN-13 17:55:00 to 20-JUN-13 17:55:00 (CST-6)
Location: GRANDIN
Magnitude: 1.00 
Reported by: Public

Dime to quarter sized hail fell near Grandin.

Hail in BARNES, NORTH DAKOTA
From 20-JUN-13 18:05:00 to 20-JUN-13 18:05:00 (CST-6)
Location: NORTH VLY CITY
Magnitude: 1.50 
Reported by: Other Federal Agency

Quarter to ping pong ball sized hail fell at the campground along with very heavy rain and strong winds.

Hail in CASS, NORTH DAKOTA
From 20-JUN-13 21:25:00 to 20-JUN-13 21:25:00 (CST-6)
Location: HICKSON
Magnitude: 1.25 
Reported by: Broadcast Media

Half dollar sized hail fell along with winds in excess of 70 mph.

Heavy Rain in CASS, NORTH DAKOTA
From 20-JUN-13 21:25:00 to 20-JUN-13 21:25:00 (CST-6)
Location: CASSELTON
Reported by: Public

Due to electrical outages, pump failure, and water pooling at the Interstate 94 exit near Casselton, the North Dakota DOT temporarily closed both lanes and detoured traffic over the exit ramps.

Hail in SARGENT, NORTH DAKOTA
From 20-JUN-13 21:44:00 to 20-JUN-13 21:46:00 (CST-6)
Location: FORMAN
Magnitude: 1.25 
Reported by: COOP Observer

Hail in CASS, NORTH DAKOTA
From 20-JUN-13 22:35:00 to 20-JUN-13 22:35:00 (CST-6)
Location: ELIZABETH
Magnitude: 1.00 
Reported by: Public

The hail fell with very strong winds.

Hail in BARNES, NORTH DAKOTA
From 20-JUN-13 18:23:00 to 20-JUN-13 18:23:00 (CST-6)
Location: VALLEY CITY
Magnitude: 1.00 
Reported by: Public

The hail fell at Valley City State University.

Hail in BARNES, NORTH DAKOTA
From 20-JUN-13 18:25:00 to 20-JUN-13 18:25:00 (CST-6)
Location: VALLEY CITY
Magnitude: 1.50 
Reported by: Trained Spotter

The hail fell with winds of 50 to 60 mph.

Thunderstorm Wind in BARNES, NORTH DAKOTA
From 20-JUN-13 18:40:00 to 20-JUN-13 18:40:00 (CST-6)
Location: KOLDOK
Magnitude: 50.00 EG
Reported by: Trained Spotter

Large tree branches were blown down near Interstate 94.

Hail in CASS, NORTH DAKOTA
From 20-JUN-13 19:10:00 to 20-JUN-13 19:10:00 (CST-6)
Location: TOWER CITY
Magnitude: 1.00 
Reported by: Broadcast Media

Dime to quarter size hail fell.

Hail in CASS, NORTH DAKOTA
From 20-JUN-13 19:25:00 to 20-JUN-13 19:25:00 (CST-6)
Location: BUFFALO
Magnitude: 1.75 
Reported by: Fire Department/Rescue

The hail was accompanied by 45 to 50 mph winds.

Hail in GRIGGS, NORTH DAKOTA
From 20-JUN-13 15:05:00 to 20-JUN-13 15:10:00 (CST-6)
Location: SHEPARD
Magnitude: 1.00 
Reported by: Public

The hail fell with very heavy rain.

Thunderstorm Wind in GRIGGS, NORTH DAKOTA
From 20-JUN-13 15:10:00 to 20-JUN-13 15:10:00 (CST-6)
Location: COOPERSTOWN
Magnitude: 50.00 MG
Reported by: AWOS

The wind gust was measured at the Cooperstown airport.

Thunderstorm Wind in TRAILL, NORTH DAKOTA
From 20-JUN-13 16:45:00 to 20-JUN-13 16:45:00 (CST-6)
Location: CLIFFORD
Magnitude: 50.00 EG
Reported by: Law Enforcement

Numerous large six to eight inch diameter tree branches were broken down in shelterbelts across northern Broadlawn and Galesburg townships.

Hail in TRAILL, NORTH DAKOTA
From 20-JUN-13 17:05:00 to 20-JUN-13 17:05:00 (CST-6)
Location: BLANCHARD
Magnitude: 1.00 
Reported by: Storm Chaser

Lots of quarter size hail fell along highway 200A in the Blanchard area, covering roads an inch or two deep and making the ditches white.

Thunderstorm Wind in TRAILL, NORTH DAKOTA
From 20-JUN-13 16:50:00 to 20-JUN-13 16:50:00 (CST-6)
Location: CLIFFORD
Magnitude: 52.00 EG
Reported by: Storm Chaser

Four large steel grain bins at the elevator complex were blown down. One bin collapsed onto a parked vehicle but resulted in no injuries. Trees and power lines were also blown down.

Hail in TRAILL, NORTH DAKOTA
From 20-JUN-13 17:40:00 to 20-JUN-13 17:40:00 (CST-6)
Location: KELSO
Magnitude: 1.00 
Reported by: Trained Spotter

Dime to quarter sized hail covered the sides of Interstate 29 north of Grandin.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 20-JUN-13 21:10:00 to 20-JUN-13 21:10:00 (CST-6)
Location: RIVERSIDE
Magnitude: 52.00 EG
Reported by: Trained Spotter

Nickel sized hail and very heavy rain was also reported.

Flash Flood in BARNES, NORTH DAKOTA
From 20-JUN-13 20:30:00 to 20-JUN-13 20:30:00 (CST-6)
Location: VALLEY CITY
Flood cause: Heavy Rain
Property damage: 200.00K
Crop damage: 50.00K
Reported by: Broadcast Media

Very heavy rains produced widespread street flooding around Valley City. Power outages and rapid runoff also combined to produce flooding of storm drains and sewer backup issues. At least four homes had partially collapsed basement walls. About 6.30 inches of rain fell over a two to three hour period.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 20-JUN-13 20:35:00 to 20-JUN-13 20:35:00 (CST-6)
Location: DAVENPORT
Magnitude: 50.00 EG
Reported by: Trained Spotter

A tree was blown down at a farmstead along with many smaller branches.

Tornado in BARNES, NORTH DAKOTA
From 20-JUN-13 17:11:00 to 20-JUN-13 17:11:00 (CST-6)
Location: LEAL
Tornado F-scale: EF0
Reported by: Storm Chaser

A storm chaser observed a small rope tornado.