September 2nd was a cool day across eastern North Dakota and the northwest quarter of Minnesota. Late afternoon temperatures ranged from the upper 50s around the Lake of the Woods region to the lower 70s across portions of southeast North Dakota. Thunderstorms fired between Bismarck and Minot by mid afternoon, then tracked east-southeast during the late afternoon into early evening. A bow echo appeared in the radar imagery between Devils Lake and Jamestown by 430 pm CDT, tracked through the Fargo-Moorhead area around 6 pm, then shifted into west central Minnesota after 7 pm. Winds up to 90 mph and large hail were common along the track of the bow echo. After the bow echo had tracked through, a wake low formed behind it, resulting if a few more damaging wind gusts.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 02-SEP-19 17:08:00 to 02-SEP-19 17:08:00 (CST-6)
Location: FARGO
Magnitude: 78.00 EG
Reported by: Broadcast Media

The roof of a vacant steel clad building near the 2300 block of main avenue was blown off.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 02-SEP-19 17:09:00 to 02-SEP-19 17:09:00 (CST-6)
Location: (FAR)HECTOR INTL ARP
Magnitude: 62.00 MG
Reported by: ASOS

The wind gust was measured at the Fargo airport.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 02-SEP-19 17:09:00 to 02-SEP-19 17:09:00 (CST-6)
Location: (FAR)HECTOR INTL ARP
Magnitude: 67.00 MG
Reported by: Other Federal Agency

The wind gust was measured by a secondary wind sensor at the Fargo airport.

Thunderstorm Wind in RANSOM, NORTH DAKOTA
From 02-SEP-19 17:00:00 to 02-SEP-19 17:00:00 (CST-6)
Location: LISBON
Magnitude: 70.00 EG
Reported by: Trained Spotter

Multiple trees were blown down, some up to 2 feet in diameter.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 02-SEP-19 17:04:00 to 02-SEP-19 17:04:00 (CST-6)
Location: WEST FARGO
Magnitude: 78.00 EG
Reported by: Social Media

Steel roof panels were torn off a shop building.

Thunderstorm Wind in BARNES, NORTH DAKOTA
From 02-SEP-19 15:58:00 to 02-SEP-19 15:58:00 (CST-6)
Location: LEAL
Magnitude: 60.00 EG
Reported by: Social Media

A few large tree branches were blown down across town.

Thunderstorm Wind in BARNES, NORTH DAKOTA
From 02-SEP-19 16:01:00 to 02-SEP-19 16:01:00 (CST-6)
Location: DAZEY BRYN ARPT
Magnitude: 50.00 MG
Reported by: Mesonet

The wind gust was measured by a NDAWN mesonet sensor.

Hail in GRIGGS, NORTH DAKOTA
From 02-SEP-19 16:05:00 to 02-SEP-19 16:05:00 (CST-6)
Location: COOPERSTOWN
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in STEELE, NORTH DAKOTA
From 02-SEP-19 16:10:00 to 02-SEP-19 16:10:00 (CST-6)
Location: LUVERNE
Magnitude: 55.00 MG
Reported by: Trained Spotter

The wind gust was measured by a personal weather station.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 02-SEP-19 17:05:00 to 02-SEP-19 17:05:00 (CST-6)
Location: HARWOOD
Magnitude: 52.00 EG
Reported by: Public

Many 4 inch diameter tree branches were blown down.

Thunderstorm Wind in BARNES, NORTH DAKOTA
From 02-SEP-19 16:20:00 to 02-SEP-19 16:20:00 (CST-6)
Location: MARION
Magnitude: 56.00 EG
Reported by: Public

Debris from trees and crops was blown around.

Thunderstorm Wind in RANSOM, NORTH DAKOTA
From 02-SEP-19 16:39:00 to 02-SEP-19 16:39:00 (CST-6)
Location: FT RANSOM
Magnitude: 51.00 MG
Reported by: Mesonet

The wind gust was measured by a personal weather station.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 02-SEP-19 16:43:00 to 02-SEP-19 16:43:00 (CST-6)
Location: BUFFALO
Magnitude: 70.00 EG
Reported by: Broadcast Media

A semi truck was blown over by the wind near the Buffalo exit on Interstate 94. The damaged truck blocked part of the westbound lane for around 30 minutes. The truck driver suffered minor injuries.

Thunderstorm Wind in RANSOM, NORTH DAKOTA
From 02-SEP-19 16:50:00 to 02-SEP-19 16:50:00 (CST-6)
Location: ELLIOTT
Magnitude: 78.00 EG
Reported by: Trained Spotter

Roof panels were blown off the gable end of a Cenex storage building.

Thunderstorm Wind in RANSOM, NORTH DAKOTA
From 02-SEP-19 16:53:00 to 02-SEP-19 16:53:00 (CST-6)
Location: LISBON MUNI ARPT
Magnitude: 51.00 MG
Reported by: Mesonet

The wind gust was measured by a NDAWN mesonet sensor.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 02-SEP-19 17:10:00 to 02-SEP-19 17:10:00 (CST-6)
Location: RIVERSIDE
Magnitude: 70.00 EG
Reported by: Social Media

Three power poles were blown down.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 02-SEP-19 17:11:00 to 02-SEP-19 17:11:00 (CST-6)
Location: (FAR)HECTOR INTL ARP
Magnitude: 58.00 MG
Reported by: Mesonet

The wind gust was measured by a NDAWN mesonet sensor.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 02-SEP-19 17:15:00 to 02-SEP-19 17:15:00 (CST-6)
Location: RIVERSIDE
Magnitude: 61.00 EG
Reported by: Trained Spotter

Numerous tree branches were blown down with sporadic power outages.

Thunderstorm Wind in CASS, NORTH DAKOTA
From 02-SEP-19 17:26:00 to 02-SEP-19 17:26:00 (CST-6)
Location: (FAR)HECTOR INTL ARP
Magnitude: 70.00 EG
Reported by: Public

Multiple power lines were toppled in north Fargo.

Thunderstorm Wind in RICHLAND, NORTH DAKOTA
From 02-SEP-19 17:48:00 to 02-SEP-19 17:48:00 (CST-6)
Location: STILES
Magnitude: 52.00 EG
Reported by: Trained Spotter

The wind speeds were estimated.

Thunderstorm Wind in RICHLAND, NORTH DAKOTA
From 02-SEP-19 17:50:00 to 02-SEP-19 17:50:00 (CST-6)
Location: MOORETON
Magnitude: 51.00 MG
Reported by: Mesonet

The wind gust was measured by a NDAWN mesonet sensor on a 10 meter tall tower.

Hail in RICHLAND, NORTH DAKOTA
From 02-SEP-19 17:31:00 to 02-SEP-19 17:31:00 (CST-6)
Location: WYNDMERE
Magnitude: 1.25 
Reported by: Social Media

Hail in RICHLAND, NORTH DAKOTA
From 02-SEP-19 17:40:00 to 02-SEP-19 17:40:00 (CST-6)
Location: BARNEY
Magnitude: 1.00 
Reported by: Social Media

High Wind in CASS, NORTH DAKOTA
From 02-SEP-19 18:00:00 to 02-SEP-19 18:00:00 (CST-6)
Magnitude: 50.00 MG
Reported by: ASOS

A wake low formed after the initial bowing thunderstorm had tracked through the Fargo-Moorhead area. This produced another damaging wind gust.