A strong cold front swept across eastern North Dakota and the northwestern quarter of Minnesota during the evening of September 2nd. Around 8 pm CDT, a line of thunderstorms stretched from central Walsh County (ND) southwestward into eastern Eddy County (ND). These storms progressed nearly straight east, so that by 10:30 pm CDT, they stretched from Waskish to Bemidji to just east of Detroit Lakes (MN). These storms produced strong wind gusts at numerous locations along this track.

Thunderstorm Wind in TRAILL, NORTH DAKOTA
From 02-SEP-20 20:00:00 to 02-SEP-20 20:00:00 (CST-6)
Location: HILLSBORO
Magnitude: 52.00 EG
Reported by: Social Media

Multiple 4 to 6 inch diameter branches were blown down in Hillsboro.

Thunderstorm Wind in GRAND FORKS, NORTH DAKOTA
From 02-SEP-20 20:00:00 to 02-SEP-20 20:00:00 (CST-6)
Location: (RDR)GRAND FORKS AFB
Magnitude: 62.00 MG
Reported by: Mesonet

The wind gust was measured by a ND DOT RWIS mesonet sensor near Emerado.

Thunderstorm Wind in EDDY, NORTH DAKOTA
From 02-SEP-20 18:54:00 to 02-SEP-20 18:54:00 (CST-6)
Location: BRANTFORD
Magnitude: 60.00 EG
Reported by: Public

Several 4 to 6 inch diameter tree branches were blown down in farmstead shelterbelts.

Thunderstorm Wind in GRIGGS, NORTH DAKOTA
From 02-SEP-20 19:21:00 to 02-SEP-20 19:21:00 (CST-6)
Location: KARNAK
Magnitude: 65.00 EG
Reported by: Social Media

The wind gust speed was estimated.

Thunderstorm Wind in GRAND FORKS, NORTH DAKOTA
From 02-SEP-20 19:29:00 to 02-SEP-20 19:29:00 (CST-6)
Location: (RDR)GRAND FORKS AFB
Magnitude: 62.00 MG
Reported by: Mesonet

The wind gust was measured by a RWIS mesonet sensor.

Thunderstorm Wind in GRIGGS, NORTH DAKOTA
From 02-SEP-20 19:30:00 to 02-SEP-20 19:30:00 (CST-6)
Location: COOPERSTOWN
Magnitude: 50.00 MG
Reported by: Social Media

The wind gust was measured by a Davis mesonet sensor.

Thunderstorm Wind in GRAND FORKS, NORTH DAKOTA
From 02-SEP-20 19:33:00 to 02-SEP-20 19:33:00 (CST-6)
Location: (RDR)GRAND FORKS AFB
Magnitude: 50.00 MG
Reported by: AWOS

The wind gust was measured at the Grand Forks Air Force Base.

Thunderstorm Wind in GRAND FORKS, NORTH DAKOTA
From 02-SEP-20 19:38:00 to 02-SEP-20 19:38:00 (CST-6)
Location: OJATA
Magnitude: 56.00 MG
Reported by: Social Media

The wind gust was measured by a personal weather station.

Thunderstorm Wind in BARNES, NORTH DAKOTA
From 02-SEP-20 19:42:00 to 02-SEP-20 19:42:00 (CST-6)
Location: PILLSBURY
Magnitude: 54.00 MG
Reported by: Mesonet

The wind gust was measured by a NDAWN mesonet sensor.

Thunderstorm Wind in GRAND FORKS, NORTH DAKOTA
From 02-SEP-20 19:46:00 to 02-SEP-20 19:46:00 (CST-6)
Location: POWELL
Magnitude: 56.00 MG
Reported by: ASOS

The wind gust was measured at the Grand Forks International Airport.

Thunderstorm Wind in GRAND FORKS, NORTH DAKOTA
From 02-SEP-20 19:54:00 to 02-SEP-20 19:54:00 (CST-6)
Location: GRAND FORKS
Magnitude: 50.00 EG
Reported by: NWS Employee

Tree branches were blown down on the south side of Grand Forks.

Thunderstorm Wind in GRAND FORKS, NORTH DAKOTA
From 02-SEP-20 19:59:00 to 02-SEP-20 19:59:00 (CST-6)
Location: GRAND FORKS
Magnitude: 51.00 MG
Reported by: Mesonet

The wind gust was measured by a ND DOT RWIS mesonet sensor along Interstate 29.

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

A large tree was snapped in half near Riverside Park.