A strong low pressure system moving across the Northern Plains brought a prolonged period of strong winds to west and central North Dakota from the evening of the 19th through the afternoon of the 20th. The first round of the stronger winds impacted southwest North Dakota during the evening of the 19th along the initial pressure rises behind a cold front. The second round of the stronger winds lasted through the morning hours and into the early afternoon of the 20th.

High Wind in MCINTOSH, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 36.00 MS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Measured sustained winds from the Wishek Road Weather Information System (RWIS) site.

High Wind in DICKEY, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 17:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Dickey County.

High Wind in LA MOURE, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 17:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across LaMoure County.

High Wind in STUTSMAN, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 17:00:00 (CST-6)
Magnitude: 36.00 MS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Measured sustained winds from the Medina Road Weather Information System (RWIS) site.

High Wind in FOSTER, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 17:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Foster County.

High Wind in HETTINGER, NORTH DAKOTA
From 20-SEP-11 00:00:00 to 20-SEP-11 10:00:00 (CST-6)
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated wind gusts near 60 mph occurred across Hettinger County.

High Wind in ADAMS, NORTH DAKOTA
From 20-SEP-11 00:00:00 to 20-SEP-11 10:00:00 (CST-6)
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Measured wind gust from the Hettinger Automated Surface Observing System site.

High Wind in SLOPE, NORTH DAKOTA
From 20-SEP-11 00:00:00 to 20-SEP-11 10:00:00 (CST-6)
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated wind gusts near 60 mph occurred across Slope County.

High Wind in BOWMAN, NORTH DAKOTA
From 20-SEP-11 00:00:00 to 20-SEP-11 10:00:00 (CST-6)
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated wind gusts near 60 mph occurred across Bowman County.

High Wind in BILLINGS, NORTH DAKOTA
From 19-SEP-11 19:00:00 to 20-SEP-11 10:00:00 (CST-6)
Magnitude: 35.00 MS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Measured sustained winds from the Fryburg Road Weather Information System (RWIS) site.

High Wind in MCKENZIE, NORTH DAKOTA
From 20-SEP-11 02:00:00 to 20-SEP-11 10:00:00 (CST-6)
Magnitude: 35.00 MS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Measured sustained winds from the Grassy Butte Road Weather Information System (RWIS) site.

High Wind in GOLDEN VALLEY, NORTH DAKOTA
From 19-SEP-11 18:30:00 to 20-SEP-11 10:00:00 (CST-6)
Magnitude: 36.00 MS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Measured wind gust from the Beach Automated Weather Observing System site.

High Wind in STARK, NORTH DAKOTA
From 20-SEP-11 02:00:00 to 20-SEP-11 10:00:00 (CST-6)
Magnitude: 35.00 MS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

High Wind in DUNN, NORTH DAKOTA
From 20-SEP-11 02:00:00 to 20-SEP-11 10:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds near 40 mph occurred across Dunn County.

High Wind in DIVIDE, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 05:00:00 (CST-6)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

High Wind in BURKE, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 05:00:00 (CST-6)
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated wind gusts near 60 mph occurred across Burke County.

High Wind in SIOUX, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 36.00 MS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Sustained winds of 42 mph were measured at the Remote Automated Weather Station at Tatanka Prairie.

High Wind in GRANT, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Grant County.

High Wind in MORTON, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Morton County.

High Wind in OLIVER, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Oliver County.

High Wind in MERCER, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Mercer County.

High Wind in MCLEAN, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across McLean County.

High Wind in BURLEIGH, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Burleigh County.

High Wind in EMMONS, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Emmons County.

High Wind in KIDDER, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Kidder County.

High Wind in SHERIDAN, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 36.00 MS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Measured sustained winds from the Denhoff Road Weather Information System (RWIS) site.

High Wind in MCHENRY, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across McHenry County.

High Wind in ROLETTE, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Rolette County.

High Wind in PIERCE, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Pierce County.

High Wind in WELLS, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Wells County.

High Wind in LOGAN, NORTH DAKOTA
From 20-SEP-11 03:00:00 to 20-SEP-11 15:00:00 (CST-6)
Magnitude: 35.00 ES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Estimated sustained winds up to 40 mph occurred across Logan County.