Multiple short-wave troughs passing through the area resulted in thunderstorm development. Adequate instability and shear were present for some thunderstorms to become severe. The largest hail reported was the size of golf balls, and fell in Bottineau County. The strongest thunderstorm wind gusts reported were 70 mph, and occurred in both Stark and Bottineau counties.

Thunderstorm Wind in STARK, NORTH DAKOTA
From 17-JUL-19 17:38:00 to 17-JUL-19 17:41:00 (MST-7)
Location: TAYLOR
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public estimated thunderstorm wind gusts to 70 mph.

Hail in MORTON, NORTH DAKOTA
From 17-JUL-19 20:54:00 to 17-JUL-19 20:57:00 (CST-6)
Location: ST ANTHONY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in BOTTINEAU, NORTH DAKOTA
From 17-JUL-19 19:06:00 to 17-JUL-19 19:09:00 (CST-6)
Location: BOTTINEAU
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated thunderstorm wind gusts to 70 mph.

Hail in HETTINGER, NORTH DAKOTA
From 17-JUL-19 15:05:00 to 17-JUL-19 15:08:00 (MST-7)
Location: BURT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SIOUX, NORTH DAKOTA
From 17-JUL-19 17:17:00 to 17-JUL-19 17:19:00 (MST-7)
Location: SELFRIDGE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GRANT, NORTH DAKOTA
From 17-JUL-19 17:20:00 to 17-JUL-19 17:22:00 (MST-7)
Location: NEW LEIPZIG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in SIOUX, NORTH DAKOTA
From 17-JUL-19 17:30:00 to 17-JUL-19 17:32:00 (MST-7)
Location: FT YATES
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STARK, NORTH DAKOTA
From 17-JUL-19 17:00:00 to 17-JUL-19 17:02:00 (MST-7)
Location: SOUTH HEART
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in STARK, NORTH DAKOTA
From 17-JUL-19 17:10:00 to 17-JUL-19 17:13:00 (MST-7)
Location: DICKINSON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public estimated thunderstorm wind gusts to 65 mph.

Hail in STARK, NORTH DAKOTA
From 17-JUL-19 17:33:00 to 17-JUL-19 17:38:00 (MST-7)
Location: GLADSTONE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in BOTTINEAU, NORTH DAKOTA
From 17-JUL-19 18:30:00 to 17-JUL-19 18:34:00 (CST-6)
Location: NEWBURG
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BOTTINEAU, NORTH DAKOTA
From 17-JUL-19 18:35:00 to 17-JUL-19 18:38:00 (CST-6)
Location: RUSSELL
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BOTTINEAU, NORTH DAKOTA
From 17-JUL-19 19:06:00 to 17-JUL-19 19:09:00 (CST-6)
Location: BOTTINEAU
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STARK, NORTH DAKOTA
From 17-JUL-19 17:38:00 to 17-JUL-19 17:41:00 (MST-7)
Location: TAYLOR
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BOTTINEAU, NORTH DAKOTA
From 17-JUL-19 18:30:00 to 17-JUL-19 18:33:00 (CST-6)
Location: RUSSELL
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MORTON, NORTH DAKOTA
From 17-JUL-19 20:54:00 to 17-JUL-19 20:56:00 (CST-6)
Location: ST ANTHONY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public