July 19th was another hot and humid day across the northern plains, with temperatures across central North Dakota reaching the mid to upper 90s along with dew points near 70F. Thunderstorms fired up along the Canadian border north of Devils Lake and moved southeast towards Reynolds, North Dakota.

Hail in GRAND FORKS, NORTH DAKOTA
From 19-JUL-12 17:05:00 to 19-JUL-12 17:05:00 (CST-6)
Location: ARVILLA
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in TRAILL, NORTH DAKOTA
From 19-JUL-12 17:35:00 to 19-JUL-12 17:35:00 (CST-6)
Location: BUXTON
Magnitude: 1.00 
Reported by: Public

The hail was mostly pea to marble size.

Hail in TRAILL, NORTH DAKOTA
From 19-JUL-12 17:50:00 to 19-JUL-12 17:50:00 (CST-6)
Location: REYNOLDS
Magnitude: 0.75 
Reported by: Amateur Radio

Hail in TOWNER, NORTH DAKOTA
From 19-JUL-12 20:15:00 to 19-JUL-12 20:15:00 (CST-6)
Location: HANSBORO
Magnitude: 1.00 
Reported by: Public

Hail in PEMBINA, NORTH DAKOTA
From 19-JUL-12 21:46:00 to 19-JUL-12 21:46:00 (CST-6)
Location: PEMBINA
Magnitude: 0.75 
Reported by: Public

Thunderstorm Wind in RAMSEY, NORTH DAKOTA
From 19-JUL-12 14:55:00 to 19-JUL-12 14:55:00 (CST-6)
Location: STARKWEATHER
Magnitude: 60.00 EG
Reported by: Trained Spotter

Several large trees, up to two feet in diameter, were broken down. Widespread tree and roof damage was reported in town, with sheet metal roofing and shingles blown about.

Thunderstorm Wind in RAMSEY, NORTH DAKOTA
From 19-JUL-12 15:00:00 to 19-JUL-12 15:10:00 (CST-6)
Location: GARSKE
Magnitude: 55.00 EG
Reported by: COOP Observer

Very strong winds occurred across central Sullivan Township, accompanied by pea sized hail and 0.40 inches of rain. Some area crops were flattened.

Thunderstorm Wind in GRAND FORKS, NORTH DAKOTA
From 19-JUL-12 17:10:00 to 19-JUL-12 17:10:00 (CST-6)
Location: ARVILLA
Magnitude: 52.00 EG
Reported by: State Official

The strong winds occurred near Turtle River State Park.

Thunderstorm Wind in GRAND FORKS, NORTH DAKOTA
From 19-JUL-12 17:25:00 to 19-JUL-12 17:25:00 (CST-6)
Location: HOLMES
Magnitude: 78.00 EG
Reported by: Utility Company

Large eighteen inch diameter trees were snapped in west central Union Township, leaving three to four foot stumps. One 85 foot tall tree fell towards the west and took down a set of power lines which were fifty feet away. Lightning also started fires among the dry grasses and stumps. Winds and lightning were followed by areas of pea sized hail and brief heavy rains, though the rainfall was very patchy.

Hail in RAMSEY, NORTH DAKOTA
From 19-JUL-12 14:55:00 to 19-JUL-12 14:55:00 (CST-6)
Location: STARKWEATHER
Magnitude: 0.75 
Reported by: Trained Spotter

Lots of pea to penny sized hail fell from northeast Hammer Township into Sullivan Township, and where driven by very strong winds, produced widespread crop damage.

Thunderstorm Wind in TRAILL, NORTH DAKOTA
From 19-JUL-12 17:30:00 to 19-JUL-12 17:30:00 (CST-6)
Location: HATTON
Magnitude: 55.00 EG
Reported by: Amateur Radio

Tree damage was reported. Some of the branches took down power lines as they fell.

Hail in GRAND FORKS, NORTH DAKOTA
From 19-JUL-12 17:00:00 to 19-JUL-12 17:00:00 (CST-6)
Location: MC CANNA
Magnitude: 1.75 
Reported by: NWS Employee

The hail was reported as silver dollar sized and it was accompanied by very strong winds.