A moist and unstable atmosphere became favorable for the development of linear thunderstorms across northeast Montana.

Hail in MCCONE, MONTANA
From 03-JUL-12 17:00:00 to 03-JUL-12 17:00:00 (MST-7)
Location: CIRCLE MCCONE CO ARP
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public estimated quarter-sized hail stones.

Thunderstorm Wind in DAWSON, MONTANA
From 03-JUL-12 17:19:00 to 03-JUL-12 17:19:00 (MST-7)
Location: RICHEY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated wind gusts up to 65 mph.

Thunderstorm Wind in SHERIDAN, MONTANA
From 03-JUL-12 17:58:00 to 03-JUL-12 17:58:00 (MST-7)
Location: MEDICINE LAKE RAWS
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Wind gust of 65 mph measured at the Medicine Lake RAWS site.

Thunderstorm Wind in SHERIDAN, MONTANA
From 03-JUL-12 17:14:00 to 03-JUL-12 17:14:00 (MST-7)
Location: HOMESTEAD
Magnitude: 69.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public reported 79 mph wind gust measured by his personal at-home station.

Thunderstorm Wind in SHERIDAN, MONTANA
From 03-JUL-12 17:35:00 to 03-JUL-12 17:35:00 (MST-7)
Location: MEDICINE LAKE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated wind gusts up to 60 mph and reported shingles blowing off their roof.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 03-JUL-12 17:45:00 to 03-JUL-12 17:45:00 (MST-7)
Location: FROID
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated wind gusts up to 60 mph.

Hail in MCCONE, MONTANA
From 03-JUL-12 16:53:00 to 03-JUL-12 16:53:00 (MST-7)
Location: CIRCLE MCCONE CO ARP
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public estimated quarter-sized hail stones.

Hail in VALLEY, MONTANA
From 03-JUL-12 14:55:00 to 03-JUL-12 14:55:00 (MST-7)
Location: SAINT MARIE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DANIELS, MONTANA
From 03-JUL-12 16:20:00 to 03-JUL-12 16:20:00 (MST-7)
Location: FLAXVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported mostly pea-sized hail with some penny-sized hail stones mixed in.  Also 0.60 inches of rain in 5 minutes.

Hail in MCCONE, MONTANA
From 03-JUL-12 16:29:00 to 03-JUL-12 16:29:00 (MST-7)
Location: BROCKWAY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DAWSON, MONTANA
From 03-JUL-12 17:19:00 to 03-JUL-12 17:19:00 (MST-7)
Location: RICHEY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated hail up to the size of pennies.

Thunderstorm Wind in VALLEY, MONTANA
From 03-JUL-12 14:45:00 to 03-JUL-12 14:45:00 (MST-7)
Location: BAYLOR
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated 60 mph winds and reported pea-sized hail, small tree branches downed and a power outage.

Thunderstorm Wind in VALLEY, MONTANA
From 03-JUL-12 15:00:00 to 03-JUL-12 15:00:00 (MST-7)
Location: LARSLAN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated 60 mph wind gusts and reported pea-sized hail and brief heavy rain.

Hail in VALLEY, MONTANA
From 03-JUL-12 15:41:00 to 03-JUL-12 15:41:00 (MST-7)
Location: LUSTRE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter measured hail up to and including quarter-sized stones.

Hail in DANIELS, MONTANA
From 03-JUL-12 16:00:00 to 03-JUL-12 16:00:00 (MST-7)
Location: SCOBEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported quarter-sized hail stones and estimated 50 mph winds gusts.

Hail in DANIELS, MONTANA
From 03-JUL-12 16:00:00 to 03-JUL-12 16:00:00 (MST-7)
Location: SCOBEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated quarter-sized hail stones.

Hail in DANIELS, MONTANA
From 03-JUL-12 16:02:00 to 03-JUL-12 16:02:00 (MST-7)
Location: SCOBEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public estimated mostly dime-sized hail with some quarter-sized stones and reported heavy rain with water flowing down the streets.

Hail in DANIELS, MONTANA
From 03-JUL-12 16:05:00 to 03-JUL-12 16:05:00 (MST-7)
Location: SCOBEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public estimated quarter-sized hail and water flowing down the streets.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 03-JUL-12 16:20:00 to 03-JUL-12 16:20:00 (MST-7)
Location: BREDETTE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public estimated wind gusts up to 60 mph and reported a television antenna bent in half.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 03-JUL-12 16:28:00 to 03-JUL-12 16:28:00 (MST-7)
Location: BREDETTE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public estimated wind gusts up to 60 mph.

Hail in VALLEY, MONTANA
From 03-JUL-12 15:25:00 to 03-JUL-12 15:25:00 (MST-7)
Location: LUSTRE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated quarter-sized hail stones and wind gusts up to 50 mph.  Some tree branches blown down.

Hail in VALLEY, MONTANA
From 03-JUL-12 15:41:00 to 03-JUL-12 15:41:00 (MST-7)
Location: LUSTRE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Skywarn spotter estimated quarter-sized hail stones.

Hail in ROOSEVELT, MONTANA
From 03-JUL-12 16:26:00 to 03-JUL-12 16:26:00 (MST-7)
Location: WOLF PT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated quarter-sized hail lasting for 5 minutes.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 03-JUL-12 16:26:00 to 03-JUL-12 16:26:00 (MST-7)
Location: WOLF PT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated wind gusts up to 60 mph.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 03-JUL-12 17:06:00 to 03-JUL-12 17:06:00 (MST-7)
Location: BREDETTE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter #7733 estimated wind gusts up to 65 mph.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 03-JUL-12 17:10:00 to 03-JUL-12 17:10:00 (MST-7)
Location: BROCKTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated wind gusts up to 60 mph.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 03-JUL-12 18:45:00 to 03-JUL-12 18:45:00 (MST-7)
Location: FROID
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated wind gusts up to 60 mph and reported a broken 6-inch diameter tree limb.

Thunderstorm Wind in SHERIDAN, MONTANA
From 03-JUL-12 17:35:00 to 03-JUL-12 17:35:00 (MST-7)
Location: MEDICINE LAKE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated winds of at least 60 mph and reported a broken 2.5-inch diameter tree limb.

Hail in ROOSEVELT, MONTANA
From 03-JUL-12 17:10:00 to 03-JUL-12 17:10:00 (MST-7)
Location: BROCKTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter estimated quarter-sized hail stones.