A veru unstable airmass over Northcentral Montana helped produce numerous thunderstorms during the late afternoon and early evening hours. Hail larger than ping pong balls was reported. A funnel cloud was also reported.

Funnel Cloud in GLACIER, MONTANA
From 19-JUL-10 17:07:00 to 19-JUL-10 17:07:00 (MST-7)
Location: BROWNING
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A funnel cloud was observed by law enforcement personnel at Browning 22SE. It lasted a minute or two.

Hail in LEWIS AND CLARK, MONTANA
From 19-JUL-10 14:52:00 to 19-JUL-10 14:52:00 (MST-7)
Location: AUGUSTA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm dropped 1 inch diameter hail at Augusta 18SE.

Hail in GLACIER, MONTANA
From 19-JUL-10 16:30:00 to 19-JUL-10 16:30:00 (MST-7)
Location: BROWNING
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm dropped 1.5 inch diameter hail at Browning 7NNE.

Hail in GLACIER, MONTANA
From 19-JUL-10 17:10:00 to 19-JUL-10 17:10:00 (MST-7)
Location: CUTBANK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm dropped 1 inch diameter hail at Cut Bank 12WSW.

Hail in PONDERA, MONTANA
From 19-JUL-10 17:15:00 to 19-JUL-10 17:15:00 (MST-7)
Location: VALIER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm dropped 1.75 inch diameter hail at Valier 15NW.

Hail in PONDERA, MONTANA
From 19-JUL-10 18:15:00 to 19-JUL-10 18:15:00 (MST-7)
Location: CONRAD
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm dropped 2 inch diameter hail at Conrad 7N.

Hail in PONDERA, MONTANA
From 19-JUL-10 18:20:00 to 19-JUL-10 18:20:00 (MST-7)
Location: CONRAD
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm dropped 1.5 inch diameter hail at Conrad 1N.

Hail in PONDERA, MONTANA
From 19-JUL-10 18:45:00 to 19-JUL-10 18:45:00 (MST-7)
Location: BRADY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm dropped 1.25 inch diameter hail at Brady 27ENE.

Hail in CHOUTEAU, MONTANA
From 19-JUL-10 19:42:00 to 19-JUL-10 19:42:00 (MST-7)
Location: FT BENTON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm dropped 1.75 inch diameter hail at Fort Benton 20NW (The Knees 12SE).

Hail in CHOUTEAU, MONTANA
From 19-JUL-10 19:55:00 to 19-JUL-10 19:55:00 (MST-7)
Location: CARTER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm dropped 1 inch diameter hail west of Carter.

Hail in GLACIER, MONTANA
From 19-JUL-10 16:00:00 to 19-JUL-10 16:00:00 (MST-7)
Location: ST MARY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A thunderstorm dropped 1 inch diameter hail at Saint Mary 17N (the Port of Piegan border site).

Hail in GLACIER, MONTANA
From 19-JUL-10 17:10:00 to 19-JUL-10 17:10:00 (MST-7)
Location: CUTBANK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm dropped 1 inch diameter hail at Cut Bank 10W.

Hail in GLACIER, MONTANA
From 19-JUL-10 16:00:00 to 19-JUL-10 16:00:00 (MST-7)
Location: ST MARY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A thunderstorm dropped 1 inch diameter hail at Saint Mary 15N.