A disturbance aloft swept southeast through the plains and adjoining mountains of Central Montana. This disturbance triggered isolated to scattered thunderstorm development. Observations early in the afternoon showed a moderately unstable airmass near the Canadian border and moderate wind shear. A general threat of hail and
gusty winds with the thunderstorms resulted in SPC issuing a convective watch for much of North Central Montana.

Heavy Rain in HILL, MONTANA
From 22-JUL-13 17:25:00 to 22-JUL-13 17:45:00 (MST-7)
Location: GILDFORD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rain measuring 1.10 inches in 20 minutes was reported 24 mi N of Gildford, MT. Pea size hail was also reported with this passing storm.

Thunderstorm Wind in GLACIER, MONTANA
From 24-JUL-13 17:45:00 to 24-JUL-13 17:45:00 (MST-7)
Location: BABB
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

High winds estimated at 52KT (60MPH) were reported 6 mi NNE of Babb, MT.

Hail in GLACIER, MONTANA
From 24-JUL-13 17:45:00 to 24-JUL-13 17:45:00 (MST-7)
Location: BABB
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Hail measuring 1.00 inches (quarter sized) was reported 6 mi NNE of Babb, MT.

Hail in GLACIER, MONTANA
From 24-JUL-13 16:55:00 to 24-JUL-13 16:55:00 (MST-7)
Location: BABB
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Hail measuring 1.50 inches (ping pong ball sized) was reported 6 mi NNE of Babb, MT.

Hail in GLACIER, MONTANA
From 24-JUL-13 18:37:00 to 24-JUL-13 18:37:00 (MST-7)
Location: CUTBANK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail measuring 1.00 inches (quarter sized) was reported 11 mi WSW of Cut Bank, MT.

Hail in PONDERA, MONTANA
From 24-JUL-13 19:15:00 to 24-JUL-13 19:15:00 (MST-7)
Location: VALIER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail measuring 1.75 inches (golf ball sized) was reported 5 mi SSW of Valier, MT. Windows were reported as being broken at a spotters residence.

Hail in TETON, MONTANA
From 24-JUL-13 20:00:00 to 24-JUL-13 20:00:00 (MST-7)
Location: DUTTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail measuring 1.00 inches (quarter sized) was reported 3 mi NE of Dutton, MT.

Hail in TETON, MONTANA
From 24-JUL-13 20:08:00 to 24-JUL-13 20:08:00 (MST-7)
Location: DUTTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail measuring 1.00 inches (quarter sized) was reported 1 mi NE of Dutton, MT.

Hail in CASCADE, MONTANA
From 24-JUL-13 20:20:00 to 24-JUL-13 20:20:00 (MST-7)
Location: GREAT FALLS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail measuring 1.25 inches (half dollar sized) was reported 24 mi NW of Great Falls, MT.

Hail in GLACIER, MONTANA
From 24-JUL-13 18:20:00 to 24-JUL-13 18:20:00 (MST-7)
Location: (CTB)CUTBANK MUNI AR
Magnitude: 1.00 
Property damage: 0.00K
Reported by: Trained Spotter

Hail measuring 1.00 inches (quarter sized) was reported 1 mi W of Cut Bank, MT. Widespread crop damage was also reported.

Hail in CASCADE, MONTANA
From 24-JUL-13 20:55:00 to 24-JUL-13 20:55:00 (MST-7)
Location: GREAT FALLS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail measuring 1.00 inches (quarter sized) was reported 5 mi N of Great Falls, MT.

Hail in CASCADE, MONTANA
From 24-JUL-13 21:35:00 to 24-JUL-13 21:35:00 (MST-7)
Location: BELT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail measuring 1.00 inches (quarter sized) was reported in Belt, MT.

Thunderstorm Wind in PONDERA, MONTANA
From 24-JUL-13 19:42:00 to 24-JUL-13 19:42:00 (MST-7)
Location: CONRAD
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

High winds measured at 64KT (73MPH) were reported 7 mi SSW of Conrad, MT.

Thunderstorm Wind in CASCADE, MONTANA
From 24-JUL-13 21:05:00 to 24-JUL-13 21:05:00 (MST-7)
Location: (GFA)MALMSTROM AFB
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

High winds estimated at 55KT (63MPH) were reported on the Malmstrom Air Force Base ASOS.

Hail in TOOLE, MONTANA
From 22-JUL-13 16:15:00 to 22-JUL-13 16:15:00 (MST-7)
Location: SUNBURST
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail measuring 1.75 inches (golf ball sized) was reported in Sunburst, MT.