A moderately unstable atmosphere, excessive surface moisture, and strong shear combined to produce severe weather.

Flash Flood in GARFIELD, MONTANA
From 14-JUL-11 18:19:00 to 14-JUL-11 18:19:00 (MST-7)
Location: JORDAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Garfield County Sheriff's Department reported water crossing the road at the intersection of highway 200 and highway 59 just west-southwest of Jordan.

Hail in GARFIELD, MONTANA
From 14-JUL-11 17:10:00 to 14-JUL-11 17:10:00 (MST-7)
Location: JORDAN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Some golf ball-sized hail stones were reported with heavy rain.

Hail in GARFIELD, MONTANA
From 14-JUL-11 17:26:00 to 14-JUL-11 17:26:00 (MST-7)
Location: JORDAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Quarter-sized hail stones reported with heavy rain.

Hail in GARFIELD, MONTANA
From 14-JUL-11 17:45:00 to 14-JUL-11 17:45:00 (MST-7)
Location: JORDAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GARFIELD, MONTANA
From 14-JUL-11 18:40:00 to 14-JUL-11 18:40:00 (MST-7)
Location: JORDAN
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hen egg-sized hail stones were reported.

Thunderstorm Wind in RICHLAND, MONTANA
From 14-JUL-11 21:50:00 to 14-JUL-11 21:50:00 (MST-7)
Location: ENID
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several tree branches of 6 to 8 inches in diameter were on the road.  Wind moved spotter's Ford F550 truck.

Thunderstorm Wind in GARFIELD, MONTANA
From 14-JUL-11 19:05:00 to 14-JUL-11 19:05:00 (MST-7)
Location: VAN NORMAN
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rain was also reported.

Thunderstorm Wind in MCCONE, MONTANA
From 14-JUL-11 19:20:00 to 14-JUL-11 19:20:00 (MST-7)
Location: BROCKWAY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Local 911 call center reported 60 mph winds.

Thunderstorm Wind in MCCONE, MONTANA
From 14-JUL-11 19:55:00 to 14-JUL-11 19:55:00 (MST-7)
Location: CIRCLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported 60 mph winds.

Thunderstorm Wind in VALLEY, MONTANA
From 14-JUL-11 20:15:00 to 14-JUL-11 20:15:00 (MST-7)
Location: LUSTRE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported 60 mph winds, pea-sized hail, and heavy rain.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 14-JUL-11 20:30:00 to 14-JUL-11 20:30:00 (MST-7)
Location: VOLT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported 60 mph winds and heavy rain.

Thunderstorm Wind in DAWSON, MONTANA
From 14-JUL-11 20:40:00 to 14-JUL-11 20:40:00 (MST-7)
Location: GLENDIVE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported 60 mph winds, pea-sized hail, and heavy rain.

Thunderstorm Wind in DANIELS, MONTANA
From 14-JUL-11 20:55:00 to 14-JUL-11 20:55:00 (MST-7)
Location: SCOBEY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Daniels County Dispatch reported 60 mph winds and heavy rain.

Thunderstorm Wind in WIBAUX, MONTANA
From 14-JUL-11 21:45:00 to 14-JUL-11 21:45:00 (MST-7)
Location: WIBAUX
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported 65 mph winds.

Thunderstorm Wind in GARFIELD, MONTANA
From 14-JUL-11 17:26:00 to 14-JUL-11 17:26:00 (MST-7)
Location: JORDAN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Garfield County dispatch estimated 60 mph wind gusts.

Thunderstorm Wind in PHILLIPS, MONTANA
From 14-JUL-11 17:40:00 to 14-JUL-11 17:40:00 (MST-7)
Location: CONTENT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rain was also reported.