Thunderstorm Wind in ROSEBUD, MONTANA
From 12-JUL-06 19:38:00 to 12-JUL-06 19:38:00 (MST)
Location: COLSTRIP
Magnitude: 72 EG
Reported by: TRAINED SPOTTER

Several severe wind gusts over 60 mph estimated between 714 PM MST and 738 PM MST.

Thunderstorm Wind in ROSEBUD, MONTANA
From 12-JUL-06 19:45:00 to 12-JUL-06 19:45:00 (MST)
Location: ASHLAND
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

4 inch Ash tree branches broken. Severe wind gusts occurred for a period of 20 minutes.

Thunderstorm Wind in POWDER RIVER, MONTANA
From 12-JUL-06 19:55:00 to 12-JUL-06 19:55:00 (MST)
Location: BROADUS
Magnitude: 60 EG
Reported by: TRAINED SPOTTER

Roof blown off shed.

Thunderstorm Wind in CUSTER, MONTANA
From 12-JUL-06 20:00:00 to 12-JUL-06 20:00:00 (MST)
Location: VOLBORG
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

Window broken by wind blown tree limb.

Thunderstorm Wind in FALLON, MONTANA
From 12-JUL-06 20:50:00 to 12-JUL-06 20:50:00 (MST)
Location: PLEVNA
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

2 to 3 inch diameter Cottonwood tree branches broken by the wind.

Thunderstorm Wind in ROSEBUD, MONTANA
From 12-JUL-06 19:20:00 to 12-JUL-06 19:20:00 (MST)
Location: COLSTRIP
Magnitude: 70 MG
Reported by: TRAINED SPOTTER

12 inch tree branches broken.

Thunderstorm Wind in ROSEBUD, MONTANA
From 12-JUL-06 19:20:00 to 12-JUL-06 19:20:00 (MST)
Location: LAME DEER
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

Power lines and trees down. Severe wind gusts occurred for a period of 20 minutes.

Thunderstorm Wind in ROSEBUD, MONTANA
From 12-JUL-06 19:25:00 to 12-JUL-06 19:25:00 (MST)
Location: LAME DEER
Magnitude: 75 MG
Reported by: AWOS,ASOS,MESONET,ETC

Measure by RAWS

Thunderstorm Wind in YELLOWSTONE, MONTANA
From 12-JUL-06 17:48:00 to 12-JUL-06 17:48:00 (MST)
Location: BILLINGS
Magnitude: 70 EG
Reported by: NWS EMPLOYEE(OFF DUTY)

6 to 8 inch tree limb damaged house roof in Billings Heights. Patio table broken by the wind and 4x6 foot sheets of plywood blown by the wind.

Thunderstorm Wind in YELLOWSTONE, MONTANA
From 12-JUL-06 17:49:00 to 12-JUL-06 17:49:00 (MST)
Location: BILLINGS
Magnitude: 68 MG
Reported by: AWOS,ASOS,MESONET,ETC

Billings ASOS also measured a peak sustained wind of 58 mph at 543 PM MST.

Thunderstorm Wind in CARBON, MONTANA
From 12-JUL-06 17:35:00 to 12-JUL-06 17:35:00 (MST)
Location: BRIDGER
Magnitude: 59 MG
Reported by: AWOS,ASOS,MESONET,ETC

South Bridger RAWS

Thunderstorm Wind in MUSSELSHELL, MONTANA
From 12-JUL-06 17:45:00 to 12-JUL-06 17:45:00 (MST)
Location: ROUNDUP
Magnitude: 58 MG
Reported by: DEPT OF HIGHWAYS

Bull Mountain Divide DOT

Thunderstorm Wind in BIG HORN, MONTANA
From 12-JUL-06 18:00:00 to 12-JUL-06 18:00:00 (MST)
Location: HARDIN
Magnitude: 60 EG
Reported by: TRAINED SPOTTER

4 inch Cottonwood tree branches broken.

Thunderstorm Wind in BIG HORN, MONTANA
From 12-JUL-06 18:15:00 to 12-JUL-06 18:15:00 (MST)
Location: ST XAVIER
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

2 to 3 inch Aspen tree branches broken by the wind.

Thunderstorm Wind in YELLOWSTONE, MONTANA
From 12-JUL-06 18:20:00 to 12-JUL-06 18:20:00 (MST)
Location: SHEPHERD
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

Large Cottonwood tree uprooted across Shepherd Road.

Thunderstorm Wind in ROSEBUD, MONTANA
From 12-JUL-06 18:30:00 to 12-JUL-06 18:30:00 (MST)
Location: SUMATRA
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

Severe wind gusts occurred for a period of 20 minutes.

Thunderstorm Wind in YELLOWSTONE, MONTANA
From 12-JUL-06 18:45:00 to 12-JUL-06 18:45:00 (MST)
Location: POMPEYS PILLAR
Magnitude: 65 EG
Reported by: TRAINED SPOTTER

Severe wind gusts occurred for a period of 20 minutes.

Thunderstorm Wind in STILLWATER, MONTANA
From 12-JUL-06 17:25:00 to 12-JUL-06 17:25:00 (MST)
Location: PARK CITY
Magnitude: 70 EG
Reported by: NWS EMPLOYEE(OFF DUTY)

12  inch diameter live tree branch broken. Roof shingle damage on NWS employee house.

Thunderstorm Wind in TREASURE, MONTANA
From 12-JUL-06 18:45:00 to 12-JUL-06 18:45:00 (MST)
Location: HYSHAM
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

Severe wind gusts occurred for a period of 20 minutes.

Thunderstorm Wind in ROSEBUD, MONTANA
From 12-JUL-06 18:50:00 to 12-JUL-06 18:50:00 (MST)
Location: INGOMAR
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

Severe wind gusts occurred for a period of 20 minutes.