Storm Events Database

Storm Events Database

Event Details

Event Thunderstorm Wind
Magnitude 56 kts.
State MONTANA
County/Area PRAIRIE
WFO GGW
Begin Date 07/22/2011 16:12:00 MST-7
Begin Range 0
Begin Azimuth W
Begin Location TERRY
Begin Lat/Lon 46.78/-105.31
End Date 07/22/2011 16:12:00 MST-7
Deaths Direct/Indirect 0/0 (fatality details below, when available...)
Injuries Direct/Indirect 0/0
Property Damage 0.00K
Crop Damage 0.00K
Episode Narrative A very unstable air mass, a potent low pressure trough, and supporting deep-layer shear combined to develop numerous severe thunderstorms.
Event Narrative A semi-truck at mile marker 157 on the interstate was blown over. The trailer was empty. DES confirmed it was straight line winds.


All events for this episode:

Location County/Zone St. Date Time T.Z. Type Mag Dth Inj PrD CrD
Totals: 0 0 0.00K 0.00K
MALTA PHILLIPS CO. MT 07/22/2011 12:00 MST-7 Hail 1.25 in. 0 0 0.00K 0.00K
MALTA PHILLIPS CO. MT 07/22/2011 12:00 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
MALTA PHILLIPS CO. MT 07/22/2011 12:03 MST-7 Hail 1.25 in. 0 0 0.00K 0.00K
CONTENT PHILLIPS CO. MT 07/22/2011 12:03 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
MALTA PHILLIPS CO. MT 07/22/2011 12:03 MST-7 Hail 1.50 in. 0 0 0.00K 0.00K
MALTA PHILLIPS CO. MT 07/22/2011 12:10 MST-7 Hail 1.25 in. 0 0 0.00K 0.00K
MALTA PHILLIPS CO. MT 07/22/2011 12:10 MST-7 Hail 1.25 in. 0 0 0.00K 0.00K
MALTA PHILLIPS CO. MT 07/22/2011 12:10 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
MALTA PHILLIPS CO. MT 07/22/2011 12:15 MST-7 Hail 1.50 in. 0 0 0.00K 0.00K
MALTA PHILLIPS CO. MT 07/22/2011 12:15 MST-7 Hail 0.88 in. 0 0 0.00K 0.00K
GLASGOW VALLEY CO. MT 07/22/2011 13:38 MST-7 Thunderstorm Wind 70 kts. EG 0 0 0.00K 0.00K
GLASGOW VALLEY CO. MT 07/22/2011 13:38 MST-7 Hail 2.75 in. 0 0 0.00K 0.00K
GLASGOW VALLEY CO. MT 07/22/2011 13:42 MST-7 Hail 1.25 in. 0 0 0.00K 0.00K
GLASGOW VALLEY CO. MT 07/22/2011 13:43 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
GLASGOW VALLEY CO. MT 07/22/2011 13:46 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
DUCK CREEK VALLEY CO. MT 07/22/2011 13:59 MST-7 Hail 2.75 in. 0 0 0.00K 0.00K
DUCK CREEK VALLEY CO. MT 07/22/2011 14:00 MST-7 Hail 2.00 in. 0 0 0.00K 0.00K
GLASGOW VALLEY CO. MT 07/22/2011 14:03 MST-7 Flash Flood 0 0 0.00K 0.00K
NASHUA VALLEY CO. MT 07/22/2011 14:04 MST-7 Hail 1.25 in. 0 0 0.00K 0.00K
NASHUA VALLEY CO. MT 07/22/2011 14:05 MST-7 Hail 1.25 in. 0 0 0.00K 0.00K
GLASGOW VALLEY CO. MT 07/22/2011 14:05 MST-7 Heavy Rain 0 0 0.00K 0.00K
FT PECK LAKE HANDAR MCCONE CO. MT 07/22/2011 14:10 MST-7 Hail 1.75 in. 0 0 0.00K 0.00K
GLASGOW VALLEY CO. MT 07/22/2011 14:15 MST-7 Heavy Rain 0 0 0.00K 0.00K
GLASGOW VALLEY CO. MT 07/22/2011 14:26 MST-7 Flash Flood 0 0 0.00K 0.00K
DUCK CREEK VALLEY CO. MT 07/22/2011 14:30 MST-7 Thunderstorm Wind 52 kts. EG 0 0 0.00K 0.00K
FRAZER VALLEY CO. MT 07/22/2011 14:45 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
BROCKWAY MCCONE CO. MT 07/22/2011 14:46 MST-7 Thunderstorm Wind 56 kts. MG 0 0 0.00K 0.00K
BROCKWAY MCCONE CO. MT 07/22/2011 14:46 MST-7 Hail 0.75 in. 0 0 0.00K 0.00K
FRAZER VALLEY CO. MT 07/22/2011 14:46 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
LUSTRE VALLEY CO. MT 07/22/2011 14:46 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
NASHUA VALLEY CO. MT 07/22/2011 15:00 MST-7 Hail 1.75 in. 0 0 0.00K 0.00K
VIDA MCCONE CO. MT 07/22/2011 15:15 MST-7 Thunderstorm Wind 52 kts. EG 0 0 0.00K 0.00K
MC CLOUD PRAIRIE CO. MT 07/22/2011 15:20 MST-7 Hail 1.25 in. 0 0 0.00K 0.00K
POPLAR ROOSEVELT CO. MT 07/22/2011 15:45 MST-7 Flash Flood 0 0 0.00K 0.00K
BROCKWAY MCCONE CO. MT 07/22/2011 15:46 MST-7 Hail 0.75 in. 0 0 0.00K 0.00K
RICHEY DAWSON CO. MT 07/22/2011 16:00 MST-7 Thunderstorm Wind 52 kts. EG 0 0 0.00K 0.00K
TERRY PRAIRIE CO. MT 07/22/2011 16:11 MST-7 Thunderstorm Wind 50 kts. MG 0 0 0.00K 0.00K
TERRY PRAIRIE CO. MT 07/22/2011 16:12 MST-7 Thunderstorm Wind 56 kts. EG 0 0 0.00K 0.00K
GLENDIVE DAWSON CO. MT 07/22/2011 16:12 MST-7 Thunderstorm Wind 51 kts. MG 0 0 0.00K 0.00K
BLOOMFIELD DAWSON CO. MT 07/22/2011 16:12 MST-7 Thunderstorm Wind 65 kts. MG 0 0 0.00K 0.00K
GLENDIVE DAWSON CO. MT 07/22/2011 16:40 MST-7 Thunderstorm Wind 70 kts. EG 0 0 0.00K 0.00K
GLENDIVE DAWSON CO. MT 07/22/2011 16:55 MST-7 Thunderstorm Wind 51 kts. MG 0 0 0.00K 0.00K
VIDA MCCONE CO. MT 07/22/2011 17:00 MST-7 Flash Flood 0 0 0.00K 0.00K
WIBAUX WIBAUX CO. MT 07/22/2011 17:26 MST-7 Thunderstorm Wind 65 kts. EG 0 0 0.00K 0.00K
WIBAUX WIBAUX CO. MT 07/22/2011 17:30 MST-7 Thunderstorm Wind 65 kts. EG 0 0 0.00K 0.00K
Totals: 0 0 0.00K 0.00K