Storm Events Database

Event Details

Event Thunderstorm Wind
Magnitude 61 kts.
State MONTANA
County/Area MUSSELSHELL
WFO BYZ
Report Source Trained Spotter
NCDC Data Source CSV
Begin Date 2011-08-29 14:45:00.0 MST-7
Begin Location 3W DELPHIA
Begin Lat/Lon 46.5/-108.28
End Date 2011-08-29 14:45:00.0 MST-7
Deaths Direct/Indirect 0/0 (fatality details below, when available...)
Injuries Direct/Indirect 0/0
Property Damage
Crop Damage 0.00K
Episode Narrative A midlevel vorticity maximum moved across Montana. The ambient air mass was characterized by steep lapse rates and boundary layer dewpoints in the middle 50s to lower 60s. There was also a strong deep-layer wind field. The threat existed for supercells and bow lines with damaging winds and large hail.
Event Narrative Some roof damage was reported 3 miles west of Delphia.


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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
RAPIDS STILLWATER CO. MT 08/29/2011 12:41 MST-7 Thunderstorm Wind 55 kts. EG 0 0 0.00K 0.00K
LAUREL YELLOWSTONE CO. MT 08/29/2011 13:15 MST-7 Thunderstorm Wind 56 kts. MG 0 0 0.00K 0.00K
(BIL)LOGAN ARPT BILL YELLOWSTONE CO. MT 08/29/2011 13:20 MST-7 Thunderstorm Wind 50 kts. MG 0 0 0.00K 0.00K
LOCKWOOD YELLOWSTONE CO. MT 08/29/2011 13:25 MST-7 Thunderstorm Wind 52 kts. EG 0 0 0.00K 0.00K
LOCKWOOD YELLOWSTONE CO. MT 08/29/2011 13:30 MST-7 Thunderstorm Wind 52 kts. EG 0 0 0.00K 0.00K
YELLOWTAIL BIG HORN CO. MT 08/29/2011 14:30 MST-7 Thunderstorm Wind 52 kts. EG 0 0 0.00K 0.00K
DELPHIA MUSSELSHELL CO. MT 08/29/2011 14:45 MST-7 Thunderstorm Wind 61 kts. EG 0 0 0.00K 0.00K
Totals: 0 0 0.00K 0.00K