Storm Events Database

Event Details

Event Hail
Magnitude 1.75 in.
County/Area POWELL
Report Source Public
NCDC Data Source CSV
Begin Date 2007-05-10 14:50:00.0 MST-7
Begin Location 1W AVON
Begin Lat/Lon 46.6/-112.6
End Date 2007-05-10 15:00:00.0 MST-7
End Location 1W AVON
End Lat/Lon 46.6/-112.6
Deaths Direct/Indirect 0/0 (fatality details below, when available...)
Injuries Direct/Indirect 0/0
Property Damage 2.00K
Crop Damage 0.00K
Episode Narrative On May 10, a strong, negatively tilted upper level short wave trough moved Northeast across the area. Strong surface-based instability and mid-level jet support led to supercell development as the system interracted with a thermal trough that was positioned over the area.
Event Narrative A member of the public reported hail stones that that were between quarter and golfball in size. Damage to a couple of cars was observed.


All events for this episode:

Location County/Zone St. Date Time T.Z. Type Mag Dth Inj PrD CrD
Totals: 0 0 2.00K 0.00K
BUTTE SILVER BOW CO. MT 05/10/2007 14:48 MST-7 Hail 0.88 in. 0 0 0.00K 0.00K
AVON POWELL CO. MT 05/10/2007 14:50 MST-7 Hail 1.75 in. 0 0 2.00K 0.00K
MISSOULA MISSOULA CO. MT 05/10/2007 15:18 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
VICTOR RAVALLI CO. MT 05/10/2007 16:31 MST-7 Hail 0.88 in. 0 0 0.00K 0.00K
Totals: 0 0 2.00K 0.00K