Storm Events Database

Event Details

Event Hail
Magnitude 0.88 in.
State MONTANA
County/Area SANDERS
WFO MSO
Report Source Trained Spotter
NCDC Data Source CSV
Begin Date 2010-07-31 18:10:00.0 MST-7
Begin Location 1S CAMAS
Begin Lat/Lon 47.61/-114.67
End Date 2010-07-31 18:15:00.0 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 Instability and increasing flow aloft combined with an upper low and moisture over north central Oregon produced favorable conditions for severe thunderstorms across the northern Rockies. The main threat with these storms was for large hail, ranging in size from 0.75 inches in diameter up to 1.75 inches in diameter. Heavy rain also accompanied these storms.
Event Narrative A trained spotter estimated penny to nickel sized hail.


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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 6.00K 0.00K
CHARLOS HGTS RAVALLI CO. MT 07/31/2010 13:05 MST-7 Hail 0.75 in. 0 0 0.00K 0.00K
AGENCY SANDERS CO. MT 07/31/2010 16:28 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
CHARLO LAKE CO. MT 07/31/2010 16:34 MST-7 Hail 1.75 in. 0 0 6.00K 0.00K
LOLO MISSOULA CO. MT 07/31/2010 17:30 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
(MSO)MISSOULA INTL A MISSOULA CO. MT 07/31/2010 17:31 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
CAMAS SANDERS CO. MT 07/31/2010 18:10 MST-7 Hail 0.88 in. 0 0 0.00K 0.00K
FLORENCE RAVALLI CO. MT 07/31/2010 18:49 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
CARLTON MISSOULA CO. MT 07/31/2010 18:50 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
SULA RAVALLI CO. MT 07/31/2010 20:24 MST-7 Hail 0.88 in. 0 0 0.00K 0.00K
SULA RAVALLI CO. MT 07/31/2010 20:24 MST-7 Hail 1.75 in. 0 0 0.00K 0.00K
Totals: 0 0 6.00K 0.00K