Storm Events Database

Event Details

Event Tornado
-- Scale EF2
-- Length 9.4 Miles
-- Width 600 Yards
State WYOMING
County/Area CROOK
WFO UNR
Report Source NWS Storm Survey
NCDC Data Source CSV
Begin Date 2009-07-13 17:10:00.0 MST-7
Begin Location 6S ALVA
Begin Lat/Lon 44.59/-104.43
End Date 2009-07-13 17:32:00.0 MST-7
End Location 6SSW ALADDIN
End Lat/Lon 44.56/-104.24
Deaths Direct/Indirect 0/0 (fatality details below, when available...)
Injuries Direct/Indirect 2/0
Property Damage 300.00K
Crop Damage
Episode Narrative A supercell thunderstorm developed over northern Campbell County and moved southeastward across Crook County. The storm produced very large hail across western Crook County, which caused significant damage in the New Haven and Hulett areas. The storm also spawned a large tornado over the Bear Lodge Mountains north of Sundance.
Event Narrative A large tornado touched down west of Cook Lake and tracked east-southeastward across the Bear Lodge Mountains, dissipating west of Wyoming Highway 111. The tornado downed about 4000 acres of Ponderosa pine trees, destroyed two metal shop buildings and a large barn at a ranch, and severely damaged a house and mobile home. Two people in the residences received very minor injuries.


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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 2 932.00K 0.00K
RECLUSE CAMPBELL CO. WY 07/13/2009 15:30 MST-7 Hail 1.75 in. 0 0 0.00K 0.00K
ROCKYPOINT CAMPBELL CO. WY 07/13/2009 16:00 MST-7 Hail 1.25 in. 0 0 0.00K 0.00K
NEW HAVEN CROOK CO. WY 07/13/2009 16:30 MST-7 Hail 1.75 in. 0 0 0.00K 0.00K
NEW HAVEN CROOK CO. WY 07/13/2009 16:35 MST-7 Hail 4.25 in. 0 0 200.00K 0.00K
HULETT CROOK CO. WY 07/13/2009 16:45 MST-7 Hail 4.25 in. 0 0 25.00K 0.00K
HULETT CROOK CO. WY 07/13/2009 17:00 MST-7 Hail 2.75 in. 0 0 400.00K 0.00K
ALVA CROOK CO. WY 07/13/2009 17:10 MST-7 Tornado EF2 0 2 300.00K 0.00K
HULETT CROOK CO. WY 07/13/2009 17:20 MST-7 Hail 2.75 in. 0 0 7.00K 0.00K
COLONY CROOK CO. WY 07/13/2009 17:55 MST-7 Hail 1.00 in. 0 0 0.00K 0.00K
Totals: 0 2 932.00K 0.00K