Storm Events Database

Event Details

Event Thunderstorm Wind
Magnitude 56 kts.
State WYOMING
County/Area FREMONT
WFO RIW
Begin Date 06/13/2009 18:25:00 MST-7
Begin Range 14
Begin Azimuth SSE
Begin Location RIVERTON
Begin Lat/Lon 42.84/-108.27
End Date 06/13/2009 18:25:00 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 Severe thunderstorms developed in a moist, upslope flow airmass east of the Continental Divide. The severity of the storms was aided by a disturbance that moved northeast across the area and a favorable jet stream position.
Event Narrative Thunderstorm winds were estimated at 55 to 65 mph along State Highway 135 near Sand Draw.


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
HILAND NATRONA CO. WY 06/13/2009 14:46 MST-7 Thunderstorm Wind 55 kts. MG 0 0 0.00K 0.00K
(RKS)ROCK SPGS ARPT SWEETWATER CO. WY 06/13/2009 16:34 MST-7 Thunderstorm Wind 50 kts. EG 0 0 0.00K 0.00K
RIVERTON FREMONT CO. WY 06/13/2009 18:25 MST-7 Thunderstorm Wind 56 kts. EG 0 0 0.00K 0.00K
RIVERTON FREMONT CO. WY 06/13/2009 18:25 MST-7 Hail 1.50 in. 0 0 0.00K 0.00K
MILLS NATRONA CO. WY 06/13/2009 19:20 MST-7 Hail 0.88 in. 0 0 0.00K 0.00K
BAR NUNN NATRONA CO. WY 06/13/2009 19:35 MST-7 Hail 1.25 in. 0 0 0.00K 0.00K
CASPER NATRONA CO. WY 06/13/2009 20:30 MST-7 Flash Flood 0 0 2.00K 0.00K
Totals: 0 0 2.00K 0.00K