Asotin storm history

A Flash Flood closed Highway 129 near where Rattlesnake Creek meets the Grande Ronde River. The road was closed for three hours and then opened up to one lane of traffic.

Large tree branches snapped and fell on camper along with power lines. Lewiston Airport reported at gusts of 49 MPH.

Lightning ignited a house fire on the 2300 block of 19th Street. Fire department quickly extinguished the portion of the roof that ignited.

Flash flooding impacted several roads of Clarkston. Half an inch of rain fell in 15 minutes from 1330LST to 1345LST. Flooding also impacted on State Highway 129 between Asotin and Clarkston, with mud and debris on the roadway.

Several roads were inundated with mud and rocks from flash flooding. Four basement apartments on 14th street were flooding. Another residence on Solar Hills Drive was flooded.

Several trees and power lines down in Clarkston and Clarkston Heights. One incident involved power lines down onto a vehicle.

Asotin County Fire District observed minor flooding at McGuire Gulch where it crosses Asotin Creek Road and said his department received similar reports from the top end of the gulch near where it crosses Peola Road. At the button end of the gulch, Hardin said water entered a sho…

Delayed report via social media. Time and location estimated via radar.

A member of the public reported hail with a diameter of 1 inch from thunderstorms near Clarkston.

A CO-OP observer reported hail with a diameter of 1 inch from passing thunderstorms in Anatone.

A grass fire was reported near Silcott caused by power lines blown down by thunderstorm winds. Time estimated from radar data. The local Utility Company reported 2400 customers without power in the Lewiston and Clarkston area as a result of thunderstorm winds bringing down power …

A member of the public reported large tree branches and power lines down in Clarkston.

Flooding occurred along Dreamz Road as a flood wave passed from a disintegrating ice jam farther upstream. Four feet of water was reported in the yard of a home and a small shed was floated and carried by the flood wave.

A report of lightning causing a house fire in Asotin, WA at 9am on August 7th was received through social media.

A member of the public reported 1.25 inch size hail which caused dents in a car near Anatone, Washington.

The Silcott Island observation platform located on an island in the Snake River clocked sustained winds near 35 mph with gusts between 59 and 72 mph.

Trained spotter estimated thunderstorm winds of 55 to 60 mph in Anatone near the intersection of Highway 129 and Pine Street. Tree limbs branches were down across town. Hail to the size of pennies was also observed. Larger hail likely accompanied the storms prior to moving into A…

Park Ranger reported water out of ditches and over roads. Road damage due to the water.

Hail cracked a windshield at the Boggans Oasis Bar and Grill.

A severe thunderstorm developed in the northeast Blue Mountains and drifted north-northeastward. The thunderstorm produced hail up to the size of quarters before it weakened as it moved off the northern foothills of the Blue Mountains.

A severe thunderstorm moved into Asotin County from northeast Oregon during the late afternoon or early evening hours. The public reported hail stones up to the size of golf balls as the storm moved over Montgomery Ridge.

Strong downburst winds from a thunderstorm knocked out power to 2,000 customers in Clarkston when a tree blew down on a power line. An addition, a portable carport was blown into another power line. Another tree was uprooted knocking down another power line and landing on a shop.

Small trees were downed by strong wind gusts from a thunderstorm. The wind also damaged and blew away yard objects.

Hail accumulated to a depth of several inches.

Six to ten 18 to 24 inch diameter trees were uprooted by winds estimated between 50 to 60 miles per hour along Highway 129 between mile posts 6 and 14.

A severe thunderstorm moving off the Blue Mountains blew over power poles.

0.80" of rain in 10 minutes. Small hail also.

Over 0.75" fell over the Clarkston Valley causing flooding on the Interstate bridge and prompting to be closed for two hours. Several roads were also under about a foot of water.

Rainfall amounts of up to 0.87" fell over the Clarkston Valley, causing several streets to flood and mudslides closing roads.