Strong Wind — Lower Columbia Basin, Washington

2012-06-23 · Lower Columbia Basin, Washington

Wider weather episode

An upper level low pressure area off the Oregon coast, combined with daytime heating and a moist southerly flow to produce a line of locally severe thunderstorms across Walla Walla and Columbia counties. Strong winds associated with the thunderstorms blew an eastbound motorcyclist into oncoming traffic on Highway 12, six miles west northwest of Touchet near the intersection of Byrnes Road and Nine Mile Road. The motorcyclist was killed.

Source: NOAA Storm Events Database, event_id 379745. Narrative written by the NWS forecast office that issued the report.