Flash Flood — Pend Oreille, Washington

2011-09-27 · near Wolfred, Pend Oreille, Washington

Event narrative

Heavy rain washed out a section of a dirt road approximately three-quarters of a mile north of Newport on the west side of the Pend Oreille River. Recent road work by the planned utility development installing a fiber-optic cable along this section of the roadway likely made the hillside more susceptible to the washout. Property damage was estimated.

Wider weather episode

Post frontal showers developed in the wake of a cold front late in the afternoon across southern Pend Oreille County. A shallow layer of instability off the surface and ample low level moisture resulted in quick developing convective cells that produced heavy rainfall and pea sized hail.

View location on OpenStreetMap → (48.2243, -117.0827)

Source: NOAA Storm Events Database, event_id 343728. Narrative written by the NWS forecast office that issued the report.