Flood — Okanogan, Washington

2021-11-17 · near Ellisford, Okanogan, Washington

Event narrative

There was a minor flood on the Okanogan River with a majority of the flood impacts found north of Tonasket. In this area, the flood plain is wide and flood water is able to spread. This includes a lot of pasture land or swampy areas near the river. In Ellisforde, there was a farm that had flooding on the property, which included pasture lands and outbuildings. The Okanogan River gage near Tonasket, at minor flood stage, crested at 15.48' at 12:00 PST on November 17th.

Wider weather episode

Excessive rain in the northern Cascade Mountains and southern British Columbia led to rising rivers in northern Washington in mid-November. The Okanogan and Similkameen Rivers reached minor flood stage. Most impacts of the flooding rivers were on flood plain and pasture lands.

View location on OpenStreetMap → (48.7608, -119.4204)

Source: NOAA Storm Events Database, event_id 992060. Narrative written by the NWS forecast office that issued the report.