Flood — Okanogan, Washington

2021-11-16 · near Nighthawk, Okanogan, Washington

Event narrative

The Similkameen River, near Nighthawk and Oroville, reached minor flood stage on November 16th. There were post-flood surveys completed that found several properties damaged due to flooding. The flood impacted pasture land, structures, and crops both upstream and downstream of the Similkameen River gage at Nighthawk. The property and crop damage is an estimate due to no official reports of private and public land damage cost. The Similkameen River gage, near Nighthawk, crested at 14.41' on November 16th at 15:00 PST.

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 → (48.9450, -119.6837)

Source: NOAA Storm Events Database, event_id 992105. Narrative written by the NWS forecast office that issued the report.