Flash Flood — Okanogan, Washington

2023-07-12 · near Winthrop, Okanogan, Washington

Event narrative

Multiple reports of flash flooding two miles Northwest of Winthrop. Mud and debris on road reports for West Chewuch Road, Highway 20, and Wright Road. Methow Valley Airport recorded 0.9 of an inch fell in an hour and half.

Wider weather episode

A strong system moved through Eastern Washington and brought scattered thunderstorms. The main areas stretched along Highway 2 from Waterville Plateau to Northern Spokane County.

View location on OpenStreetMap → (48.4800, -120.2100)

Source: NOAA Storm Events Database, event_id 1128517. Narrative written by the NWS forecast office that issued the report.