Flash Flood — Yakima, Washington

2010-07-31 · near Crewport, Yakima, Washington

Event narrative

Thunderstorm produced heavy rainfall, flash flooding, and pea size hail. Hail damaged the apple crop. Water runoff from field flowed over an irrigation canal and onto adjacent field. Drains and culverts became blocked resulting in ditches filling up, overflowing, and eroding the draing ditches. Water flow was up to 3 feet deep in spots and flowed over the paved roads. Rainfall of 1.25 inches was reported in 20 minutes.

Wider weather episode

An upper level low brought unstable conditions and thunderstorms with heavy rainfall, hail, and flash flooding during the afternoon.

View location on OpenStreetMap → (46.4203, -120.1759)

Source: NOAA Storm Events Database, event_id 239351. Narrative written by the NWS forecast office that issued the report.