Flood — Walla Walla, Washington

2022-06-13 to 2022-06-14 · near Kooskooskie, Walla Walla, Washington

Event narrative

Emergency Manager relayed reports of flooding along Mill Creek between Thomas and Kooskooskie, WA. There were reports of water over roadways as well as pictures showing minor flooding on a property adjacent to Mill Creek. The creek and flood waters receded later on the June 14th.

Wider weather episode

A persistent upper trough pushed several shortwave troughs supported by a moderate plume of moisture in the middle of June. Persistent rain showers that develop as a result of each shortwave trough produced enough rainfall for area rivers to swell, with minor flooding being observed along portions of Mill Creek.

View location on OpenStreetMap → (46.0438, -118.1573)

Source: NOAA Storm Events Database, event_id 1043205. Narrative written by the NWS forecast office that issued the report.