Flood in Walla Walla County, Washington

Flood June 13, 2022 – June 14, 2022 · Walla Walla County, Washington

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Emergency Manager for Walla Walla county relayed several reports of flooding within the area. Near Lanette Cir and Old Milton Hwy reports indicated that there was water over the roadway and that a property had flooding up to the house. Near Powerline road further east, reports of water over the roadways was also reported.

The wider storm

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.

Began near Langdon (46.0195, -118.3147).

Source: NOAA Storm Events Database, event 1043216. Narratives are written by the National Weather Service forecast office that issued the report.

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