Flood in Pacific County, Washington

Flood November 17, 2015 – November 18, 2015 · Pacific County, Washington

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

What the National Weather Service wrote

Five day rainfall totals ending in the morning of Nov 17th in the Willapa Hills were 8 to 12 inches. This rain resulted in the Willapa River to exceed flood stage around 11 pm on the 17th. The River crested at 21.12 feet which is 1.1 feet above flood stage.

The wider storm

A very moist frontal system produced heavy rain across the region resulting in flooding. Rain rates of 0.3 to 0.5 inch per hour was observed for several hours at many locations. The flooding was a combination of urban and small stream flooding and river flooding. The coastal rivers were already running high from a moist front that moved through a couple of days prior, and the additional rain was enough to push several of them above flood stage.

Began near Willapa (46.6901, -123.6821).

Source: NOAA Storm Events Database, event 607275. Narratives are written by the National Weather Service forecast office that issued the report.

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