Flood — Tillamook, Oregon

2015-11-17 to 2015-11-18 · near Tillamook, Tillamook, Oregon

Event narrative

The 5 day rainfall total ending in the morning on November 17th for Lees Camp, OR was 14.60 inches. Flooding from this rain closed several roads including Highway 101, Highway 6, Long Prairie Road, Alderbrook Road, God's Valley Road, and Front Street. Emergency response officials evacuated residents and about 20 trailers at two trailer parks (one near the Wilson River and one near the Tilamook River). Two of the trailers were damaged by the flooding. Flooding of Lake Lytle in Rockaway Beach flooded an apartment. The Wilson River near Tillamook, the Nehalem River near Foss, and the Trask River near Tillamook all exceeded flood stage with the Wilson cresting at 17.71 feet, the Nehalem at 17.71 feet, and the Trask at 18.56 feet. Flooding of the Trask River flooded a garage. Heavy rain also produced 2 minor mud slides.

Wider weather episode

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.

View location on OpenStreetMap → (45.5169, -123.8895)

Source: NOAA Storm Events Database, event_id 607272. Narrative written by the NWS forecast office that issued the report.