Flood — King, Washington

2009-01-07 to 2009-01-10 · near Snoqualmie, King, Washington

Event narrative

The cities of Snoqualmie, Carnation, Duvall and Fall City flooded, some residents had to be rescued, many homes were flooded. The Issaquah creek flooded some residences and businesses. It also eroded part of the riverbank, which caused a guest house to fall into the creek. About 40 King County roads were closed. In Pacific, about 1000 people evacuated their homes due to flooding from releases from the Mud Mountain dam, 100 of those homes were damaged, some with 3 feet of water in them.

Wider weather episode

Rainfall of 8-20 inches in the mountains and 1 to 9 inches in the lowlands occurred from Jan 6th through 8th. Flooding was widespread over much of Western Washington. Record flooding occurred on the Snoqualmie, Tolt, and North Fork Stillaguamish Rivers. Near record flooding occurred on the Snohomish, Newaukum, and Skookumchuck Rivers. Major flooding occurred on 18 rivers and 21 forecast points. Surveys found an estimated 497 residences that were destroyed or suffered major damage, and another 2,340 residences that needed repairs. Over 44,000 people were evacuated as a result of rising or high water as well as landslides.

View location on OpenStreetMap → (47.5402, -121.8048)

Source: NOAA Storm Events Database, event_id 149539. Narrative written by the NWS forecast office that issued the report.