High Wind in Lower Columbia, Oregon

High Wind December 11, 2014 · Lower Columbia, Oregon

40 mph

Measured sustained (35 kt)

What the National Weather Service wrote

A Department of Transportation sensor measured sustained winds of 40 mph on Sauvie Island.

The wider storm

A 974 millibar surface low moved northward paralleling the coast around 80 miles offshore, and resulted in one of the strongest wind storms that Northwest Oregon had experienced in past several of years. The strongest winds occurred as high pressure filled in behind the low. In this event, the Willamette Valley was just as susceptible to the strong winds as the coast and coast range were. Most of the injuries, property damage, and power outages occurred in the Willamette Valley, but broken and toppled trees were widespread from the coast to the base of the Cascade foothills.

Source: NOAA Storm Events Database, event 553439. Narratives are written by the National Weather Service forecast office that issued the report.

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