Flood in Tillamook County, Oregon
Flood December 5, 2023 – December 6, 2023 · Tillamook County, Oregon
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
The Nehalem River near Foss saw minor flooding, cresting at 15.91 feet at 8 pm on December 5th. Flood stage is 15.0 feet.
The wider storm
A strong atmospheric river brought heavy rains on December 5th which pushed many streams and rivers to flood stage along the coast, with minor flooding on many smaller streams and creeks across northwest Oregon. After moderate rainfall December 1st through the 4th, a very slow moving front dumped more heavy rain to the northern Oregon coast and coast range mountains. Area of the Coast Range received 12 to 16 inches of rain over the 5 day period. Much of Tillamook County saw flooding impacts, including the Wilson and Trask Rivers, and the Nehalem River near Foss. Other rivers that also reached minor flood stage included the Luckiamute near Suver and the Siletz River at Siletz.
Began near Mohler (45.6895, -123.8598).
Source: NOAA Storm Events Database, event 1160586. Narratives are written by the National Weather Service forecast office that issued the report.
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