Winter Weather in East Puget Sound Lowlands, Washington

Winter weather was experienced during the first few days of December. Local observations averaged around 3-5 inches on December 1 (highest report of 7 inches), with less amounts the following days, averaging less than 1 inch on Dec 2 and 1-2 inches on Dec 3.

A period of wintry weather was noted across the Western Washington lowlands at the beginning of December, earlier than what is typically experienced. Snow began at the end of November with several rounds continuing through the first few days of September. While accumulations did not meet winter storm criteria Dec 1-2, widespread heavy snow accumulations were experienced on Dec 3. These conditions were largely due to Fraser outflow in the low levels. with deep upper troughing in the upper levels.