[10][11] The storm underwent bombogenesis, rapidly dropping its central pressure[12] to a record-tying level of 942 millibars (27.8 inHg).

The Storm Prediction Center (SPC) issued a rare high risk of excessive rainfall in parts of Northern California, warning of "life-threatening flooding".

[6] In Lynnwood, Washington, a woman in her 50s was killed by a large tree that fell onto a homeless encampment.

[15] In the Bridle Trails neighborhood of Bellevue, a woman was killed when a tree hit a home.

[25] An Amtrak Cascades train struck a fallen tree in Silvana, between Stanwood and Marysville, at around 7:50 p.m.

[26][27] Amtrak cancelled several Empire Builder and Coast Starlight trips through the region in anticipation of the storm.

[28] Link light rail service in the Seattle area was also disrupted by power outages; the northernmost section of the 1 Line was closed for several hours on November 19 and replaced by bus shuttles between Northgate and Lynnwood City Center stations.