As a high pressure ridge builds in the gulf of Alaska north winds are found across the region. That put a damper on an otherwise decent night for migration.
We saw a very light movement last night. but since i last checked in a number of migrants have made their way into the Pacific Flyway pipeline: Yellow Warbler, Common Yellowthroat, and Brewer’s Sparrow.
HERE is a great article by Kenn Kaufman on obligate migrants and facultative migrants that may be of interest to folks. It is focused on his patch back in Ohio but it pertains to all migrants, even those that use the Pacific Flyway.