28 Apr 2014 PNW Migration Update

Friday-Saturday: moderate movement through the area.

Saturday-Sunday: movement, if any, was obscured by clouds.  Only the strong and nimble picked up yardage.

Last night: The tail end of the unstable system is passing through.  Isolated shower cells and a westerly wind kept migration to moderate levels.  There was definitely  a push north and there should be decent turnover at your local patch.  Hammond’s Flycatchers are moving through in good numbers.  Yellow-rumped Warblers are dripping from the trees.  Really, i can’t remember seeing so many.  Sure they are usually abundant, but this just seems over the top.  Vangaurd Bullock’s Orioles are in the area.  Lets take a look at the PNW loops from last night.

Pacific Northwest Radar: (Click on the links below to open the .gif files in a new window)

28 Apr Base Reflectivity - Portland (KRTX)

28 Apr Base Reflectivity – Gray’s Harbor (KLGX)

28 Apr  Base Reflectivity - Seattle (KATX)

Here is the grand view of the winds aloft from Earth:

28 Apr  Earth

Here is Paul’s archived National Radar Composite from yesterday. Seriously, look at the wind map, and then the radar.  Notice how New England migration is shut down in the face of strong north winds.

And here are the weather maps (click on any image to bring up a full gallery view)

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