07 April 2017 – PNW Migration Update

A few rain cells had to be dodged last night but the birds were out in front and then came in behind the largest of them.  I didn’t hear of any new arrivals just more of the ones mentioned yesterday.

The real news is the powerful and well organized spring cyclone that will rake the Oregon and Washington coasts with gusts up to 70 mph. The winds will initially be out of the south and maybe some diurnal migrants will take advantage.  HERE is a great write up about the forecast by Cliff Mass.

When you look at the Wind Power Density map you can see two things jump out — the power of the approaching storm and the stream lines out of the south right up the Central Flyway — and indeed that flyway was very active last night; from Brownsville to Minot.

 

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