[texbirds] observation of bird migration using weather forecasting technology, 4/9
- From: "John Arvin" <jarvin@xxxxxxxx>
- To: "Texbirds" <texbirds@xxxxxxxxxxxxx>, "LABIRD-L" <LABIRD-L@xxxxxxxxxxxxxxxx>
- Date: Wed, 9 Apr 2014 13:24:27 -0500
The western Gulf region is divided almost exactly in half today in terms of
upper air flow. The west has S winds at 20 knots and the east has N winds
above 30 knots. The visible migration occurring today is a good circus-Gulf
flow N up the Texas coast, bending to the NE to follow the bend in the
coastline and petering out east of Houston. There was no visible migration
occurring east of the Sabine River but that does not mean that it is not
occurring. It would be in the form of trans-Gulf migrants coming in low to
the water to avoid a bit of headwind.
John C. Arvin
Research Associate
Gulf Coast Bird Observatory
103 West Hwy 332
Lake Jackson, TX 77566
jarvin@xxxxxxxx
www.gcbo.org
Austin, Texas
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