[texbirds] observation of bird migration using weather forecasting technology, 5/3
- From: "John Arvin" <jarvin@xxxxxxxx>
- To: "Texbirds" <texbirds@xxxxxxxxxxxxx>, "LABIRD-L" <LABIRD-L@xxxxxxxxxxxxxxxx>
- Date: Sat, 3 May 2014 12:47:01 -0500
The wind map, whose usefulness as a migration-watching tool has still yet
to be firmly established in my opinion, shows winds blowing from the SW to
the NE would suggest that circum-Gulf migrants from the south Texas region
may be steered toward southern LA (Western Tanagers, Clay-colored Sparrows,
Lazuli Buntings, etc.). East of that air flow the winds are still N-S. At
noon the bird movement, while not heavy, was clearly in line with the wind
map with N movement parallel to the coastline, clearly rounding the
curvature of the coast N and then NE and continuing to the eastern NEXRAD
stations. It is nice when the winds and the radar are in agreement.
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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