[texbirds] observation of bird migration using weather forecasting technology, 3/25/15
- From: "John Arvin" <jarvin@xxxxxxxx>
- To: "Texbirds" <texbirds@xxxxxxxxxxxxx>, "LABIRD-L" <LABIRD-L@xxxxxxxxxxxxxxxx>
- Date: Wed, 25 Mar 2015 14:08:37 -0500
Upper winds are becoming more favorable for trans-Gulf migration (i.e.
stronger from the S at Brownsville and Corpus Christi and SSW at Lake
Charles and New Orleans). NEXRAD imagery shows numerous flocks of
soaring/gliding birds and coastal movement of probable gulls, terns,
shorebirds, and waders moving coastwise due northward from Brownsville to
Corpus north of which bird returns turn northeastward. No songbird trans-
nor circum-gulf migration is evident at this early afternoon time.
A cold front accompanied by a thin squall line is due to move
southeastward to the coast tomorrow. It will likely have a brief impact on
trans-Gulf migrants mostly on Friday (Texas) and Saturday (Louisiana).
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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