[texbirds] observation of bird migration using weather forecasting technology, 5/14
- From: "John Arvin" <jarvin@xxxxxxxx>
- To: "Texbirds" <texbirds@xxxxxxxxxxxxx>, "LABIRD-L" <LABIRD-L@xxxxxxxxxxxxxxxx>
- Date: Wed, 14 May 2014 17:13:51 -0500
The wind map shows that the Gulf of Mexico is rather evenly split at the
mouths of the Mississippi between strong N winds that extend W of the river
straight down to the west coast of the Yucatan Peninsula and SE winds from
S Florida and W Cuba to SE Louisiana and points E. The contrary winds in
the western Gulf are blocking migrants which is backed up by bird less
NEXRAD displays. The SE winds in the E Gulf may be steering birds to the
Mississippi and Alabama coasts though those winds are not strong. If they
are then species like Gray Kingbird and Black-whiskered Vireo might be
showing up in SE Louisiana. At some point the blocking winds in the W Gulf
will abate and trans-Gulf migrants will again arrive on the TX and LA
coasts. Unless something dramatic occurs this will be my last post of the
season. Hasta la proxima.
jca
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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