[texbirds] Monitoring spring bird migration using NEXRAD weather radar
- From: "John Arvin" <jarvin@xxxxxxxx>
- To: "New Texbirds" <texbirds@xxxxxxxxxxxxx>, "TX-Ornithology" <TX-ORNITHOLOGY@xxxxxxxxxxxxxxx>, "LABIRD-L" <LABIRD-L@xxxxxxxxxxxxxxxx>
- Date: Wed, 10 Apr 2013 10:10:48 -0500
Yesterday's trans-Gulf flight was remarkable in its early arrival and it
was over for all practical purposes by early afternoon, all the migrants
in that flight having made landfall and most no doubt continuing well
inland. Today is similar in some respects with upper level winds above 50
kts. at Brownsville and Corpus Christi and above 40 kts. at Lake Charles.
The reading at New Orleans is 5 kts. which makes me suspect some sort of
error. So it would seem that a potential collision-course between an early
arriving flight and a southeastward pushing cold front might be in the
offing for today. The front passed through the Austin area before dawn this
morning and there are gusty N winds and light rain behind it. Unfortunately
Austin seems to be at the southern extremity of the rain and it seems
doubtful that rain will extend to the coast, except perhaps the upper coast
and Louisiana. Regardless this front is moving more from the west than from
the north so it will be quite some time before it impacts the eastern part
of the northern Gulf coast. Given its location and movement I expect it
will impact the Corpus Christi area first followed by Brownsville a few
hours later with the upper Texas and Louisiana coasts a good deal later in
the day and perhaps as late as sometime tonight. Over all it should be a
very interesting day.
Updates later.
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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