Avian migration and high pressures – September 28, 2014
Did you enjoy the summer-like weather across the Northeast this weekend? At this time of year if it feels that gorgeous and benefits warm weather lovers it denies the birds a cooperative migratory flight. This radar grab from a few minutes ago shows very light migration across much of New England and the upper Mid-Atlantic thanks to a few weak areas of high pressure giving us this warmth and mostly calm or light southerly winds. One high is centered over Lake Michigan, another between Iowa and Missouri and a third in Virginia, with all three causing the only decent avian movement to be found...
Read MoreFall hawk watching is on!
Labor Day and the beginning of September are often seen as the beginning of the fall season despite the fact the autumnal equinox is not until weeks later (September 23 this year). However, many of our birds agree with this assessment as well. You can find migrant passerines beginning to disperse and even some moving south in July. Shorebirds can be found on the way to wintering quarters in terrific numbers in “fall” migration in the middle of what we think of as a hot summer day. Raptors including many species of hawks, accipiters, falcons, eagles, vultures and more start to...
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