Looking at the loop from last night, the reflectivities just about totally petered out at 6 AM, but then picked up again. That would seem to favor diurnal migration rather than a continuation of that from overnight.
Peter > On Aug 14, 2019, at 10:05 AM, David Nicosia <daven102...@gmail.com> wrote: > > The radar imagery from NWS Binghamton continues to show what looks to be bird > migration well after sunrise. As of this writing it is 1000 am and we are > still picking up biological targets. Since the lower atmosphere's thermals > haven't begun, it is likely these targets are not insects. Could this be > shorebird migration continuing past sunrise? Or maybe songbirds just > continuing from the night? I wish I didn't have to work today... > > -- > NYSbirds-L List Info: > Welcome and Basics <http://www.northeastbirding.com/NYSbirdsWELCOME.htm> > Rules and Information <http://www.northeastbirding.com/NYSbirdsRULES.htm> > Subscribe, Configuration and Leave > <http://www.northeastbirding.com/NYSbirdsSubscribeConfigurationLeave.htm> > Archives: > The Mail Archive > <http://email@example.com/maillist.html> > Surfbirds <http://www.surfbirds.com/birdingmail/Group/NYSBirds-L> > ABA <http://birding.aba.org/maillist/NY01> > Please submit your observations to eBird <http://ebird.org/content/ebird/>! > -- -- NYSbirds-L List Info: http://www.NortheastBirding.com/NYSbirdsWELCOME.htm http://www.NortheastBirding.com/NYSbirdsRULES.htm http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm ARCHIVES: 1) http://firstname.lastname@example.org/maillist.html 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L 3) http://birding.aba.org/maillist/NY01 Please submit your observations to eBird: http://ebird.org/content/ebird/ --