All, I wonder what is moving and how common this is. I will have to look at some archive data but I bet this is a normal occurrence. I wonder what types of birds: swallows, swifts, nighthawks, icterids, waterfowl, cranes....???
see https://radar.weather.gov/ridge/Conus/full_lite_loop.php Dave Nicosia -- Cayugabirds-L List Info: http://www.NortheastBirding.com/CayugabirdsWELCOME http://www.NortheastBirding.com/CayugabirdsRULES http://www.NortheastBirding.com/CayugabirdsSubscribeConfigurationLeave.htm ARCHIVES: 1) http://firstname.lastname@example.org/maillist.html 2) http://www.surfbirds.com/birdingmail/Group/Cayugabirds 3) http://birdingonthe.net/mailinglists/CAYU.html Please submit your observations to eBird: http://ebird.org/content/ebird/ --