Frames are every 1/2 hour for reflectivity and velocity, and every hour for the regional composite. Click on the thumbnail to view the full-sized animation.
The radar was really interesting last night, as you can see birds coming over to New Jersey from Pennsylvania in two distinct waves. It looked like migration was even heavier toward the Delaware coast, but the southern half of Jersey should also have seen a major influx of late-fall birds today.
P.S. Come check out my migration forecast for the Mid-Atlantic on Birdcapemay.org