This is a 0.5 Base Reflectivity loop from the NWS Binghamton, NY WSR-88D. The loop is from 3:23 PM EDT to 4:00 PM EDT.

Note: There is an overlay feature on this loop. Click on the "Show Cities" to overlay cities on the loop. Also at 1944Z notice the storm rotation, bright green next to red just east of Sheldrake.