The eruption that swept out of CT through outer/metro west of Boston during the afternoon, yesterday, produced some of the more frequent lightning I recall in this area for many, many years. There were overlapping flickers, with thunder cacophony that seemed to fuse into a one continuous rumble at times ... minutes in length. Really something. As the storm was winding down, the back hanging anvil was raining positive bombs, too. Some of them were once per 15 sec intervals. These were not the single loud cloud echo away variety - there were several expressions per... It's like the sound created a picture of a lightning bolt that must have been "blinking" for extended time.