It was evident right from the VT/MA border that the cells were wanting to take on organized structures. As usual northerly flow bears watching when there is any kind of CAPE.
The Quabbin spillway is still flowing, but maybe only for a few more days. Hence the light blue dot in the streamflow conditions map above, surrounded by dark red and red dots as local streams are way, way down.
Was driving S earlier on 128 through Belmont, Lexington into Waltham and down to the Pike in a deluge. Left 2.5 lanes had to merge all the way right at one point with about a foot of water on the road. Every underpass had cars and/or motorcycles stopped underneath.