OOPS. Couldn't get a keyboard on my cell phone, so now on my desktop to try again:
I assume you are right, wntrhwk, you'd know. The date of my experience described above was about 1972, with my bus parked on Yarmouth street. I see from Google Earth that Yarmouth is a really different place now. Sorry for the 100 mph mistake. Must have been 135 like you say. (I was wondering today why more houses didn't blow away.)
I worked for NOAA too! (Though very briefly.) I soldered together a board on contract, that rotated electronically through 60 data channels. It was used with a bunch of sensors in a glider (or drone?) that was flown through that little cloud that sometimes sits stationary above Green Mountain. It was radioing back data on how clouds form and dissipate, (since one end of that cloud is always forming, and the other side is always dissipating.