I’m not sure I’m understanding all of this background on the derecho, but I think it explains why our friends the Elkins, who during the storm pulled their car over to the side of the road (they had just left our house after an evening of dim sum), tell us that “the car seemed pretty close to levitating.”
Les UDs remain at UD’s sister’s house (she’s the Morrissey fanatic, and the producer of my Udemy lectures) in upper Montgomery County, where ceiling fans and refrigerators still hum.