For gravity wave clouds to form, the atmosphere must be in a relatively stable state. Under calm conditions, the air exhibits vertical motion, where warm (less dense) air rives, and cool (more dense) ...
This messy mix of winter precipitation often impacts the region during late winter and early spring. Meteorologist John Burchfield explains what differentiates them.
Matthew Cappucci is a meteorologist for Capital Weather Gang. He earned a B.A. in atmospheric sciences from Harvard University in 2019, and has contributed to The Washington Post since he was 18.