a heavy winter fog containing ice particles, occurring in the valleys of the Sierra Nevada Mountains and other mountain valleys of the W U.S.
Origin of pogonip; from Amerindian (Shoshonean)
See ice fog.
Origin of pogonipShoshone pakenappeh.
- A ice fog which forms in valleys in the Western United States.
From Shoshone paÎ³inappih (“thunder cloud") or a related word.