Dimmerfoehn
From Glossary of Meteorology
dimmerfoehn
A form of foehn in which humid air extends across the mountain ridge causing precipitation and poor visibility unusually far to the leeside.
Streiff-Becker, R., 1947: Der Dimmerföhn. Vierteljahrsschr. Naturf. Ges. Zürich, Jahrg. 92, 195-198.
edited 12 November 2015