Mountain meteorology

a warm, dry, downslope wind descending the lee side of the Alps as a result of synoptic-scale, cross-barrier flow over the mountain range

average weather (climate) for the regions above the tree line

leeward side of a mountain range

biome that does not contain trees because it is at high elevation, with an associated harsh climate

natural atmospheric phenomenon

air mass forced upwards as it moves over rising terrain

type of wind

thumb|right Halny is a foehn wind that blows in southern Poland and in Slovakia in the Tatra Mountains of the Carpathians. The most turbulent halny blows in Podhale region of southern Poland, coming from the south, down the slopes of the Tatra Mountains; in Slovakia, on the other side of the mountains, it comes from the north.

wind greatly accelerated by the Venturi effect

a cloud form created by atmospheric internal waves.

accumulation of cold air in a topographic depression