The Chinook is a f�hn wind, a rain shadow wind which results from the subsequent adiabatic warming of air which has dropped most of its moisture on windward slopes ( orographic lift ).
2.
The lower Shields Valley ( which contains Ringling and environs ) and nearby Big Timber, Montana has one of the warmest average January temperatures in the state of Montana, due to chinook winds ( adiabatic warming ).
3.
It has also been suggested that is the subsidence over the cool SSTs of the eastern Pacific and extensive stratocumulus decks provide a radiative heat sink to the tropical atmosphere that can balance the adiabatic warming due to the monsoonal descent.
4.
This report contradicts the common idea that the Brookings Effect is a Chinook wind, as moisture does not appear to play a role in the moist adiabatic cooling of air on the windward side of a mountain range, followed by dry adiabatic warming on the lee side.
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