Foehn wind Foehn wind A föhn or foehn (, ) is a type of dry, warm, down-slope wind that occurs in the lee (downwind side) of a mountain range. It is a rain shadow wind that results from the subsequent adiabatic warming of air that has dropped most of its moisture on windward slopes ("see" orographic lift). As a consequence of the different adiabatic lapse rates of moist and dry air, the air on the leeward slopes becomes warmer than equivalent elevations on the windward slopes. Föhn winds can raise temperatures by as much as 14 °C (25 °F) in just a
Weather (Apple) Weather (Apple) Weather is a preinstalled mobile app on iPhones. It has been bundled with iOS since iPhone OS 1. The app allows the user to see the weather of a number of selected cities. Locations can be added by pressing the list icon and the plus icon which allows the user to type in the city's name, ZIP Code or postal code or airport code. Locations can be removed by tapping the list icon and swiping left on the location that the user wants to delete. The Weather app in iOS 8 was updated to use The Weather Channel