What is Foehn in geography?
What is Foehn in geography?
Foehn, German Föhn, warm and dry, gusty wind that periodically descends the leeward slopes of nearly all mountains and mountain ranges. The name was first applied to a wind of this kind that occurs in the Alps, where the phenomenon was first studied.
What is the Foehn in Switzerland?
A föhn, also spelled foehn (UK: /fɜːn/, US: /feɪn/), is a type of dry, warm, down-slope wind that occurs in the lee (downwind side) of a mountain range. Switzerland, southern Germany and Austria have a warmer climate due to the Föhn, as moist winds off the Mediterranean Sea blow over the Alps.
What does föhn mean in English?
warm dry wind
föhn in British English or foehn (fɜːn , German føːn) noun. a warm dry wind blowing down the northern slopes of the Alps.
How are foehn winds formed?
Foehn winds can arise as a result of humid airflow over a mountain range. On the leeward side, the dried air sinks dry abdiabatically (temperature increase around 1°C/100m) again and this causes the typical warm and dry downslope foehn winds.
How do foehn winds affect people?
The effect of foehn on mental well-being is the subject of folk law in Alpine regions: the phenomenon has been linked to depression, suicide, madness, headaches, sleeplessness and crime waves.
What are Chinook and Foehn winds?
The wind off of the Rocky Mountains in North America is a foehn wind that is called a Chinook wind. The wind is a warm, dry wind that blows down the eastern slope of most mountains. Foehn winds are formed from warmer and drier air that flows from aloft or above. This wind has the same force of some hurricane winds.
Is Bora a wind?
Bora, originally defined as a very strong cold wind that blows from the northeast onto the Adriatic region of Italy, Slovenia, and Croatia.
What is Foehn and Chinook Winds?
What is the fern effect?
What is the foehn effect? In simple terms, this is a change from wet and cold conditions one side of a mountain, to warmer and drier conditions on the other (leeward) side.
What does Hamsin mean?
Khamsin, chamsin or hamsin (Arabic: خمسين khamsīn, derived from the Arabic word for “fifty”), more commonly known in Egypt as khamaseen (Egyptian Arabic: خماسين khamasīn, IPA: [xæmæˈsiːn]), is a dry, hot, sandy local wind affecting Egypt and the Levant; similar winds, blowing in other parts of North Africa, the …
What is Foehn wind called in South Africa?
Berg wind
Berg wind (from Afrikaans berg “mountain” + wind “wind”, i.e. a mountain wind) is the South African name for a katabatic wind: a hot dry wind blowing down the Great Escarpment from the high central plateau to the coast.
Why are foehn winds dangerous?
Apart from bringing warmer and drier weather, Foehn winds can cause serious natural disasters. They bring droughts, dry up plants and farmlands, and exacerbate forest fires. They also melt snow, causing avalanche and floods.
Where do foehn winds occur?
A föhn or foehn (UK: /fɜːn/, US: /feɪn/) is a type of dry, warm, down-slope wind that occurs in the lee (downwind side) of a mountain range. Föhn can be initiated when deep low-pressure systems move into Europe, drawing moist Mediterranean air over the Alps .
What are foehn winds?
Foehn winds are experiences in the Alps. Foehn wind blowing over Munich from the Bavarian Alps . A foehn wind is a type of wind that occurs on the leeward or downwind side of a mountain and is characterized by dryness, down-slope direction, and warmness.