ゾンダ
Dry high temperature fall wind to blow down when ゾンダ (Spanish: Zonda) is from the Andes to Argentina of the east side. One kind of the foehn style.
After wind to come from dry South Pole oceanic air mass coolly producing a cloud by the Andes 山脈越 えの of the 6,000m grade, and taking heat away, and bringing rain on the Chile side, and having dried, I warm while blowing down and blow the Argentina side. The wind velocity around 12m/s (25mph).
It is la rioja state, the northern part of State of San Juan Mendoza state in middle western district of Argentina that ゾンダ is remarkable. Because these areas hit the local lee most of high altitudes in the Andes, is strong; come to foehn-like. On the other hand, wind weakens more in アルティプラーノ in the north.
When a cold front moves to the northeast direction, ゾンダ occurs. Though it is cold in the outskirts area with a little influence of highlands and ゾンダ, I am hit by a high temperature in the low land affected by ゾンダ. I bring the special strong wind called "ビエント swing" (viento blanco) in the Andes. The ビエント swing is an intense strong wind, and the wind velocity exceeds 50m/s. Of the glacier where cause the heavy snow in the highlands, and there is few it in this area we have new snow and are piled up every year. In addition, it becomes the Snow eater (I eat snow) to dissolve snow in for a high temperature at the lee, but the glacier is this weather that local, is important that is a dry zone because it is in a water source.
According to the record from 1967 through 1976, Japan and China of the afternoon begin to have ゾンダ and they take the pattern to continue for - around 12 hours for one hour and continue blowing intermittently for 2-3 days. It is thought that southeastern wind called "ビエント through" (viento sur) blows in time to stop it and denies ゾンダ. 90% of ゾンダ occurs from May to November.
Originally the name zonda comes from "Zond (sondo)" meaning wet north wind warmly to play prior to pampero (pampero) in pampas.
Footnote
- A prefecture of the State of ゾンダ prefecture - San Juan.
- The sportscar which was named for パガーニ ゾンダ - ゾンダ.
- A foehen style to blow on a Chilean side in contradiction to プエルチェ - ゾンダ.
Source
- (Spanish) MeteoBlogs — Viento Zonda. National Meteorological Service, Air Regions Command, Argentine Air Force.
- "The land where blows el Zonda". Article.
This article is taken from the Japanese Wikipedia ゾンダ
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