✔ 最佳答案
This year Asia, Europe's and North America all receive the cold current and the snowstorm attacks, Chinese more than 10 provinces and cities recently rarely continued to appear the low temperature freezing and the snow disaster, created rarely is greatly chaotic. Some Chinese experts pointed out that, this with intensely pulls Nina (La Nina) the phenomenon to concern. Chinese country climate center Assistant Director Li Weiching pointed out that, now places such as winter Asia and North America have all received the cold current and the snowstorm attack, the American mid-west and northeastern part appear the storm snow severely cold weather one after another, west Asia, the central Asia and the South Asia country suffer the cold current attack one after another, Iraq capital Baghdad appeared for 100 years has not seen snowing; The Afghan some area snows unexpectedly amount to 200 centimeters. Pulls the Nina phenomenon is refers to east equator Pacific Ocean and middle sea water wide range continues exceptionally coldly, (El Nino) the phenomenon is opposite with El Nino, can lead the refrigeration winter mild summer. The World Meteorological Organization last year report pointed out that, pulls the Nina phenomenon to form and to continue to this year summer before. Li Weiching pointed out that, this year pulls the Nina phenomenon to belong to the medium above intensity, this is causes the Northern Hemisphere extreme cold weather the reason. The statistical analysis pointed out that, strong when pulls the Nina phenomenon to appear, the cold air activity can more frequent, is easy to create north part of China and eastern part the majority of local temperature is somewhat low.
2008-02-19 22:36:16 補充:
第一個- -v