2007年全球重大天气气候事件概述

Global Significant Climate Events in 2007

2007年全球气候明显偏暖,是有记录以来的第七个最暖年。2007年8月,一次新的拉尼娜事件开始形成。年初,强寒潮和暴风雪袭击中国东北地区、日本、美国和加拿大。夏季,东亚、南亚、欧洲中南部和美国等地均遭遇不同程度的高温热浪天气。年内,中国南部和美国东南部出现严重干旱,南亚地区出现洪涝,亚洲和南美洲多国暴雨频繁。2007年,西北太平洋热带风暴和台风活动频次虽然接近常年,但具有强度强、影响范围广、灾害重的特点;东太平洋热带风暴活动次数较常年同期偏少。2007年,大西洋飓风期的热带风暴活动次数接近历史同期水平。

Global dimate was obviously warm in 2007, and is the seventh warmest year on record. A La Nina event came into being since August 2007. In the beginning of 2007, strong cold waves and snowstorms raided Northeast China, Japan, USA and Canada, respectively. During boreal summer, heat wave swept East Asia, South Asia, central - southern Europe and USA. In the year, severe drought occurred in southern China and southeastern USA; floods occurred in South Asia, and rainstorm attacked many countries in Asia and South America frequently. In 2007, activity of typhoon was near normal in the northwestern Pacific, but stronger and more destructive than normal. Meanwhile, activity of hurricane was less than normal in the eastern Pacific and also near normal in the Atlantic Ocean.