Tuesday, January 25, 2011

No sign of the end of snow from Beijing to break the record for nearly 60 years

 No snow at the capital in 60 years the longest

(Reporter Cai Wenqing) Chinese New Year approaching, Beijing's first snow this winter was still no sign. Meteorological department predicts the end of January the city will have cloudy to mainly clear with no sign of snow to come, it will come to Beijing for nearly 60 years to break the latest record of snow. Meanwhile, Beijing on October 25 last year has been no effective rainfall, has been more than 90 days rarely seen since the same period of 1971.

first snow in 60 years at the latest

since 1951, a complete meteorological records, the Beijing First Snow in the following year under the conditions of 5 times, the latest record for the January 29, 1984 . And the maximum number of days without precipitation is 16 October 1970 to February 15, 1971, up to 114 days.

Municipal Meteorological Observatory Director Qiao Lin introduced to determine a clear Beijing and snow weather criteria: First, individual work stations in the city's 20 stations observed in more than 10 snow; second city of Chaoyang, Haidian, Fengtai, Shijingshan, the southern suburbs of Observatory five meteorological stations were observed snowfall, or 5 stations in the city of more than 3 stations observed snowfall, at least one station snowfall measured ≥ 0.1 mm. One of these two conditions met the first snow days in winter, snow can become at the Beijing area. Expect snow this week, the city still does not appear to Sunday, no snow at Beijing approaching the Hundred Days, Beijing will break the record of 60 years, the latest snow.

no precipitation has been nearly a day

because there has been no effective precipitation, the land is now drought in the suburbs of Beijing. City Meteorological Climate Chief Chen Dagang introduction, Beijing is characterized by less precipitation in winter, and this winter the situation is more serious, more than 90 days straight without effective precipitation. Even in last December 29 of that snow, but also saw Piao, but no precipitation. Affected, the Miyun reservoir levels continue to decline.

According to meteorological statistics, the 1970-1971 period, Beijing has for 114 days without significant precipitation. Followed by 24 October 2008 to February 2, 2009, more than 100 days without significant precipitation. Weather experts said, the present, the meteorological drought conditions this year will exceed 2008 to 2009, second only to 1970-1971.

less snowfall this winter and why

Municipal Meteorological Observatory senior engineer Zhang Mingying introduction, snowfall or rainfall should be sufficient to cope with water vapor conditions. This winter, the Northwest has been in Beijing over the main flow, and the air forces of the strong side, weak forces warm air, moisture conditions, a serious shortage of snow.

from the climate point of view, the winter monsoon Beijing's control by the mainland, there will be a cold air Gesanchaiwu harassment, showing the wind is strong, with each other if they are cold and warm air, it will snow, but recently in Beijing The weather is still windy and sunny drying-based, there is low probability of snowfall.

whether the snow this winter and will not appear? Weather experts said, from the historical record, every year in February the snow is relatively December, January to be the high side, the whole winter without snow in the history of the phenomenon has not yet appeared. Thus, while the late winter snow, but snow does not mean that the future will be less active as long as the warm air, and complement each other, can form a weather system of snow.

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