Weather in beijing changes fast these days

The city starting from October 6 dramatic turning point in the night, more rain and temperatures fell. According to meteorological observations, the city following on the 6th evening rain, the city's rainfall again on the 8th. 3-5 mm of rainfall in most areas, the highest daytime temperature in 8 to 20 ° C below. on the 8th of which the most cool and the observatory southeast of the maximum temperature 15.9 ° C, on the 4th of 31 ° C with a tremendous contrast.
Moreover visibility is not very good in the city in recent days.
Especially the southeastern region after the morning fog often overshadowed by the best of Hebei Province, central and southern areas of fog. relatively long duration, many of which resulted in Shijiazhuang, Beijing and Tianjin, a number of other highway road closures Jingshen, Traffic on the road to the region a greater impact.

Local experts analyzed that this rainfall after two weak northerly winds, and soon to southerly winds. This will enable the city and the low altitude areas in central and southern Hebei has not reduced soon. Instead southerly wind blowing in the upper reaches of the water vapor will be blown over. In addition, stable in the atmosphere above the recent low, the evaporation of surface water vapor in the lower atmosphere again stranded. These two factors have resulted in these areas relatively near surface air humidity, the result of foggy weather shield enclosures.
According to a recent analysis of the meteorological data, in the east Siberian region in a surge of cold air is, on the 12th is expected to begin affecting the city, the sky was cloudy and gradually increased, there will be light rain at night on the 13th to come. 3,4-level northerly winds blowing in the rain under the weather will soon turn, and the visibility improved. on the 14th will be a good day weather temperature, the maximum temperature up to 25 ℃.It is expected that good things never last, on the 15th of the sky on the 16th will be a rapid increase in cloud cover, temperatures dropped. visibility may have again deteriorated.
Li Wen / (senior engineer of the Beijing Municipal Meteorological Observatory professional)