Weatherman clarify Beijing winter said the temperature will rise again

Recently, the city has been in the media "was winter," chief forecaster in meteorological observatory — clarification

5 days before the next month in late autumn bitter love Jing

17 this month been substantial cooling, "winter capital" became a hot topic.

Have the capital for the newspaper coverage of winter, the Sun Jiwei meteorological chief forecaster — pine yesterday to clarify "temperature is up to now has not winter."

Sun Jiwei pine stressed capital early in the beginning of November (November 5 days ago) chance of winter.

Beijing wearing winter boots 4 days isn't enough

From the 25th to the 28th, the city, with an average temperature of continuous 4 days is below 10 ° c.

Accordingly, the "Beijing has officially winter" message, this week has seen the media ever since.

Municipal meteorological observatory chief forecaster Sun Jiwei song yesterday told the reporter, the morning of October 24, the day the average temperature is 10 ° c above, but 25-28, the average temperature is 10 ° c below.

Under "for five consecutive days in the average temperature is 10 ° c, the following" winter standards also need to watch today's average temperature is how can you judge.

According to the forecast, today's average temperature is likely to more than 10 degrees centigrade.

Therefore the capital has not officially winter, there is one step away from the winter.

Sun Jiwei song that even today the average temperature is below 10 ° c, still is not evidence of the "winter".

"Because through November 5 days ago, the weather situation is warmer, the temperature in the rebound. "He said.

The capital is the standard a misunderstanding in this winter

Why is this week, the city has been in the media "is winter?"

"Not many rumours.

"Morning sun Jiwei pine to clear" Reporter "winter two major errors in judgment.

First, "for five consecutive days in the average temperature is 10 ° c, the following" winter standards while it is true, but it is not the only criterion.

This standard is not so "rigid", its meaning key refers to temperature stability in below for at least 5 days and will not recover.

Sun Jiwei pine cited an extreme example, a September suddenly strong cold air strikes, causing the air temperature in 5 days below, but the temperature has risen to 18 ° c, subsequently has been very warm, "this is not a winter".

Second, the "day of average temperature" is not at the maximum temperature and minimum temperature of simple sum divided by two, but need to make four times a day, a day in the 2, 8, 14, 20, and then averaged the average temperature is reached.

This error causes the media as the "winter" an error occurred.

Time quite normal not to be late winter

Sun Jiwei Sung, estimated in early November in Beijing in the early winter of possibility to smaller, that is, 5 days ago in Beijing also difficult winter.

This is normal, not a "late winter."

This reporter has learned that, prior to the 1990s, Beijing city and the plain of winter time on October 26 (approximate), the later with global warming, winter was postponed to the beginning of November.

Experts said that last year Beijing plain area winter is 31 October.

Therefore, November 5, no winter, also cannot assert a "winter" arriving late.

■ News extension

This winter the temperatures near-polar Cold all year round

Journalists from the professional meteorological observatory in Beijing was informed, from the current weather forecast, the temperature in winter and spring in Beijing is close to all the year round.

Weather-related experts said the October date, Beijing's precipitation than in previous years on the high temperatures and almost all the year round.

Since yesterday, the temperatures start to rise again. But in November 2 (approximate) will have a cold air coming in, but this time the cold air regardless of strength or time, weaker than the same period last year, the time is short.

Currently, municipal, Treasury and meteorological sector consultation system has normalizing, in case of extreme weather will increase consultation times.

No accumulation of snow-melting agent-Greenland

Do not use this winter, the snow-melting agent, will gather in cleaning, use of the Lake and river water, irrigation, and clean the surface.

Reporter yesterday from 2010 winter heating and snow shovel ice protection work Conference, in addition to parks, green space and green belt, Tiananmen Square, the organs of the enterprises and institutions with hospital and residential area has become a "restricted area" snow-melting agent.

According to the municipal city officials, rongwei does not use the snow-melting agent, will gather in cleaning, use of lakes and rivers to Beijing water storage, green irrigation and road surface cleaning.