The nineteenth solar term "Beginning of Winter" this year has just passed. It is still warm summer along the coast of South China. Most areas of Central, Southwest and North China have entered late autumn, while most of the Northeast and Northwest have officially entered winter.

Winter is nothing special. After all, there will be "winter" every year, but the winter of 2020 may be different from previous years. National climate experts predict that the cold air affecting our country will be frequent and strong this winter, and the temperature in most parts of the country will be close to normal. Over the same period to low, especially in the middle of winter. In other words, this year's winter will be a "cold winter" with a lower temperature than previous years. The reason is that it is affected by the "La Niña", which is the phenomenon of continuous abnormally cold water in the equatorial Central and Eastern Pacific. When the sea temperature is lower than the annual average value of 0.5 ℃, it enters the "La Niña" state for 6 More than a month, a "La Nina" event has formed. According to the monitoring of the National Climate Center, starting from August this year, the equatorial Central and Eastern Pacific entered the state of La Nina and continued to develop. It is expected that a "La Nina" event will be formed this winter.

What preparation do we need? There are areas with central heating in the northern area. You must repeatedly check whether the heating official website facilities are normal, whether the water separators, connectors, radiators and other equipment in the home are aging and corroded. If there are any, they must be replaced as soon as possible to prevent "running, leaking," In order to avoid affecting normal heating, there may be some areas where the heating cannot reach the corresponding temperature. You can consider using electric heaters for auxiliary heating.