According to monitoring by the Guangdong Provincial Meteorological Department, as of 10:00 on February 20, some cities and counties in Guangdong have recorded "Back to the South" weather data. Since strong cold air will affect Guangdong from the night of February 21, the Guangdong Provincial Meteorological Department recommends that houses that are prone to moisture should close their doors and windows before then to prevent humid air from affecting the indoor environment.
According to the monitoring of the Guangdong Provincial Meteorological Department, as of 10:00 on February 20, the dew point temperature in Shaoguan, Qingyuan, Guangzhou, Zhuhai, Yangjiang, Jiangmen, Chaoshan and other places has been higher than the ground temperature, indicating that the above-mentioned places have experienced a slight "return to the south".
According to the monitoring of the Guangzhou Meteorological Department, as of 10:00 on February 20, the "Huinantian" measuring stations in Yuexiu and Huadu all recorded dew point temperatures higher than the ground temperature data, indicating that there is a high possibility of "Huinantian" occurring around the measuring stations. Largely, the dew point temperature at the Panyu station is slightly lower than the ground temperature, indicating the possibility of "returning to the south" around the station.
Based on the data from various measuring stations, the Guangdong Provincial Meteorological Department has determined that some indoor environments in the above-mentioned areas, especially places with no sunlight, may experience a slight "return to the south" phenomenon.
According to the monitoring of the Guangdong Provincial Meteorological Department on the morning of February 20, the strong cold air front will gradually affect Guangdong from north to south on the night of the 21st. Affected by it, the warm and humid air flow will withdraw from Guangdong. It is expected that " The phenomenon of "returning to the south" will gradually be alleviated. The Guangdong Provincial Meteorological Department recommends that residents across the country close the doors and windows of houses that are prone to moisture before then, and then reopen them after the cold air is affected, so as to reduce the impact of humid air on the indoor environment.
text｜Reporter Liang Yitao
