Is there a return to Nantian in Nanjing?

Huinantian (Huinan for short) is the name of a weather phenomenon in southern China, which usually refers to the phenomenon that the temperature starts to get warmer and the humidity rises sharply every spring.

Returning to Nantian is a phenomenon of warmer weather, which generally appears in February and March in spring. The main reason is that after the cold air leaves, the warm and humid airflow quickly counterattacks, resulting in an increase in temperature and air humidity. Some cold objects are easy to produce water droplets when they encounter warm and humid airflow.

When Return to the South Sky appeared, the air humidity was close to saturation, and the walls and even the ground would "bubble". Everywhere is wet, and the air seems to be able to wring water out. Dense fog is the most distinctive appearance of "returning to the south sky"

When the damp "returning to the south sky" strikes, everyone must remember to close the windows at home, especially those facing south and southeast, so as not to give any chance for the moisture eyeing outside the window to sneak in.

The most important period of moistureproof is in the morning and evening of every day. The air humidity in these two periods is higher than that at noon. If the doors and windows are not closed in time, water vapor will seriously penetrate into every corner of the house. In addition, if you think that the indoor air cannot circulate because the doors and windows are closed, I suggest you open the window for a short time at noon.