Traditional Culture Encyclopedia - Weather inquiry - What weather often appears in South China in spring?

What weather often appears in South China in spring?

In southern China, the phenomenon of "returning to the southern sky" often appears in spring.

"Returning to Nantian" is the name for the phenomenon of weather resurgence in Hainan, Guangxi and Guangdong in South China. It usually appears in February and March in spring, when the temperature warms up and the air humidity rises sharply. Walls, floors, beds, etc. All wet, even moldy. The "first frost" is the first frost after autumn.

"Returning to the South Sky" is also called "southerly sky" in some areas, which is a phenomenon of weather resurgence, generally appearing in March and April every year. South China has a typical subtropical monsoon climate. In spring, cold air is still active. When encountering warm and humid airflow, the air humidity is close to saturation, and the phenomenon of "returning to the south sky" appears.

Prevention methods of "returning to Nantian";

1, close the window in the morning and evening. When the damp "returning to the south sky" strikes, be sure to close the windows at home, especially the windows facing south and southeast, and don't give any chance for the moisture eyeing outside the window to sneak in. The most important period of moisture protection is morning and evening every day, and the air humidity in these two periods is higher than that at noon. In addition, you can open the window for ventilation at noon.

2. Hang desiccant. Now there are many desiccants specially used for moisture-proof and dehumidification in the supermarket. The most common types are moisture absorption boxes and bags. Many absorption boxes have various scents, such as lemon, lavender and sweet orange, which are suitable for living room, room, bathroom and kitchen. After using it for a period of time, you can take out the substances in the moisture absorption box and buy bulk desiccant and put it in the box for reuse.