Why does it rain when a typhoon comes?
Typhoons are huge rising clouds, and their airflow rises. Typhoons bring huge amounts of water vapor from the ocean, and due to the effect of the updrafts, when they encounter hot air masses above the ground, the temperature of the water vapor increases. lower, causing rain. ?
The center of the typhoon is the eye of the typhoon, where downdrafts prevail and are generally high-pressure, so the wind and sunshine will be sunny. Outside the eye of the typhoon is the vortex wind and rain area, where updrafts prevail and form low pressure, often causing heavy storms. Rainfall will be widespread and heavy.
The cause of typhoons is that the tropical sea surface is exposed to direct sunlight, which causes the temperature of the seawater to rise. The seawater evaporates into water vapor and rises into the sky. The surrounding colder air flows in to replenish it, and then rises again. This cycle will eventually lead to The entire airflow continues to expand.
Extended information
Precautions when a typhoon approaches
1. When a typhoon approaches, especially the doors and windows facing the typhoon must be locked. Avoid being blown open by the wind, causing the glass of windows and doors to break, causing it to fly outdoors and injure passers-by.
2. If you have to go outdoors during a typhoon, you must wear a raincoat and rain boots, and be careful not to hold an umbrella, because in typhoon weather, the wind is strong and the rain is heavy, and it cannot be held at all. Umbrellas are used to hold umbrellas, and they are easily blown away, affecting your progress.
3. When a typhoon comes, for personal safety, you cannot live in old houses or temporary wooden houses. These houses are not strong and are easily blown down by the typhoon, and the roofs are also easily lifted by the typhoon. , must be a safe haven.
4. When a typhoon is approaching, trees, telephone poles, etc. around the house should be fixed in advance, tied with ropes and pulled to the ground to prevent them from being blown down by the typhoon. Smash the house.
Baidu Encyclopedia-Typhoon