The typhoon is very strong, but what is the reason why the sky is high and the clouds are light before it comes?

Cause: The air pressure in the center of the typhoon is low, and the surrounding air pressure is high, resulting in air pressure difference, and the air flow moves from low pressure to high pressure. Downdraft prevails in the high pressure area, and the weather is fine. In addition, the local water vapor was sucked away by the typhoon, which caused the local sky to be overcast and sultry.

The clearer the weather, the stronger the storm may be, because it shows that the coming typhoon is still gathering strength.

Extended data:

Precautions before the typhoon:

1, be alert to typhoon trends, pay attention to listening to and watching media reports, or learn about the latest situation of typhoons through meteorological consultation telephones and meteorological websites.

2. Minimize going out. If you want to go out, try not to ride a bike. Don't go to rivers and lakes, and don't participate in water and high-altitude amusement projects.

3. Clean the drainage pipes to keep the drainage unblocked.

4. Don't get close to or stay under billboards, trees, temporary structures and other objects that are easily blown by the wind.

5. Typhoon weather will cause water accumulation on the road surface and ground sliding, which will affect driving or riding and cause accidents. Therefore, drivers must slow down when driving, and friends who ride bicycles had better choose to walk or take the bus in bad weather.

Baidu Encyclopedia-Typhoon