Storm warning color level

The rainstorm warning signal is divided into four levels, which are upgraded in order of severity, and the colors are blue, yellow, orange and red respectively.

In Chinese mainland, the red rainstorm warning signal is the highest level, indicating that in the past three hours, the rainfall in some areas has exceeded 100 mm, and the rainfall may continue. In the Hong Kong Special Administrative Region, there are three levels (yellow, red and black), and the black rainstorm warning signal is the highest level. The Macao Special Administrative Region only has rainstorm warning signals.

Meteorological disasters are a kind of natural disasters, mainly including tropical storms, typhoons, droughts, high temperatures, mountain torrents, thunderstorms, sandstorms, hurricanes, tornadoes, hail, heavy rain (snow) and so on. In 2007, China Meteorological Bureau issued Decree No.9 of 2007. 16, Measures for Issuance and Dissemination of Meteorological Disaster Warning Signals, 18, which specifies various meteorological disaster warning signals.

Among them, the blue rainstorm warning signal is 12 hours, and the rainfall will reach more than 50 mm, or it has reached more than 50 mm and the rainfall may continue. In yellow rainstorm warning signal, the rainfall will reach more than 50 mm within 6 hours, or it has reached more than 50 mm and the rainfall may continue.

The warning signal of orange rainstorm is that the rainfall will reach more than 50 mm within 3 hours, or it has reached more than 50 mm and the rainfall may continue. The red rainstorm warning signal is that the rainfall will reach 100 mm or above within 3 hours, or it has reached 100 mm and the rainfall may continue.

Precautions before rainstorm.

1, family preventive measures

When the rainstorm comes, close the doors and windows at the first time to prevent the rain from entering the house and causing losses. If the window is facing the wind, you can also block the window with something. At the same time, make sure the floor drain is unblocked.

If rainwater enters the house, the power supply, gas and other equipment should be turned off at the first time. When the wind is too strong, it may affect the normal operation of the elevator. For your own safety, try not to take the elevator.

2. Preventive measures for going out

Travel should be avoided in heavy rain, especially at night. If you must travel, you should also find a safe shelter and avoid standing under trees and telephone poles. , to prevent injury by branches or lightning. Don't rush to wade forward, especially where you encounter a whirlpool. Don't approach, but make a detour.

When driving in a rainstorm, slow down and keep the distance between cars. Don't drive too fast, pay attention to safety. If the vehicle suddenly turns off during wading, don't wait for rescue in the car. You should evacuate quickly before the water level rises to protect your personal safety.