Heavy rain is a kind of heavy precipitation weather. What are the color grades of rainstorm warning?

Heavy rain is a kind of heavy precipitation weather. According to China's meteorological regulations, heavy rainfall with 24-hour precipitation exceeding 50 mm is called rainstorm. According to the rainstorm intensity, the rainstorm warning signal is divided into four levels, in which the rainstorm color levels are blue, yellow, orange and red, and the red rainstorm is the highest intensity rainstorm.

Heavy rain is a kind of heavy precipitation weather. What are the color grades of rainstorm warning? 1. Blue alert

The standard of blue rainstorm warning is 12 hours, when the rainfall reaches more than 50 mm, or it has reached more than 50 mm and the rainfall may continue. And take relevant defensive strategies, as follows: the government and relevant departments should prepare for the rainstorm according to the allegations. Schools and kindergartens take appropriate measures to protect the personal safety of students and children. Drivers on the road should pay attention to water accumulation on the road to avoid traffic jams and ensure the safety of pedestrians around the road and themselves. According to the regulations, it is necessary to check the drainage system of cities, farmland and fish ponds, and make good preparations for drainage in advance.

2. Yellow warning

The standard of rainstorm yellow warning is that the rainfall reaches more than 50 mm within 6 hours, or it has reached more than 50 mm and the rainfall may continue, so it is necessary to take relevant actions and policies to defend it, as follows. According to the allegations, the government and relevant departments are ready to prevent heavy rain. According to the road conditions, the traffic management department needs to take traffic control measures in heavy rainfall sections or large-area flooded sections, and implement traffic guidance in flooded sections to avoid causing traffic jams, causing large-area traffic paralysis and delaying road rescue. It is necessary to cut off the low-lying and dangerous outdoor power supply and suspend all open-air operations. People and residents in dangerous areas should move to safe places for shelter from the rain. According to the regulations, it is necessary to check the drainage system of cities, farmland and fish ponds, and make good preparations for drainage in advance.

3. Orange rainstorm warning

The standard of orange rainstorm warning is that the rainfall reaches more than 50 mm within 3 hours, or it has reached more than 50 mm and the rainfall may continue. Relevant methods and policies to be adopted are as follows. According to the allegations, the government and relevant departments are ready to prevent heavy rain. Immediately cut off all outdoor dangerous power supplies, suspend security work, and evacuate workers and residents in dangerous areas to safe places to avoid rain. For units and schools in dangerous areas, it is necessary to suspend classes or make up lessons, and take special measures to deal with students, children and workers who have arrived at school. Do a good job in urban and farmland drainage activities, and pay attention to the occurrence of natural disasters such as flash floods, landslides and mudslides that may be caused by heavy rains.

4. Red rainstorm warning

The standard of rainstorm red warning is that the rainfall reaches 100 mm or above within 3 hours, or it has reached 100 mm and the rainfall may continue. The relevant methods and specific policies to be adopted are as follows. The government and relevant departments need to do corresponding emergency work and emergency repair work according to their own accusations to prevent heavy rain. Stop the opportunity, suspend classes, and immediately suspend business to protect the personal safety of residents. Do a good job in emergency repair and defense of natural disasters such as flash floods, landslides and mudslides.

The above is the classification of rainstorm warning color grades, namely blue, yellow, orange and red warning. Only oranges will start their holidays.