Meteorological disaster forecast and early warning sign: rainstorm

Classification standard and prevention of early warning signals?

First, the rainstorm warning signal

The rainstorm warning signal is divided into four levels, which are represented by blue, yellow, orange and red respectively.

(1) Blue rainstorm warning signal?

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Meaning: 24-hour rainfall will reach more than 50 mm, or it has reached more than 50 mm and there may be continuous heavy rain.

Defense guide:

1. Parents, students and schools should pay special attention to weather changes and take preventive measures; 2. Cover the articles dried in the open air, and the relevant units shall do a good job in drainage and flood control in low-lying and waterlogged areas;

3. Drivers should pay attention to road water and traffic jams to ensure safety; ?

4. Check the drainage system of farmland and fish ponds to reduce the water level of easily flooded fish ponds.

(2) Yellow rainstorm warning signal?

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Meaning: 12 hour rainfall will reach more than 50 mm, or 24 hours rainfall will reach more than 75 mm, or it has reached more than 75 mm and the rainfall may be heavy rain.

Guide to defense:?

1. Parents, students and schools should pay special attention to weather changes and take preventive measures; 2. Cover the articles dried in the open air, and the relevant units shall do a good job in drainage and flood control in low-lying and waterlogged areas;

3. Drivers should pay attention to road water and traffic jams to ensure safety; ?

4. Check the drainage system of farmland and fish ponds to reduce the water level of easily flooded fish ponds.

(3) rainstorm orange warning signal?

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Meaning: The rainfall in 6 hours will reach more than 50 mm, or the rainfall in 12 hours will reach more than 75 mm, or the rainfall in 24 hours will reach more than 100 mm, or it has reached more than 100 mm, and heavy rain may continue to occur.

Defense guide:

1. Suspend outdoor work in the open air and try to stay indoors or in a safe place to avoid the rain;

2. Relevant emergency departments and rescue units should strengthen their duty, closely monitor the disaster situation, cut off dangerous outdoor power supply in low-lying areas, and implement countermeasures; ?

The traffic management department should implement traffic guidance or control in the stagnant water area; ?

4. Move residents in dangerous areas and dangerous houses to safe places for shelter from the rain;

5. Others are the same as the yellow rainstorm warning signal.

(4) Heavy rain in red warning signal?

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Meaning: 6-hour rainfall will reach 100 mm or more, or 12 hour rainfall will reach 150 mm or more, or 24-hour rainfall will reach 200 mm or more, and heavy rain may continue to occur. ?

Guide to defense:?

1. Personnel should stay in a safe place, and outdoor personnel should take refuge in a safe place immediately; ?

2. Relevant emergency departments and emergency rescue units are ready to start emergency rescue plans at any time; ?

3. Schools, kindergartens and other relevant units of existing students and employees should take special protective measures, and units in dangerous areas should suspend classes or suspend business and immediately move to safe places for temporary refuge; ?

4. Other orange warning signals of the same rainstorm.