What do orange warning, red warning and yellow warning mean respectively?

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

(1) Yellow rainstorm warning signal

Meaning: the rainfall in 6 hours will reach more than 50 mm; Or it has reached more than 50 mm and the rainfall may continue.

Defensive measures:

1. The relevant departments shall start the defense work plan according to the situation;

2. The public should cover the items that are aired in the open air in time;

3. Drainage and flood control should be done in low-lying and waterlogged areas;

4. Drivers should pay attention to road water and traffic jams to ensure safety.

(b) An orange rainstorm warning signal

Meaning: within 3 hours, the rainfall will reach more than 50 mm, or it has reached more than 50 mm and the rainfall may continue.

Defense guide:

1, the outdoor operation shall be suspended in the open air, and stay indoors or in a safe place to avoid the rain as much as possible;

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;

3. Traffic management departments should implement traffic guidance or control in areas with accumulated water;

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

Others use yellow rainstorm warning signals.

(3) Rainstorm red warning signal

Meaning: The rainfall in 3 hours will reach 100 mm or above, or it has already reached 100 mm and the rainfall may continue.

Defense guide:

1, personnel should stay in a safe place, and outdoor personnel should immediately take temporary refuge in a safe place;

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 with 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;

Other rainstorm orange warning signals.

The high temperature warning signal is divided into two levels, which are represented by orange and red respectively.

(A) high temperature orange warning signal

Meaning: The maximum temperature will rise above 37℃ within 24 hours.

Defense guide:

1. Try to avoid outdoor activities at high temperature in the afternoon, give guidance to the elderly, the weak, the sick and the disabled, and take necessary protective measures;

2, the relevant departments should pay attention to prevent excessive electricity consumption, wires, transformers and other power equipment load is too large and cause a fire;

3. Operators working outdoors or under high temperature conditions should take necessary protective measures;

4. Pay attention to work and rest time, ensure sleep, and prepare some commonly used heatstroke prevention and cooling drugs when necessary;

5, the media should strengthen the propaganda of heatstroke prevention and cooling health care knowledge, and all relevant departments and units should implement heatstroke prevention and cooling safeguard measures.

(2) High temperature red warning signal

Meaning: The maximum temperature will rise above 40℃ within 24 hours.

Defense guide:

1, pay attention to heatstroke prevention and cooling, and minimize outdoor activities during the day;

2, the relevant departments should pay special attention to fire prevention;

3. It is suggested to stop outdoor open-air operation;

Other high temperature orange warning signals.