What color are the weather signs for rainstorms and thunderstorms?

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

Thunderstorm and gale warning signals are divided into four levels, namely: blue, yellow, orange and red.

Rainstorm warning signal

(1) Blue rainstorm warning signal

Standard:/kloc-within 0/2 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 government and relevant departments should prepare for the rainstorm according to their duties;

2. Schools and kindergartens should take corresponding measures to ensure the safety of students and children;

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

4, check the city, farmland, fish pond drainage system, drainage preparation.

(2) Yellow rainstorm warning signal

Standard: The rainfall will reach more than 50 mm within 6 hours, or it has reached more than 50 mm and the rainfall may continue.

Defense guide:

1, the government and relevant departments should do a good job in rainstorm prevention according to their duties;

2. The traffic management department takes traffic control measures in heavy rainfall sections according to the road conditions, and implements traffic guidance in waterlogged sections;

3. Cut off the dangerous outdoor power supply in low-lying areas, suspend outdoor work in open-air places, and transfer people in dangerous areas and residents of dangerous houses to safe places for shelter from the rain;

4, check the city, farmland, fish pond drainage system, take the necessary drainage measures.

(c) An orange rainstorm warning signal

Standard: 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 government and relevant departments should do a good job in emergency prevention of rainstorm according to their duties;

2. Cut off dangerous outdoor power supply and suspend outdoor work;

3. Units in dangerous areas should suspend classes or business, and take special measures to protect the safety of students, children and other staff who have arrived at school;

4, do a good job in urban and farmland drainage, pay attention to prevent possible disasters such as flash floods, landslides and mudslides.

(4) Rainstorm red warning signal

Standard: within 3 hours, the rainfall will reach 100 mm or above, or it has reached 100 mm and the rainfall may continue.

Defense guide:

1, the government and relevant departments shall, in accordance with their duties, do a good job in emergency rescue against rainstorm;

2. Stop assembly, suspend classes and suspend business (except for special industries);

3, do a good job in mountain torrents, landslides, mudslides and other disasters prevention and rescue work.

Thunderstorm and gale warning signal

(1) blue warning signal of thunderstorm and gale

Standard: It may be affected by thunderstorms and strong winds within 6 hours, with an average wind force of above 6, or a gust of above 7 accompanied by lightning; Or have been affected by thunderstorms and strong winds, with an average wind force of 6-7, or gusts of 7-8 accompanied by lightning, and may continue.

Defense guide:

1, prepare for wind and lightning protection;

2. Pay attention to the latest news about thunderstorm and gale reported by the media and the notice about wind prevention, so that students can stay in a safe place;

3, doors and windows, coamings, scaffolding, temporary structures and other structures that are easily blown by the wind, personnel should leave the temporary structures as soon as possible, and properly arrange outdoor items that are easily affected by thunderstorms and strong winds.

(2) Yellow warning signal of thunderstorm and gale

Standard: It may be affected by thunderstorms and strong winds within 6 hours, with an average wind force of 8 or above, or a gust of 9 or above accompanied by strong lightning; Or have been affected by thunderstorms and strong winds, with an average wind force of 8-9, or a gust of 9- 10 accompanied by strong lightning, and may continue.

Defense guide:

1, properly keep the valuable electrical equipment vulnerable to lightning, and put it in a safe place after power failure;

2. Residents in dangerous areas and dangerous houses, as well as ships, should take shelter from the wind. Never shelter from the rain under trees, telephone poles or tower cranes. You should turn off your cell phone when there is lightning.

3, cut off neon lights and dangerous outdoor power supply;

4. Stop open-air collective activities and evacuate people immediately;

5, high altitude, water and other outdoor workers to stop work, the danger zone personnel evacuation;

6. Other blue warning signals accompanied by thunderstorms and strong winds.

(3) orange warning signal of thunderstorm and gale

Standard: It may be affected by thunderstorm and strong wind within 2 hours, and the average wind power may be above 10, or the gust 1 1 above, accompanied by strong lightning; Or have been affected by thunderstorms and strong winds, the average wind force 10- 1 1, or gust112 accompanied by strong lightning, and may continue.

Defense guide:

1, personnel should not go out and ensure to stay in the safest place;

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

3. Strengthen port facilities to prevent ships from anchoring and collision;

4. Other yellow warning signals accompanied by thunderstorms and strong winds.

(4) Thunderstorm and gale red warning signal

Standard: It may be affected by thunderstorms and strong winds within 2 hours, and the average wind power can reach more than 12 with strong lightning; Or it has been affected by thunderstorms and strong winds, and the average wind force is above 12 with strong lightning, and it may continue.

Defense guide:

1, enter a special emergency windproof state;

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

3. Other orange warning signals for thunderstorms and strong winds.

Refer to Baidu Encyclopedia-Meteorological Disaster Warning Signal? Rainstorm signal? Thunderstorm gale signal