What does the blue weather warning mean?

Typhoon warning signals are divided into four levels, which are represented by blue, yellow, orange and red respectively.

(1) Typhoon blue warning signal

Meaning: It may be affected by tropical depression within 24 hours, with an average wind force of above 6 or a gust of above 7; Or it has been affected by tropical depression, with an average wind force of 6-7, or a gust of 7-8 and may continue.

Defensive measures:

1. Prepare for wind protection, and relevant departments start the defense work plan;

2. Pay attention to media reports on the latest news of tropical depression and windproof notices;

3. Fasten doors and windows, hoardings, scaffolding, outdoor billboards, temporary structures and other structures that are easily blown by the wind, and properly arrange outdoor items that are easily affected by tropical depression.

(2) Typhoon yellow warning signal

Meaning: It may be affected by tropical storms, strong tropical storms and typhoons within 24 hours, with an average wind force of 8 or above or a gust of 9 or above; Or it has been affected by tropical storms, with an average wind force of 8-9, or a gust of 9- 10 and may continue.

Defensive measures:

1. Enter the windproof state, and relevant departments start the defense work plan;

2. Close the doors and windows, residents and ships in dangerous areas and dangerous buildings take shelter from the wind, outdoor workers such as high altitude, beach and water stop working, and staff in dangerous areas evacuate in time. ...

(3) Typhoon orange warning signal

Meaning: It may be affected by tropical storms, strong tropical storms and typhoons within 24 hours, with an average wind force of 8 or above or a gust of 9 or above; Or it has been affected by tropical storms, with an average wind force of 8-9, or a gust of 9- 10 and may continue.

Defensive measures:

1. Enter the windproof state, and relevant departments start the defense work plan;

2. Close the doors and windows, residents and ships in dangerous areas and dangerous buildings take shelter from the wind, outdoor workers such as high altitude, beaches and water stop working, workers in dangerous areas evacuate in time, collective outdoor activities stop in time, and do a good job in evacuation;

3. Cut off neon signs and dangerous outdoor power supply;

Other typhoon blue warning signals.

(4) Typhoon red warning signal

Meaning: It may be affected by typhoon within 6 hours, and the average wind power can reach more than 12; Or has been affected by the typhoon, the average wind power has reached more than 12, and may continue.

Defensive measures:

1. When entering the special emergency windproof state, the relevant departments will start the defense work plan, and the relevant emergency rescue units will be ready to start the emergency rescue plan at any time;

2. Close the doors and windows, residents and ships in dangerous areas and dangerous buildings take shelter from the wind, outdoor workers such as high altitude, beaches and water stop working, workers in dangerous areas evacuate in time, collective outdoor activities stop in time, and do a good job in evacuation;

Other orange warning signals of the same typhoon.