What Is a Job Alert?

According to the urgency of the emergencies, the development trend and the degree of harm that may be caused:

Alert level

There are four levels of typhoon warning signals, which are represented by blue, yellow, orange and red, respectively.

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

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

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

Gale (except typhoon) early warning signals are divided into four levels, which are represented by blue, yellow, orange, and red, respectively.

Sandstorm warning signals are divided into three levels, which are indicated by yellow, orange and red, respectively.

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

Drought warning signals are divided into two levels, which are shown in orange and red, respectively. The classification of drought indicators is based on the comprehensive meteorological drought index in the national standard "Meteorological Drought Grade" (GB / T20481-2006).

Lightning warning signals are divided into three levels, which are indicated by yellow, orange and red, respectively.

Hail warning signals are divided into two levels, which are shown in orange and red, respectively.

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

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

Haze warning signals are divided into two levels, which are indicated by yellow and orange, respectively.

Road icing warning signals are divided into three levels, which are indicated by yellow, orange, and red, respectively.

Alarm level (1) Yellow warning signal

Standard: When the road surface temperature is lower than 0 ° C, precipitation occurs, and road icing that may affect traffic may occur within 12 hours.

Defense Guide:

1. Departments of transportation and public security shall prepare for road icing in accordance with their duties;

2. Drivers should pay attention to road conditions and drive safely;

3. Pedestrians should ride as few bicycles as possible and pay attention to anti-skid.

Alarm level (two) orange warning signal

Standard: When the road surface temperature is lower than 0 ° C, precipitation occurs, and road icing that has a greater impact on traffic may occur within 6 hours.

Defense Guide:

1. Departments of transportation and public security shall do a good job in road icing emergency according to their duties;

2. The driver must take anti-skid measures, obey the command, and exercise slowly.

3. Pedestrians should pay attention to anti-skid when going out.

Alarm level (3) Red warning signal

Standard: When the road surface temperature is lower than 0 ° C, precipitation occurs, and road icing that may have a great impact on traffic may occur within 2 hours.

Defense Guide:

1. Departments of transportation, public security, etc. do a good job of road icing emergency and rescue work;

2. Traffic and public security departments should pay attention to directing and directing vehicles, and if necessary, turn off icy road traffic;

3. Minimize personnel going out.