What are the symbols of typhoon and rainstorm?

The symbols of typhoon and rainstorm are as follows:

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

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

Natural disasters:

1, drought, high temperature, low temperature, cold wave, flood, flash flood, typhoon, tornado, flame, tornado, hail, wind hail, frost, rainstorm, blizzard, freezing rain, fog, gale, ice, haze, smog.

2. Earthquake, tsunami, debris flow, floating dust, sand blowing, sandstorm, lightning, thunderstorm, spherical lightning, volcanic eruption, etc.

1. Natural disasters are widespread and regional.

On the one hand, natural disasters are widely distributed. Whether it is the sea or the land, the ground or the underground, the city or the countryside, the plain or the hilly area or the plateau, as long as there are human activities, natural disasters may occur.

2. Natural disasters are frequent and uncertain, and there are many large and small natural disasters all over the world every year. The uncertainty of the time, place and scale of natural disasters greatly increases the difficulty for people to resist natural disasters.

Extended data:

Main impacts of natural disasters:

1, disasters will bring substantial trauma and mental disorders;

2. Most of the pain disappears within one or two years after the disaster, and people can adjust themselves;

3. Chronic mental disorders caused by disasters are very rare;

4. The overall impact of some disasters may be positive, because it may increase social cohesion;

5. Disasters have disrupted organizations, families and personal lives.