Traditional Culture Encyclopedia - Weather inquiry - What is the degree of sandstorm weather?

What is the degree of sandstorm weather?

1. Floating dust refers to the weather phenomenon that dust floats in the air and the horizontal visibility is less than 10000 meters when there is no wind or the average wind speed is less than or equal to 3.0 meters per second.

2. Sand blowing refers to the weather phenomenon that the wind blows up the dust on the ground, the air is very turbid, and the horizontal visibility is less than 1000 meters.

3. Sandstorm refers to the weather phenomenon that the wind blows up the dust on the ground, the air is very turbid, and the visibility is less than1000 m.

4. Strong sandstorm refers to the weather phenomenon that strong winds blow up dust on the ground, the air is very turbid and the horizontal visibility is less than 500 meters.

5. Super sandstorm refers to the weather phenomenon that strong winds blow up dust on the ground, the air is particularly turbid, and the horizontal visibility is less than 50 meters.

1, sandstorm yellow warning: sandstorm weather may occur within 24 hours (visibility is less than 1000m) or sandstorm weather has appeared and may continue.

2. Orange warning of extremely strong sandstorm: 12 hours, there may be strong sandstorm weather (visibility less than 500m), or it has already appeared and may continue.

3. Red warning of extremely strong sandstorm: extremely strong sandstorm weather may occur within 6 hours (visibility is less than 50 meters), or it has already appeared and may continue.