Seven original poems of sandstorm

The original seven sentences of the sandstorm poem are as follows:

1, Four Wonders and Sandstorms-Zhang Jinghua

The old tree moves first when the branches play with dust.

Leaves are broken, roots are broken, and fruits are scattered.

2. Seven Laws and Sandstorms-Yi Yun

I haven't seen a sandstorm for many years, and I feel dizzy today.

In the distance, the green hills are colorless, and the willows fall beside the embankment.

Those who banished the demon Warcraft forgot to close the gates of hell.

Going straight to the Qingming Antai environment will lead to chaos and disaster for children and grandchildren.

3, the four wonders, sandstorm-the princess who cooks wine

Don't ask which season falls in spring and autumn, 30% yellow rain and 30% sand.

Knowing that everyone is tired, we have to teach a face without makeup.

4. Seven Wonders: Sandstorm-a good one

The weather is cold and foggy, the sky is dark and dusty.

The weather in border areas is often like this. When will Juye see green?

5. Four Wonders of Sandstorm-Best-selling Wansheng

The dust is rolling in the dark, the sun is cold, and the wind is robbing flowers.

There is no smoke in the sky, and the desert lies between Huang Yun and hell.

Sandstorm is the general name of sandstorm and sandstorm, and it is a sign of desertification. It refers to a disastrous weather phenomenon that strong winds roll up a lot of dust on the ground, making the horizontal visibility less than 1 km. It has the characteristics of suddenness and short duration, low probability and great harm.

Among them, sandstorm refers to a sand-laden storm formed by strong wind blowing a large amount of sand near the stratum; Sandstorm is a storm formed by strong winds, which brings a lot of dust and other particles into the sky. Sandstorms in China mainly occur in northern areas, among which southern Xinjiang basin, southwestern Qinghai, western Tibet, central and western Inner Mongolia and central and northern Gansu are the most frequent areas.

On 20021March 15, according to the latest satellite monitoring of the National Satellite Meteorological Center of China Meteorological Bureau, dusty weather occurred in Inner Mongolia, northern North China, western Northeast China and eastern Northwest China due to the strong wind behind the frontal cyclone cloud system.

Dust weather is divided into 5 grades from light to heavy:

1. floating dust: a weather phenomenon in which dust and fine sand float evenly in the air, making the horizontal visibility less than 10 km.

2. Sand blowing: The wind blows up the dust on the ground, making the air quite turbid, and the horizontal visibility is in the range of 1 km to1km.

3. Sandstorm: Strong winds blow up a lot of dust on the ground, making the air very turbid, and the horizontal visibility is less than 1 km.

4. Strong sandstorm: a weather phenomenon in which strong winds blow up dust on the ground, making the air fuzzy and turbid, and the horizontal visibility is less than 500 meters.

5. Extremely strong sandstorm: a weather phenomenon in which strong winds blow up dust on the ground, making the air particularly turbid and the horizontal visibility is less than 50 meters.