What are the characteristics of this sandstorm that affects over 10,000 square kilometers?

The data show that from 2000 to 2020, there were 32 large-scale strong sandstorms in China, with an average of about 1.5 times a year, mainly in March and April.

Generally speaking, spring is the high season of sandstorm. According to the statistics of the Central Meteorological Observatory, from the night of March 14 to June 16, the strongest sandstorm weather process occurred in China in recent years, covering an area of more than 3.8 million square kilometers. What are the characteristics of this sandstorm? The data show that from 2000 to 2020, there were 32 large-scale strong sandstorms in China, with an average of about 1.5 times a year, mainly in March and April.

Generally speaking, spring is the high season of sandstorm. According to the statistics of the Central Meteorological Observatory, from the night of March 14 to June 16, the strongest sandstorm weather process occurred in China in recent years, covering an area of more than 3.8 million square kilometers. What are the characteristics of this sandstorm?

(Source: China Weather Network)

1. The affected area of this sandstorm exceeds 3.8 million square kilometers.

According to the statistics of the Central Meteorological Observatory, from the night of March 14 to the morning of March 16, large-scale sand blowing or floating dust occurred in the northwest, most of North China, the central and western parts of Northeast China, Huanghuai, northern Jianghuai and other places, and sand blowing or strong in parts of southern Xinjiang, Inner Mongolia, western Gansu, north-central Ningxia, northwestern Shaanxi, northwestern Shanxi, northern Hebei, Beijing and other places.

Second, what are the characteristics of this sandstorm?

1, wide range

From the night of March 14 to the morning of March 16, large-scale sand blowing or floating dust occurred in the northwest, most of North China, the central and western parts of Northeast China, Huanghuai, northern Jianghuai and other places, and sand blowing or strong sandstorms occurred in parts of southern Xinjiang, Inner Mongolia, western Gansu, north-central Ningxia, northwestern Shaanxi, northwestern Shanxi, northern Hebei, Beijing and other places, with dust weather areas exceeding.

2. The strength is the strongest in recent 10 years.

This process reached the intensity of a strong sandstorm, which is the strongest sandstorm weather process in China in recent 10 years.

The peak concentration of PM 10 in many places in the north exceeds 5000 μ g/m3.

There are 6 ~ 8 gusts in northwest, north China, northeast China and Inner Mongolia, with 9 ~ 10 in some areas and112 in central and eastern Inner Mongolia and northern Xinjiang.

From 2000 to 2020, there were 32 large-scale strong sandstorms in * * * in China, with an average of about 1.5 times a year, mainly in March and April (March1times, April1times), with a maximum of 5 times a year (20.

The scope and intensity of this process are equivalent to March 18-22, 2002 and March 19-22, 2006.

3, the impact is heavier.

The large-scale sandstorm weather process not only caused casualties and disappearances in Mongolia, but also had a great impact on China's transportation and people's life and production, which attracted the attention of all sectors of society.

The air quality in many places in China has reached serious pollution. In some areas, flights were cancelled or delayed, highways were temporarily controlled and trains were delayed. In Inner Mongolia, Gansu and Xinjiang, crops were affected and agricultural facilities were damaged. Classes in Baotou, Inner Mongolia have been suspended due to dusty weather.