Where did the Beijing sandstorm come from? Beijing issued a yellow sandstorm warning on March 15, 2021.

Beijing was hit by a sandstorm this morning, and there was obvious sandstorm weather. Currently, Beijing has issued a yellow sandstorm warning. Citizens and friends traveling must pay attention to safety and take precautions. The details are below Let’s learn more about this sandstorm. Where do sandstorms come from in Beijing

According to meteorological experts, temperatures in northern my country have been relatively high since March, and meteorological conditions are generally conducive to the formation of sandstorms. The sand and dust affecting northern China this time mainly originated from Mongolia. Due to the strong development of the Mongolian cyclone (the central pressure was 980 hPa at 02:00 on the 15th), the sand and dust moved eastward and southward with the cold high pressure at the rear of the cyclone, affecting northern my country. area.

Beijing’s current primary pollutant is PM10, with a pollution level of Level 6. The air quality is already severely polluted.

According to reports, the annual average number of sand and dust days at the observatory in March (average from 1981 to 2010) is 2.4 days, with a maximum of 12 days (1954). The maximum number of dust days since 2000 was 9 days, which occurred in 2001 .

The last sandstorm occurred on April 15, 2015. There was blowing sand weather on March 18, 2020. Yellow warning for sandstorm in Beijing on March 15

Affected by the cold air, the Beijing area will encounter a strong wind and dust weather today (March 15). It is expected that most areas will have level 4 to 5 northerly winds. Wind, with gusts reaching level 7 to 8, is expected to gradually improve in the afternoon. Residents who plan to go out in the morning are advised to take wind and sand prevention measures, stay away from billboards, temporary structures, etc., and pay attention to traffic safety on passing vehicles.

During the day yesterday, Beijing had poor atmospheric diffusion conditions and poor visibility, and there was still light fog in some areas at night. At around 17:15 in the afternoon, the Beijing Meteorological Observatory issued blue warnings for strong winds and blue warnings for sand and dust, reminding citizens to pay attention to protection against strong winds and dust. According to live monitoring, sandy weather has already occurred in Beijing, and PM10 concentrations are rising significantly. According to the Beijing Ecological Environment Monitoring Center, as of 7 a.m., the air quality in most of Beijing is at mild pollution and above. Northwest Many places in the country are at severe pollution levels, urban areas are basically at moderate pollution levels, and the outdoor sky is dim.

According to the forecast issued by the Beijing Meteorological Observatory at 6 a.m. this morning, it will be cloudy and sunny in Beijing from morning to day, with sand and dust, north wind of level 4 to 5, gusts of level 7 to 8, and a maximum temperature of 15°C ; It will be sunny at night, with northerly winds of level 3 to 4 (gusts of level 6 to 7), and a minimum temperature of 2°C. Currently, Beijing has issued a yellow sandstorm warning.

It is expected that this windy and dusty weather will start in the morning and gradually improve in the afternoon. However, the wind will be strong during the dust attack and the visibility will drop significantly. Citizens should pay attention to traffic safety and stay away from billboards when traveling. , temporary structures, etc. to avoid accidents.

In addition, when sand and dust weather strikes, the public should pay attention to using hats, gauze scarves, masks, glasses and other items to block the wind and sand when going out to prevent sand and dust particles from entering the mouth, nose and eyes, causing discomfort; and , when strong winds and dust hit, the air is often dry, and the human body is prone to dry and itchy throat, chapped lips, itchy skin and other discomforts. Pay attention to drinking more water and eating more fruits to quickly replenish the water lost by the body.