On June 21, an artificial rainfall operation in Xuzhou alleviated the drought in most areas of the city. However, this "timely rain" caused dissatisfaction among many netizens. Some netizens left messages on Xuzhou Weather Weibo saying that this rainfall Why did it have to be cho

html On June 21, an artificial rainfall operation in Xuzhou alleviated the drought in most areas of the city. However, this "timely rain" caused dissatisfaction among many netizens. Some netizens left messages on Xuzhou Weather Weibo saying that this rainfall Why did it have to be chosen at this time? Was it intentional? Can't you change the time? A reporter from Modern Express learned that there was a lot of "noisy" on the Internet because there was a Xue Zhiqian concert at the Xuzhou Olympic Sports Center that night. Netizens felt that the rain would bring inconvenience to the concert. On the morning of June 22, a reporter from Modern Express contacted the Xuzhou Meteorological Bureau, and Yan Wuguang, director of the Xuzhou Weather Modification Center, responded to the necessity and timing of this artificial rainfall increase.

The rainfall enhancement operation was successfully completed

Screenshot of netizen comments

According to the artificial rainfall enhancement operation announcement issued by the Xuzhou Weather Modification Center on June 20, in order to improve soil moisture and promote crop growth, the Xuzhou Meteorological Bureau arrived on the morning of June 21 Artificial rainfall enhancement operations were carried out at night in most areas of Xuzhou. "We were divided into seven operating groups yesterday (21st), and each operating group launched four rain-enhancing rockets. Our operating time was basically around 1 to 3 o'clock in the afternoon." Yan Wuguang introduced, Affected by the combination of cold and warm air, there was a significant rainfall process in Xuzhou from noon to night on the 21st. According to the development of the drought and the need for drought relief, the Xuzhou Meteorological Bureau seized the opportunity of this rainfall and organized and implemented multiple artificial rainfall operations at multiple points throughout the city. .

Artificial Rain Enhancement Operation Announcement

"The rainfall enhancement effect is still good, especially in Suining and Xinyi. Yesterday it basically rained moderate to heavy rain, and some areas even had some heavy rain." Yan Wuguang said that they based on the weather Artificial rain enhancement operations carried out under certain circumstances, when rain is seen coming to a certain area, rockets are fired at the clouds, and catalysts such as dry ice, silver iodide, and salt powder are spread into the clouds to promote precipitation in the clouds or increase the amount of precipitation. "If the rain doesn't come, it's impossible for us to launch rain-increasing rockets. If the rain comes but we don't launch, the opportunity will be missed. So timing is very important. The time when rain comes is not determined by our meteorological department or a certain place. "

Judging from the rainfall increase effect, as of 7:00 on June 22, the city has experienced unevenly distributed moderate rainfall, with heavy rainfall in some areas. The precipitation (mm) at the main stations in each urban area is: 12.7 in Feng County and 12.7 in Peixian County. 1.7, urban area 9.0, Tongshan 8.0, Jiawang 5.6, Pizhou 28.0, Suining 34.5, Xinyi 9.7. 14 stations in the city exceeded 25 mm, 64 stations exceeded 10 mm, and the maximum precipitation was 45.6 mm (Gaoliu Town, Xinyi).

Reporters learned that Xuzhou has seen significantly less rainfall this year. According to hydrological monitoring, since April, the city’s average rainfall has been only 29 millimeters, which is 80% less than the 141.7 millimeters in the same period of normal years. After this rainfall, the drought in most areas of Xuzhou has been alleviated to a certain extent, which is extremely beneficial to the growth and development of sown crops.

Since Joker Xue had three concerts at the Xuzhou Olympic Sports Center from June 21st to 23rd, many fans expressed dissatisfaction with the rain on the night of the 21st. They even started a fight on Xuzhou Meteorological Weibo, accusing the meteorological department of doing it deliberately and questioning Why can't it rain after the concert? Although the meteorological department has responded positively, some fans are still shouting and complaining, thinking that they spent thousands of yuan to finally get tickets, but they were watered when they came.

In this regard, Yan Wuguang explained that the artificial rainfall enhancement operation point closest to the Olympic Sports Center on the 21st was located near Danji, Tongshan District. The straight-line distance from the Olympic Sports Center was 24km, and the movement direction of the rain area was east-north. The rockets launched from a single operation point and the silver iodide catalyst spread will only have a greater impact on the downstream as the rain area moves eastward, and will have little impact on the Olympic Sports Center concert. "I have also seen some comments on the Internet. We cannot cover everything. We still need to consider the drought situation in the city and focus on ensuring agricultural drought resistance."

Screenshot of netizen comments

Many netizens also left messages saying that Xuzhou has been in drought for a long time and rainfall must also be considered. Cloud cover and other factors."Do you know how long Xuzhou has been waiting for this rain?" "I also went to the concert. Artificial rain enhancement is conditional, and it does not just increase. Last week, artificial rain was also artificially enhanced, but it didn't rain too much. Xuzhou It has been dry for a long time, and it is the busy farming season again. The farmers are going to cry. "It will rain soon. People have been looking forward to this rain for half a year."

According to the weather forecast, there will be scattered light rain in Xuzhou on the morning of the 22nd and it will gradually turn cloudy. From the afternoon of the 22nd to the 24th, Xuzhou will mainly have sunny or cloudy weather.

Modern Express/Modern+ reporter Zhang Xiaopei