High temperature for 21 consecutive days, how can Changsha "quench thirst"?

Changsha Evening News, Changsha, August 18 (All media reporter Zhang Yangzi Correspondent Wang Xiang) On the 18th, the Provincial Meteorological Observatory issued a high -temperature red warning, and the Municipal Meteorological Observatory issued a high -temperature red warning signal. Essence The high temperature of the high temperature continued in August, and the city's drought developed rapidly. When can Changsha cool down? Can I relieve drought through artificial means? Today, the reporter walked into the Municipal Meteorological Bureau and Changsha Lotus Base Cannon to find answers.

Severing heatstroke:

High temperature has continued for 21 days, and it is expected to relieve on the 25th

At 8:30 on the 18th, the atmosphere of Wangcheng slope in Yuelu District, the atmosphere in the Changsha Meteorological Observatory. The highest temperature, precipitation, high temperature day ... Just ending the provincial and municipal meteorological department chamber of commerce, duty forecasters are busy updating the weather, and finally form a special report to report it to relevant departments in the city as the basis for drought resistance.

High temperature, anti -drought, became a hot word in August. “其实，长沙今年热的程度不及2013年，但由于雨水太少，高温持续时间长，市民们会感觉异常热。”长沙市气象台副台长丁玄介绍，8月1日至18日，长沙The average rainfall is 4.2 mm, which is 94.4%less than the same period of the same year. It is the second low value since 1951, second only to 1.3 mm in 2013; The next 32.5 ° C in 2013. Beginning on July 30, Changsha has appeared at high temperature for 21 consecutive days. The extreme highest temperature is 40.0 ° C in the urban area, 40.3 ° C in Changsha County, 41.0 ° C in Wangcheng District, 39.5 ° C in Liuyang, and 40.1 ° C in Ningxiang.

"There is a possibility of cooling down in the next week." Ding Xuan introduced that from the high pressure control of the subtropical, from the 19th to 24th, Changsha continued to be sunny and hot, and there was no obvious rainfall. The maximum temperature was 39 ° C to 40 ° C; It may be affected by the cold air and typhoon peripheral cloud system in the north, and high temperature weather is expected to be relieved. However, a new round of high temperature weather will be ushered in from the 27th, and the intensity will weaken than the previous stage.

Under high temperature, Changsha's drought developments have developed rapidly. As of August 17, Liuyang has reached the standard of drought in meteorological, and other regions have met the standards of light and drought. According to the latest climate trend prediction, the rainfall in September is 40 mm to 60 mm, which is about 40 % less than usual; the average temperature is 26 ° C to 28 ° C, which is 2 ° C higher than the annual year. Or heavy drought.

Drought resistance:

45 artillery points, 17 teams for 24 hours standby

Based on the "anti -drought and long drought", the Changsha Meteorological Department has entered a special working state of high temperature and drought weather protection. "The citizens are looking forward to a rainwater to cool down, and we are also looking for opportunities at all times." Said Kuang Fangyi, a member of the party group and deputy director of the Changsha Meteorological Bureau, said that the meteorological department is further strengthening the monitoring and analysis of the meteorological conditions of artificial rainfall operations. 45 individual workers rain increase operation points, 17 teams have gathered, and for 24 hours, reducing the adverse effects of high temperatures to the greatest extent.

At noon on the 18th, at Changsha Lotus Base Cannon, the shadow operation team members were installing and debugging the rocket rainfall launch vehicle. "According to our experience, the probability of being able to operate at 14:00 to 19 o'clock in the afternoon is greater." Zou Linlin, a first -level investigator of the Changsha Meteorological Bureau, said that from August 3rd to August 17th, the city has already been in Yuelu District in Yuelu District. Vanyang City carried out 8 artificial rainfall operations, and the operation area produced effective rainfall, with a maximum 10 mm and a minimum of 2 mm. It played a temporary relaxation of high temperature and drought in the rainfall area at that time. "In the later period, according to the appropriate weather conditions and the changes in weather systems, we should carry out artificial rainfall operations."

Fighting drought, Changsha had long been prepared. In March of this year, the municipal meteorological department released a climate forecast for the flood season, predicting that obvious drought may occur after the rainy season in July, and continued to provide suggestions for scientific water storage of the municipal government and relevant departments. Since July, the Municipal Meteorological Bureau has strengthened the analysis of weather and climate trends, focused on strengthening the monitoring and rolling forecast of high temperature and drought, and timely release early warning information. At present, a total of 41 high -temperature early warning signals have been released. Meteorological service.

The reporter learned that in order to alleviate the drought, as of currently, the city's meteorological department has updated 7 new types of figure rocket launchers, and Liuyang has added 1 rocket operating vehicle. Ningxiang will also add 5 silver iodide to the smoke in the western mountainous area to release the smoke furnace. There are 500 rockets in Changsha, and the artificial rain and ammunition are prepared.

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