Since entering high water this year, precipitation of and other places of our country Hua Na, Changjiang Delta is ceaseless. Since June 20, precipitation grows in intensity, central observatory again " pull noisy " rainstorm early-warning. Be aimed at continuously the problem such as trend of development of weather of key of the influence that precipitation brings, flood prevention, tomorrow, the reporter interviewed rainstorm to affect apparent province recently, the expert of branch of atmosphere of and other places of Fujian, Jiangxi, Hunan, Guangdong, Guangxi.
Reporter: Early days here the circumstance of precipitation how?
Guangdong: Early days, guangdong appeared big range is durative strong precipitation process. Appeared early or late to county of 14 days of major city on June 9 the precipitation of rainstorm level above, river source, Guangzhou, beautiful closes, benefit city and other places still appeared especially big rainstorm. The process since June 20 is had " wide, time grows limits, intensity is strong " characteristic. 22 days arrive 24 days, beautiful closes, clear the partial city county of end of city of far, river source, Meizhou, Guangzhou, benefit, luxuriant name, Shan appeared rainstorm, bureau ground big rainstorm, the others is major city county appeared moderate rain, local heavy rain, bureau ground appeared 10 class of 8 ～ thunderstorm gale.
Guangxi: Guangxi entered high water on April 4 this year, shift to an earlier date 19 days than in former years. Come by May the middle ten days of a month appeared 3 times in June process of strong precipitation weather, it is to came 30 days on May 25 respectively, came 12 days on June 5, came 17 days on June 15. In process of weather of these 3 strong precipitation, the section that especially big rainstorm produces compares concentration, precipitation period of time is centered; Strong precipitation basically happens in nightly, increased to avoid risk difficulty. Came 24 days on June 22, guangxi appeared to enter strong precipitation process range is the biggest since flood, whole area has occurrence torrential rain of 429 12 city, villages and towns, 142 7 city, villages and towns appear big rainstorm, the biggest rainfall installs a county for Liuzhou city be in harmony elegant precious jade countryside 204 millimeter.
Hunan: Enter since June, hunan encounters strong precipitation " the tactic of several persons taking turns in fighting one opponent to tire him out " , came 10 days on June 5 especially, came 24 days twice on June 20 process, rainfall big, limits wide, intensity is strong, endanger security of people life property. This year since flood season, hunan precipitation basically presents two characteristics. It is precipitation slants continuously much, spatio-temporal distributing not all, came in January precipitation slanted in April much area basically is located in south Hunan area, precipitation basically is in area of north of West Hunan, Hunan centrally since May. 2 it is rainstorm frequency hair. Hunan already appeared 16 times rainstorm process, rainstorm of accumulative total happening 199 counties second, relatively all the year round the corresponding period slants many 44.2 counties second, big rainstorm 30 counties second, relatively all the year round the corresponding period slants many 12.3 counties second.
Sufferred big rainstorm effect on June 22, water level of Xu water river extremely fast rise, cause low-lying a sector of an area of county of riverside of Hunan Province Xu to be immersed by the flood.
Jiangxi: Enter in June advocate since flood season, jiangxi appeared twice process of strong precipitation of successional big range, it is respectively came 10 days on June 6, 21 days come 23 days. Among them 6 days arrive for the strongest this year successive rainstorm to 10 days big rainstorm process. This the process has duration intensity of long, precipitation is big, strong the characteristic with the precipitation area concentration, strong sex that cause disaster. The 2nd times rainstorm process lasts nearly 3 days (60 hours) , strong precipitation is opposite time is shorter. But range of odd-numbered days big rainstorm is bigger, reach 23 nations station, the platoon history that the station counts the 8th perch.
Came 23 days on June 22 nightly, jiangxi the Jinggang Mountains city appears big range rainstorm, partial villages and towns appears big rainstorm. Place concerns dot of hidden trouble of go on a tour of inspection of sectional the same night, help dangerous area masses transfer.
Came 23 days on June 22 nightly, jiangxi the Jinggang Mountains city appears big range rainstorm, partial villages and towns appears big rainstorm. Place concerns dot of hidden trouble of go on a tour of inspection of sectional the same night, help dangerous area masses transfer.
Fujian: Since May 15, fujian already underwent strong precipitation procedure 5 times, every time short, duration grows process time interval, rainfall big, limits sex of wide, extreme is strong. Up to on June 23, save average rainfall completely 1100.3 millimeter, relatively all the year round on the high side of the corresponding period 14.1% . Save 31 counties completely (city, area) accumulate rainfall to exceed 500 millimeter, among them, 19 counties (city, area) accumulate rainfall to exceed 600 millimeter, most greatly Ming Xi county 921 millimeter. Number of day of complete province rainstorm amounts to 16 days, among them Ming Xi, Shao Wu, politics and wait for day of much ground rainstorm to count more than 5 days.
Reporter: Why can you appear duration long, incidence the precipitation process with wide, great strength? How will later period precipitation develop?
Expert: Average and character, arrive about in June the middle ten days of a month, on the west Pacific Ocean is subtropic high-pressured backbone line arrives at north latitude 19 degrees around, and till July the first ten days of a month is maintained in north latitude 25 degrees with south. As a result of on the west Pacific Ocean is subtropic high-pressured north side is the assemble that next austral warm wet air current and middle latitude air conditioning on north shed region, weather system activity is frequent, often form weather of big range strong rainfall.
This year, nanhai summer wind erupts relatively slant apparently all the year round early, whole and circumfluent situation is helpful for the transportation of lunt, add subtropic stability of high-pressured backbone line reachs 20 degrees 18 degrees in north latitude, deputy Gao Bian brings intertropical and marine moisture along southwest air current, hand in with the cold air of frequent activity collect, form better momentum to carry litre of condition, bring about southern region to appear continuously precipitation weather.
Central observatory predicts, hua Na and and other places of ministry of Changjiang Delta southeast will still have strong precipitation. Came 26 days on June 25, south of Hua Na, Changjiang Delta and the eastpart part, Guizhou western, the area has the part of and other places of Yunnan the eastpart part to arrive greatly rainstorm, bureau ground has big torrential rain, bureau ground accumulates rainfall to be able to amount to 100 ～ 200 millimeter. On June 25 8 when to 26 days 8 when, north of ministry of Guangxi the eastpart part and south, wide thing and middle east ministry, Fujian southeast ministry, Zhejiang and the eastpart part ministry of southeast of coastal, Jiangsu and Sichuan south, Guizhou western, the ministry of and other places of Tibetan southeast ministry, bureau ground big rainstorm (140 millimeter of 100 ～ ) , fall of the biggest hour 30 ～ 50 millimeter, bureau ground can amount to 60 millimeter above, accompany have the strong convection weather such as thunderstorm gale.
Reporter: Situation of each district flood prevention is grim, what are flood prevention key, point and pressure respectively? Is likely?
Expert: To Hunan, Guangxi, landform landforms is complex, a network of waterways is densely covered, the brook in be being caused extremely easily because of strong rainfall sheds region flood, mountain torrents, geological calamity, endanger security of people life property. Accordingly, come in flood season when, hunan regards defence as the key flood of catchment of the brook in defence, mountain torrents and geological calamity and urban and rural waterlogging.
Look at present, the river river water level of Jiangxi all is restricted in flood the following, have two big in key reservoir exceeds flood to be restricted. The possibility of flood of sex of Jiangxi occurrence catchment is little. Next flood prevention keys are attention Jiangxi north the strong precipitation procedure that the area may undergo.
And upland to mountainous ground Fujian, connect the rainstorm of recently to invade, need special strengthen geological calamity to monitor be on guard. Sex of geological calamity lag strong, risk is higher, especially inland area, resemble Na Ping, 3 bright, Longyan and other places because day after day rainfall, edaphic saturation, heighten of water level of river, reservoir, the calamity frequency such as coast of body of building collapse, hill, waterlogging is sent.
Fujian although early days river exceeds assure water level, but overall can accuse, water level already dropped, add rain belt Xiang Na to move, won't appear at present so flood of big range catchment.
Click Http://www.cma.gov.cn/2011xzt/2019zt/20190401/2019040102/201906/t20190624_527982.html of page of attention popular science
Reporter: The flood prevention of atmosphere branch and relevant section cooperates, what result to obtain?
Expert: Be in Guangdong, province atmosphere bureau is led early or late on June 22 afternoon, 23 days afternoon, go to province government, province to prevent come or flow together to sign up for atmosphere to monitor forecast to serve a situation 24 days afternoon. Controller of room of relevant business part and expert go to a province to prevent office of total, lash-up government to attend defence deploy meeting for many times. Came 23 days on June 22, release entire network short message to the 10 ground city such as Guangzhou fifty-one million seven hundred and seventy-five thousand.
In Hunan, accomplished since 2019 without fail to report sth of process of weather of one calamity sex. Information of decision-making weather service releases calamity sex weather to be measured ahead of schedule come 3.2 days of 2019 by 2.58 days of promotion 2018, decrease calamity for take precautions against natural calamities decision-making provided scientific basis. This year, those who save atmosphere bureau to signed up for material of sent decision-making weather service to get provincial Party committee is led 6 times early or late is affirmative, fulfilled well " the first line of defence " action.
In Guangxi, municipal atmosphere bureau is farther mix with the lash-up linkage of branch of relevant flood prevention soundly answer a mechanism, active and active wait for butt joint of branch of flood prevention key with lash-up government office, irrigation works hall, rich hall, strengthen information to communicate peace conference business to grind sentence. Begin from June 17, the whole area video that municipal atmosphere bureau attends to run an organization by municipal flood prevention everyday attempers meeting, headquarters of fight a drought of municipal flood prevention undertakes according to weather forecast flood prevention direct attempers, expedite a working group to forecast early-warning key area to strong rainfall, supervise and urge do work of defense of rainfall of eager to do well in everything. Came on June 21 on September 30, municipal atmosphere bureau expedites a staff member to do to municipal flood prevention be on duty the value is defended, strengthen the communication contact that runs office with lash-up.
In Jiangxi, as command post of defense of province atmosphere calamity assistant director grows an unit, province atmosphere bureau attends a province to prevent everyday point to grind sentence attemper, the member that accredit presiding forecast attends combination to be on duty. The branch such as associated irrigation works, rich releases risk early-warning, with the province educational office, traffic hall is released the university entrance exam, medium study forecast early-warning and defence manual. According to 6 hours of rainfall forecast carries out masses of defence rainstorm mountain torrents to change a mechanism, the province is prevented point to early or late 6 times make known to lower levels diverts preparative statement ahead of schedule.
In Fujian, forecast a level definitely to improve essence of life further, province atmosphere bureau strengthens fluctuation linkage, perfect with prevent the information that point to to share mechanism of peace conference business with class. Province observatory and province are prevented point to establish mechanism of hold a conference or consultation, increase frequency of close hold a conference or consultation according to weather situation second, enlarge limits of hold a conference or consultation, adjust defence deploy. Be in the university entrance exam, medium during taking an examination of, the branch such as province atmosphere bureau and education, traffic, public security and each school make good linkage, provided close service for examinee. (Wang Jingtao ever aed man of virtual and ability beautiful of graceful Deng Min makes Yan Huangzi love Hua Mofei Chen Xianchao)
