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Typhoon Atsani forms as Narra suspends trains in Guangxi: Why is typhoon activity unusually high this year?_我的网站

一 |

China's National Commission for Disaster Prevention, Reduction and Relief and the Ministry of Emergency Management activated a Level-IV national disaster relief emergency response for South China's Guangxi Zhuang Autonomous Region on Monday after Typhoon Narra, the 19th typhoon of this year, caused severe flooding in the region that led to passenger train suspensions. A working group was sent to the affected areas to assess damage and assist with evacuations, resettlement and basic relief efforts, China Central Television (CCTV) reported on Monday.
The China Meteorological Administration raised its emergency response for major weather disasters, including typhoons, torrential rain and severe convective weather, to Level III at 11:50 am on Monday.
China's National Meteorological Center (NMC) continued to issue a yellow alert for rainstorm and a blue alert for typhoon at 6 am on Monday, forecasting torrential rainfall in parts of coastal regions as well as Liaoning and Heilongjiang provinces. The rainfall on Taiwan Island is forecast to reach 250 to 300 millimeters between Monday morning and Tuesday morning, CCTV reported.
Typhoon Narra was located over the Beibu Gulf about 185 kilometers west-southwest of Beihai, Guangxi, at 5 am on Monday, with maximum winds of 23 meters per second near its center.
It is expected to linger over the Beibu Gulf and strengthen to severe tropical storm, with winds of up to 25 to 28 meters per second. From Monday night, it will turn northward and move at 5 to 10 kilometers per hour toward the coast from Guangxi to western Leizhou Peninsula in South China's Guangdong Province.
Meanwhile, Typhoon Atsani, the year's 21st typhoon, formed Monday morning. Its center was located about 1,970 kilometers east-southeast of Taipei of the Taiwan Island at 8 am, and is expected to move north-northeast at 15 to 20 kilometers per hour, with little change in its strength, CCTV reported.

Due to the impact of Typhoon Narra, Ningming county in Guangxi is forecast to see moderate to heavy rain and locally torrential rain from Wednesday to Thursday. In response to typhoon, heavy rainfall and flood warnings, multiple passenger train services have been suspended from Sunday to Thursday, according to CCTV.
According to Zhang Ling, a chief weather forecaster at the NMC, Typhoon Narra remains stalled over the Beibu Gulf as several surrounding weather systems compete to steer the storm, with none dominant. Meanwhile, warm waters and abundant monsoon moisture are helping Typhoon Narra persist, bringing prolonged rain and strong winds to southern China's coast, the Beibu Gulf and the northern South China Sea.

On Saturday, Fangchenggang in Guangxi recorded a maximum accumulated rainfall of 404.9 millimeters. As more rain is expected in Guangxi and other areas, attention should be paid to the cumulative effects of prolonged rainfall, with southern Guangxi facing heightened risks from heavy cumulative rainfall and intense short-duration downpours, Zhang told the Global Times on Monday.
According to Ma Jun, director of the Institute of Public and Environmental Affairs, 21 typhoons have formed over the western North Pacific and South China Sea this year, nine more than the historical average for the same period.
The surge in activity is closely related to the current super El Nino conditions. During an El Nino event, hurricane activity in the Atlantic tends to be suppressed, resulting in fewer storms, while typhoon activity in the western Pacific tends to increase. The number of typhoons formed so far this year is consistent with the typical pattern of typhoon activity during an El Nino year, Ma told the Global Times on Monday.
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二 | 中央气象台监测显示,截至23日早晨,本轮南方强降雨在广西东部、广东中北部等地的累计降雨量达到200~350毫米,广东肇庆、清远、韶关、广州、惠州等局地雨量400~519毫米;19日至22日期间,广东有10余个国家气象观测站日雨量突破4月历史极值。 预计今明两天(4月23日至24日),江南、华南等地的强降雨范围较前期有所缩小,但广东南部沿海、广西东北部等地部分地区仍有大到暴雨、局地大暴雨,建议公众持续做好灾害防御,避免进入地质灾害易发区,警惕持续降雨可能引发的山洪、滑坡、泥石流等次生灾害。

三 | 24日夜间起,华南地区雨势将再度加强,暴雨区覆盖广东大部地区,部分地区累计雨量或突破250毫米。 另外,过去一天,北京南部、天津、河北东部和南部、辽宁西部等北方地区出现明显降雨,上述部分地区出现8级以上雷暴大风、冰雹等强对流天气。预计今天白天至夜间,内蒙古东南部、辽宁西部、辽东半岛、山东北部等地部分地区有中到大雨,局地并伴有雷暴大风或冰雹等强对流天气。请上述地区公众及时关注当地气象部门发布的预报预警信息,出行注意防雷避雨,室内活动应关好门窗。 国内未来三天具体预报 4月23日08时至24日08时,内蒙古东南部、辽宁西部、辽东半岛、西藏东部、福建东部、川西高原南部、广东中南部、广西东南部、台湾岛大部等地部分地区有中到大雨,其中,西藏东南部、广东南部、台湾岛西部等地局地有暴雨或大暴雨。新疆东部部分地区有4~6级风,其中,新疆北疆北部局地有6~7级风(见图2)。

四 | 内蒙古中部、宁夏北部、陕西中北部、山西、河南西部等地有扬沙或浮尘天气。 4月24日08时至25日08时,西藏东南部、湖南南部、江西南部、福建南部、四川南部、云南西北部、贵州中东部、广西北部和东部、广东、台湾岛大部等地部分地区有中到大雨,其中,广西东北部、广东西北部和东南部、台湾岛西部等地局地有暴雨或大暴雨(100~130毫米)。

五 | 内蒙古东北部、新疆北疆北部和南部、青海北部、湖北南部、川西高原南部和四川盆地西北部等地部分地区有4~6级风,其中,新疆南疆盆地和东部等地局地有6~7级风。 4月25日08时至26日08时,新疆沿天山地区和伊犁河谷、江淮、江南大部、华南大部等地部分地区有中到大雨,其中,广西东南部、广东大部、江西西北部、福建东北部等地部分地区有暴雨或大暴雨(100~240毫米)。内蒙古中部和西北部等地部分地区有4~6级风,其中,新疆北疆北部部分地区有6~7级风。

六 | (中国小康网综合中央气象台)。
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