Beijing ushered in the strongest rainfall since the flood season this year. The rainfall will affect the morning peak travel. 679 bus lines have formulated temporary operation plans, and the subway has added Linke

  After the end of a round of high temperature weather in Beijing, heavy rainfall appeared.

According to the forecast of the Beijing Meteorological Observatory, affected by the low vortex system, there will be a regional heavy rain in the Beijing-Tianjin-Hebei region from June 26 to 27. Heavy rain and local heavy rain will occur in most parts of Beijing, accompanied by thunder and lightning and short-term windy times.

Yesterday morning, the Beijing Meteorological Bureau issued a blue warning signal for heavy rain.

  Rain expected to end this morning

  On the morning of June 26, Beijing issued a blue rainstorm warning. It is expected that from 17:00 on the 26th to 14:00 on the 27th, there will be heavy rain in most parts of Beijing, heavy rain in the eastern region and shallow mountainous areas, and small and medium-sized rain induced by heavy precipitation in mountainous areas and shallow mountainous areas. The risk of secondary disasters such as river floods, mountain torrents, and geological disasters is relatively high, and water accumulation is likely to occur in low-lying urban areas.

  According to the Beijing Meteorological Bureau, at around 18:50 on the 26th, the radar detected that the rain echo has reached the Daxing area, and the rain will affect the whole city from south to north.

  You Huanling, chief service officer of the Beijing Meteorological Service Center, said that during the day yesterday, the cold vortex system that affects rainfall has brought significant rainfall to Shandong, Hebei, Tianjin and other places.

After nightfall on June 26, affected by the peripheral airflow on the north side of the low vortex, there will be rainy weather in Beijing from south to north.

"The first areas to experience rainfall may be the piedmont areas of Fangshan, Mentougou, and Changping. The rainfall in the first half of the night is relatively concentrated in the piedmont, and the southern area is also more obvious."

  She further explained, "From the evening to the first half of the night on the 26th, citizens in urban or northern areas may not feel the impact of the rainfall. The rainfall process has a time difference in different spaces, and everyone feels different."

  According to the statistics of the Beijing Meteorological Observatory, from 18:00 to 23:00 on the 26th, the average precipitation in the city was 0.8 mm, and the average precipitation in the urban area was 0.7 mm. The maximum precipitation in the urban area occurred in Fengtai Yungang, which was 15.0 mm. Mentougou Tanzhe Temple is 17.8 mm. The maximum hourly rain intensity occurred at Mentougou Tanzhe Temple, and 16.4 mm of rain fell from 21:00 to 22:00.

  Rain is expected to end this morning.

"Rainfall may have a greater impact on travel during the morning peak. If the rainfall is relatively heavy, special attention should be paid to traffic safety and lightning protection to avoid rain." You Huanling said.

  The rainfall process is accompanied by obvious convective weather

  Zhang Linna, chief forecaster of the Beijing Meteorological Observatory, said that this is the strongest rainfall process since the flood season this year. Most of the previous rainfall was in the moderate rainfall level. In terms of precipitation, this is the strongest rainfall process we have predicted since the flood season this year." Zhang Linna said.

  This rainfall process is accompanied by obvious convective weather.

"The main precipitation time is from the middle of the night on the 26th to the morning of the 27th, accompanied by convective weather, which means that the rain intensity is relatively large in a short period of time. If everyone encounters a short period of heavy rainfall, they should avoid it in time and minimize travel." Zhang Linna introduced.

  You Huanling reminded that the heavy rainfall was also accompanied by strong winds.

"A relatively strong gust appeared at night on the 26th. It is predicted that there will be a northerly wind of magnitude 4 or 5 during the day on the 27th. Everyone should be prepared for wind protection and stay away from tall and temporary buildings."

  Li Chen, the chief service officer of the Beijing Meteorological Service Center, reminded that in order to deal with the epidemic prevention and control work in Beijing recently, there are many temporary outdoor structures, which are easily affected by strong convective weather such as heavy rainfall, thunderstorms and strong winds. Relevant departments are requested to take emergency measures to reduce The impact of heavy rainfall on epidemic prevention work.

When the public is queuing up for nucleic acid testing, pay attention to lightning protection, rain protection and wind protection.

  According to the official website of the Beijing Municipal Emergency Management Bureau, the Beijing Municipal Commission of Planning and Natural Resources and the Municipal Meteorological Bureau jointly issued a geological disaster meteorological risk warning at 12:00 on the 26th.

From 14:00 on June 26 to 14:00 on June 28, the risk of geological disasters such as collapses and landslides occurred in the northeastern part of Pinggu District, eastern Mentougou, and northwestern Haidian (yellow warning); the northwestern and central parts of Pinggu and the eastern part of Miyun , Central Huairou, western and northern Changping, western Haidian, western Shijingshan, western Fengtai, eastern Mentougou, and central Fangshan are at risk of collapse, landslides and other geological disasters (blue early warning). Relevant departments are requested to strengthen monitoring and take precautions.

  ■ Cope

  Metro extends morning rush hours

  In response to the possible impact of rainfall on today's morning rush hour, flexible and effective scheduling measures have been adopted in public transportation to strengthen the operation organization and order monitoring of routes during peak hours.

The public transport group has arranged for 230 motorized transport capacity to be put into operation at any time. The subway company’s lines have added 60 links to extend the operating hours in the morning peak. Anti-slip mats and warning signs have been laid in subway stations to ensure passenger service.

  At the same time, the bus group has targeted the sunken overpasses, low-lying road areas and key road sections in mountainous areas prone to landslides and debris flows, more than 460 water-prone road sections and 679 bus lines that may be greatly affected by this rainfall. , study and determine the temporary operation plan.

In the event of stagnant water, temporary dispatching measures for rainy days such as detours and station dumping will be taken immediately to ensure the safety of citizens.

  In order to ensure the safety of rail transit operations, each rail operating enterprise strengthens the inspection of facilities and equipment for the station squares and low-lying points without pipelines, and does its best to reduce the impact on rail operations.

In response to the windy weather, the rail operating companies conduct uninterrupted inspections of the track ground lines and elevated lines, and adopt the manual driving mode during the rainy season to reduce the speed and strengthen the lookout to ensure the safety of the track operation.

  All highway operation enterprises and maintenance units have pre-set forces in advance for key points such as sunken overpasses, drainage pumping stations, and road sections prone to stagnant water. The highway has arranged 2,339 emergency personnel and 861 sets of machinery and equipment.

For 51 hidden danger points of highways at or above the county level, the requirements of "one location, one plan" have been fully implemented, and dynamic hidden danger investigation and on-duty care have been strengthened.

  Expressway starts first-level backup

  In order to do a good job in traffic protection for heavy rainfall weather, the first maintenance company started the first-level backup at 12:00 on June 26, and 4 flood control rescue teams (17 rescue teams) were distributed in various areas of Beijing, responsible for 19 expressways 934. km of flood control work.

The 14 pumping stations can be put into operation at any time, and their drainage capacity is 31 cubic meters per second to ensure the normal drainage of the 14 deep groove sections.

At the same time, more than 1,100 flood control emergency personnel were arranged to ensure the flood control work for key and difficult points such as 35 water accumulation points on expressways, 47 key flood control points, 10 rock-falling landslides, and 20 high reinforced soil slopes.

  Equipped with 58 sets of various types of emergency drainage pumps, the emergency drainage capacity of which can reach 9160 cubic meters per hour; 138 sets of various types of flood control and rescue machinery and equipment to ensure that they can be put into use at any time; life jackets, woven bags, straw bags and other flood control materials are prepared adequate.

  The first maintenance company will also comprehensively improve the flood control and drainage capacity through the intelligent, automated, and information-based three-dimensional monitoring system of the pump station; Video surveillance + vehicles" patrol method, 24-hour uninterrupted screen patrol and patrol; through technical means to improve flood control efficiency and enhance the ability to cope with heavy rainfall.

  According to the relevant requirements of the Municipal Flood Control Office, when the water on the road reaches 20 cm, an early warning will be activated immediately; once the accumulated water reaches 27 cm, measures to close the expressway will be taken immediately, vehicles will be prohibited, and the road U-turn valve will be opened to strengthen the remote diversion. Evacuate, quickly evacuate stranded vehicles, and prevent vehicles from being flooded.

  25 rainwater pumping stations free up storage space

  On the afternoon of June 26, the Beijing Water Affairs Bureau and the Beijing Meteorological Bureau issued two risk alerts in succession, reminding citizens to pay attention to the risk of waterlogging and mountain torrent disasters.

From the point of view of waterlogging risk points, Fengtai and Tongzhou districts have slightly obvious water accumulation risks; Chaoyang, Dongcheng, Haidian, Shijingshan, and Xicheng districts have local water accumulation risks.

  The reporter learned from the special sub-index of water flood control that in response to this round of heavy rainfall, on June 23, 24, and 25, the Beijing Water Affairs Bureau held a flood control chamber of commerce for three consecutive days to study and judge the risk of flooding, deploy rainfall response, and issue strong measures. The notice of rainfall response work puts forward requirements for monitoring, forecasting and early warning, flood scheduling, engineering operation guarantee, material team preparation, mountain flood disaster prevention and waterlogging prevention.

  At the same time, a special forecasting class was launched to carry out rolling forecasts of floods, mountain torrents and waterlogging according to rainfall forecasts, and prepare for the issuance of flood warnings and warnings of mountain torrents and waterlogging risks.

The emergency monitoring team is on duty to prepare for emergency monitoring.

  The Water Flood Control Special Project formulated in advance the forecast and dispatch plans for large and medium-sized reservoirs such as Miyun Reservoir, Huairou Reservoir, and Haizi Reservoir, as well as major river channels such as Chaobai River and North Canal. The Liangshui River pre-drainage was dispatched, and 25 rainwater pumping stations emptied the previous rainwater in advance to free up storage space.

In addition, 11 reclaimed water plants and Lugouqiao Sewage Treatment Plant increased pumping treatment to reduce liquid level and capacity.

  More than 5,000 people in the water affairs system are ready for various preparations. They are equipped with personnel and materials and equipment at key defense positions, pay close attention to changes in rainfall and water conditions, and make comprehensive preparations for rainfall response, flood control, and water accumulation.

  Beijing News reporter Wang Jingxi Pei Jianfei Wu Tingting