Just on April 19, Shenzhen issued an orange rainstorm warning. Before the mountain rain, the urban area was covered with dark clouds. It was like walking into a special effects studio. Netizens joked that it was a monster who came to catch Tang Seng. Affected by heavy rain in Guangzhou and other places, the harmony train on Guangzhou Shenzhen line was delayed. So what's the matter with one second dark in Shenzhen? Why does Shenzhen always have heavy rain recently?
It's dark in a second in Shenzhen
Yesterday evening, a new round of rainfall arrived as scheduled. It is estimated that there will be heavy rain to heavy rain in the whole city from today to Sunday (19-21). The heavy rain with daily rainfall exceeding 250 mm is not excluded. This rainfall process is characterized by long duration, strong locality, large accumulated rainfall and strong short-term rainfall. It is necessary to focus on the prevention of heavy rainfall, thunderstorm, gale, geological disasters, waterlogging and other derivative and secondary disasters.
weather forecast
In the next three days, there will be thunderstorms and short-term gales of about magnitude 8
Around yesterday evening, it began to rain in Shenzhen. At 17:55, Shenzhen meteorological station extended the rainstorm yellow warning signal to the whole city, and the whole city entered the rainstorm alert state. According to the weather forecast, it is expected that there will be heavy rain to torrential rain, thunderstorm and gale in Shenzhen from today to Sunday (19-21). The strongest rainfall is from early morning to night, with the maximum hourly rainfall intensity of 70-90mm.
Statistics show that since April this year, the rainfall in Shenzhen has been the same as that in the same period, but it has been frequent since the middle of this year. As of 10 o'clock yesterday, the city's average accumulated rainfall was 75.7mm, 99% more than that in the same period in the middle of April in recent five years.
Affected by the strong southwest airflow, it is estimated that there will be rainstorm to torrential rain from the 19th to the 21st, with the strongest rainfall from the early morning to the night of the 19th. The rainstorm is characterized by long duration, strong local characteristics, more accumulated rainfall, strong short-term rain, accompanied by thunderstorm and short-term gale of magnitude 8. The main rainfall period is expected to be on the 19th. In addition, it is expected that the strongest period of rainfall will be from the early morning of the 19th to the night, so it may have a serious impact on the morning of the 19th.
Weather analysis
Why does Shenzhen always have heavy rain recently
Why does Shenzhen always have heavy rain recently? Shenzhen meteorological station experts said that in the context of El Nino, extreme weather occurs frequently. El Nino refers to the phenomenon that the sea water in the eastern and central part of the equatorial Pacific continues to be abnormally warm.
Affected by the El Nino event, Shenzhen has been characterized by early flood season, concentrated rainfall, severe convection and strong short-term rainfall since this year. As of April 15, the city's accumulated average rainfall was 80% higher than that of the same period last year. Rainfall mainly concentrated in early March and mid April. Among them, heavy rain and local rainstorm occurred on March 5, which reached the standard of meteorological flood season, 46 days earlier than the average flood season date (April 20); strong convective weather process occurred at night on April 11, with local extremely short-term heavy rain, accompanied by strong thunderstorm, short-term gale of magnitude 8-9 and local hail; the first large-scale rainstorm and local heavy rain occurred on April 12. Affected by the El Nino event and the strong monsoon in the South China Sea, it is estimated that the flood season in 2019 will be a year with heavy meteorological disasters in Shenzhen. In the first flood season, the weather in Shenzhen will be characterized by strong convection, strong dragon boat water, strong rainstorm and concentrated heavy rainfall. There will be about three thunderstorms, gales or squall lines from April to May.