How many days in advance will floods begin in Guangzhou due to heavy rain?
Guangdong, which has been shy about rain this year, broke out. From the morning of the 18th to the 19th, heavy to heavy rains occurred in many places in Guangdong. Affected by heavy rainfall, floods began in Guangzhou on March 18, 19 days earlier than normal and the second earliest since 2001.
The details are as follows: From the morning of the 18th to the 19th, heavy to heavy rains occurred in Guangzhou, Foshan, Zhaoqing, Qingyuan, Zhanjiang, Maoming, Yangjiang, Yunfu and other cities.
"The rainfall will be more obvious around the 19th", "The rainfall will be more obvious from the evening of the 18th to the 19th, please pay attention to precautions", "The local area may be accompanied by convective weather such as thunder and lightning and short-term heavy precipitation"...more The rainy and foggy weather of the day enveloped Yangcheng. On the afternoon of the 18th, strong thunderstorm clouds approached Guangzhou as scheduled. Around 16:00, various districts in Guangzhou successively issued the first blue warning signals for thunderstorms and strong winds this year. From 17:00 to 19:00, strong thunderstorms and strong winds swept across most areas in central and northern Guangzhou from west to east. Although the wind and rain subsided, the precipitation continued until the day of the 19th. Fenghuang Street in Tianhe District, Guangzhou recorded the province's maximum rainfall of 114.8 mm (heavy rainstorm level), successfully achieving the largest rainfall this year. , the title of the most intense precipitation process.
According to statistics from the Guangzhou Meteorological Department, from the afternoon of the 18th to the noon of the 19th, 78% of the city's monitoring stations recorded precipitation of heavy rain or above, of which 45% reached the level of heavy rain. During the process, the Guangzhou Meteorological Department issued 9 blue warning signals for thunderstorms and strong winds, and 6 yellow warning signals for heavy rain.
This precipitation process directly caused more than half of the daily rainfall at the city’s flood monitoring representative station to reach the flood standard. Guangzhou entered the flood season on March 18, 19 days earlier than normal (April 6). It is the sixth earliest since 1961 and the second earliest since 2001, second only to March 5, 2009.
The rain is not over yet. According to the forecast of the meteorological department, due to the influence of southerly airflow, rain and fog will remain today and tomorrow, and the intensity of precipitation will weaken; there will be another significant precipitation and strong convective weather process on the 22nd and 23rd. There will still be heavy to heavy rain in many places over the weekend.
The meteorological department reminds that Guangdong has gradually entered the rainy season and a period of high incidence of strong convection. Meteorological experts remind that the flood season is a period of concentrated precipitation, and it is also a period of frequent occurrence of strong convection such as lightning, heavy rain, and strong winds, and in spring The weather changes rapidly. The general public is requested to pay close attention to the latest forecast and warning information issued by the meteorological department and take preventive measures in a timely manner. It has been rainy and foggy recently, with low visibility. Pay attention to traffic safety and slip and moisture prevention. Pay attention to preventing landslides and landslides caused by continuous heavy rainfall. Geological disasters such as mudslides.
Weather forecast
On the 20th, cities and counties in northern Guangdong will be cloudy with moderate to heavy rain, while other cities and counties will be cloudy with light rain and local moderate rain. There is (light) fog in most of our province.
On the 21st, most cities and counties in our province were cloudy with light rain and (light) fog.
On the 22nd and 23rd, there will be another significant precipitation and strong convective weather process from west to east in our province.