2024-04-28 05:49:00
Clip Cr.Channel C HK
Foreign news agencies reported that a large tornado struck a neighborhood in Guangzhou. Guangdong province, southern China This left 5 dead and 33 injured.
Yesterday afternoon (April 27, 2024), the local weather bureau reported that As of noon on Saturday Hail and tornadoes occur in Guangzhou Followed by moderate to severe thunderstorms and heavy rain. Including short-term strong winds and intense lightning.
“Severe convective weather conditions are expected to continue to occur frequently in the city in the coming days. Saturday afternoon A powerful convective cloud system entered Guangzhou. Later, he moved to Renhe Town (Liangtian) and Zhongluotan Town. (Zhongluotan) in Baiyun District, which lasted about 40 minutes.
Meanwhile A tornado occurred near Renhe Village. In Zhongluotan Town of Baiyun District The local weather station recorded a maximum wind speed of 20.6 meters per second. It is approximately 2.8 kilometers from the tornado location.
A preliminary study of the tornado’s impact path was conducted. Covering a distance of approximately 1.7 kilometers, the maximum width of the impact was approximately 280 meters, according to preliminary estimates. This tornado was rated as extremely intense. Equivalent to an EF2 tornado on the Fujita scale.
Local authorities explain the cause of the Guangzhou tornadoes that in a while The flow of warm and humid air from the southwest of the South China Sea continued to strengthen. As a result, Guangzhou receives a lot of humidity and energy. This leads to prolonged periods of high temperature and humidity. This results in atmospheric instability near the surface as well as significant unstable energy accumulation.
Saturday morning Warm, moist air currents near the surface continue to intensify. Many observing stations recorded unusually high absolute humidity levels.
Additionally, during the day on Saturday water flowing from low levels strengthened, intensifying the “lower warm, upper cold” layer, creating favorable conditions for tornadoes and hail, as wind shear from 0 to 6 km facilitates the formation of tornadoes and hail. Causes tornadoes and hail with speeds above 25 m/s.
Finally, the convergence of mesoscale terrestrial convergence lines and the advection of altitude fluctuations create conditions that induce strong upwellings. This leads to the violent development of tornadoes.
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