Traditional Culture Encyclopedia - Weather forecast - The maximum wind force of Suzhou tornado reached 17, causing many casualties.
The maximum wind force of Suzhou tornado reached 17, causing many casualties.
As of 5: 00 on June 5438+05, the search and rescue was over. According to statistics, the disaster * * * caused four deaths (1 person died on the spot, two died after being rescued, 1 person was found missing and sent to hospital for treatment), 19 people were slightly injured (none of them were life-threatening), and 130 people were slightly injured (went home after being treated by the hospital). 84 damaged farmers, the damaged area 1500 square meters; There are 0/7 damaged enterprises/kloc, and the damaged area is13000m2. Other parts of Suzhou were not affected.
At present, power supply has been restored in some local power outage areas, and the order at the scene has basically returned to stability.
The formation of tornadoes can be divided into four stages:
1, the instability of the atmosphere produces a strong updraft, which is further strengthened due to the influence of the maximum transit airflow in the rapids.
2. Due to the interaction with the wind with shear speed and direction in the vertical direction, the updraft begins to rotate in the middle of the troposphere, forming a mesoscale cyclone.
3. With the development and upward extension of mesoscale cyclone to the ground, it becomes thinner and stronger. At the same time, a small area to strengthen cooperation is formed inside the cyclone, that is, the primary tornado, which produces the same process as the cyclone and forms the tornado core.
4. The rotation of tornado core is different from that in cyclone, and its intensity is enough to make tornado extend to the ground. When the developing vortex reaches the ground, the ground air pressure drops sharply and the ground wind speed rises sharply, forming a tornado.
According to the above contents, the maximum wind force of xiaoxiang morning herald-Suzhou tornado reached 17, resulting in 4 deaths.
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