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Rare continuous rainy weather occured in most areas of the Songhua River Basin in June and July in 1991 and there were many heavy .......
Serious flood disasters had occurred in the Di’er Songhua River basin in 1995. The disaster area was mainly concentrated in the F.......
3 times large range of rainfall occurred in the Nenjiang River Basin in mid and late August 1969. The upstream alliance station o.......
Wind shear is an important risk factor for aircraft taking off and landing, which can easily lead to accidents. On September 16, .......
The formation of tornadoes is generally related to the sever convection caused by the heat of local area of the upper and lower re.......
If a tornado occurs on the surface of the water, then it is known as waterspout. If it happens on land, it is called a landspout. .......
A tornado is strong wind vortex with a high-speed rotatry funnel-shaped cloud cloumn caused by the intense convection of the air.......
There have been tornadoes in every land country and the United States has the largest number of tornadoes. There are also many op.......
Wind shear is a natural atmospheric phenomenon. It is a sudden change in wind speed in both horizontal and vertical directions. W.......
Windshear is very harmful to the air flight. In the process of take-off and landing, wind shear can be a lot of influence on airc.......
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