The fact that the vortex-shaped area in the velocity map had a continuous mesoscale cyclonicflow indicates that the severe storm was a supercell storm.
速度图上涡旋状回波区对应着连续出现中气旋的现象,说明强风暴单体为具有涡旋形态的超级单体;
2
The interaction among the shearing basic flow, cyclonic vortex, and multiple vorticity lumps can change the tendency.