Comparative Analysis of Two Tornado Events over Northern Anhui Province
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Abstract:
An analysis is made of two tornado events in Lingbi and Sixian counties, Anhui Province, by means of the conventional data, NCEP data, intensive observations, and Doppler radar data. The results show: the tornadoes occurred on the left of the low level jet at the intersection point of highhumidity center and vapor convergence center; before tornadoes appeared, the low level vertical wind shear was strong; the tornadoes occurred in the areas where the ground convergence was the strongest; there were clear vortex features and a midlevel cyclone in 10 to 20 minutes before tornado occurred; the Lingbi tornado appeared in the south of the storm with strong radar echoes under 3 km; the Sixian tornado appeared at the center of the banded radar echoes with strong splited and protruded echoes, and the mesocyclone top descended.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.