Wu Baojun, Xu Chenhai, Liu Yanying, et al. Applying helicity to analysis of torrential rain over the Changjiang Gorges. J Appl Meteor Sci, 1996, 7(1): 108-112 .
Citation:
Wu Baojun, Xu Chenhai, Liu Yanying, et al. Applying helicity to analysis of torrential rain over the Changjiang Gorges. J Appl Meteor Sci, 1996, 7(1): 108-112 .
Wu Baojun, Xu Chenhai, Liu Yanying, et al. Applying helicity to analysis of torrential rain over the Changjiang Gorges. J Appl Meteor Sci, 1996, 7(1): 108-112 .
Citation:
Wu Baojun, Xu Chenhai, Liu Yanying, et al. Applying helicity to analysis of torrential rain over the Changjiang Gorges. J Appl Meteor Sci, 1996, 7(1): 108-112 .
The helicity was applied to analyse a torrential rain event, which was the heaviest one during 1964~1990, occurred on July 16,1982 over the Changjiang Gorges. The results show that: (1) on the vertical section chart, there was a negative minimum center of the helicity near 300 hPa; and a positive maximum center of the helicity near 600 hPa over the heavy rain area. (2) on the 300 hPa chart, the center negative minimum of the helicity was most close to the center of the main heavy rain area, the distance between them was about 60 km
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