Thermodynamic Conditions of A WarmZone Heavy Rainfall Event
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Abstract:
By using the data from automatic ground stations, radar and NCEP reanalysis，the causes and thermodynamic conditions of a heavy rainfall event occurred in the centralsouthern Fujian on 19 April 2009 are analyzed. The results show that there were active mesoscale rain bands during this process; the mesoscale convergence zone at ground was a direct influencing factor; the southwest lowlevel jet provided water vapor for the occurrence and development of strong convection in the warm zone; the lowlevel warm air advection and highlevel cold air advection made unstable energy built up, and provided necessary energy for convection to develop.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.