Abstract
AbstractHigh resolution mesoscale model WRFV3.4.1 is used to simulate the deep convective process during TWP‐ICE. Simulation data from the forth nested domain outputted every five minutes is employed to analyze the characteristics of an updraft mass flux profile and the trajectories of convective transportation with the FLEXPART Lagrangian dispersion model. Analyses of Lagrangian characteristics of hydrometeor transportation and mass flux vertical variation show that around the top of conditional instability, some hydrometeor has been detrained from the deep convective system. Convective hydrometeor is conveyed by steering current from the deep convective system to their downstream. However, influenced by low level wind disturbance, some hydrometeor is also conveyed to upstream. The largest distance over which the hydrometeor is transported from the deep convective system to the downstream is about 200∼300 km. About 10%∼20% of the hydrometeor has an important influence on the anvil area 50∼150 km downward from the deep convective system, of which the time scale is 4∼6 hours.
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