5Nikolai D,Rabin R M, Carey L D, et al. Lightning activity related to satellite and radar observations of a mesocale con- vective system over Texas on 7 - 8 April 2002 [ J ]. Atmos- pheric Research ,2005,76 : 127 - 166.
9Rutledge S A, MacGorman D R. Cloud-to-ground lightning activity in the 10 - 11 June 1985 mesoscale convective sys- tem observed during the Oklahoma-Kansas PRE-STORM Pro- ject[ J]. Mon Wea Rev,1998 ,116 :1393 - 1408.