Thermodynamic Conditions Favorable to Superlative Thunderstorm Updraft, Mixed Phase Microphysics and Lightning Flash Rate

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The atmospheric global electric circuit : An overview (2007, background): “Recently, Williams et al. (2005) have discussed in detail the physical mechanisms and hypotheses linking temperature and thermodynamics with lightning and global circuit.”
The Chisholm firestorm: observed microstructure, precipitation and lightning activity of a pyro-cumulonimbus (2006, result): “This observation supports the hypothesis of Williams et al. (2005), who proposed that (1) the flash rate increases with increasing updraft speed and (2) inverted polarity in thunderstorms (leading to positive lightning) is the results of a high liquid water content in the mixed phase region of the…”
Aerosol impact on the dynamics and microphysics of deep convective clouds (2005, background): “CCNs with rCCN > ∼1 μm give rise to the formation of large droplets that foster raindrop formation at lower levels (e.g. Yin et al. 2000; Rosenfeld et al. 2002; Segal et al. 2004).”
The global lightning-induced nitrogen oxides source (2007, background): “Also an elevated cloud base height has been identified to support transfer of CAPE to updraft energy in thunderstorms causing strong updrafts, high lightning flash rates and high lightning yields (Williams and Stanfill, 2002; Williams et al., 2005; Jayaratne and Kuleshov, 5 2006).”