cyclonic lows or cold core lows aloft like the 1 we have produce alot of lighting...you have temps about -10 to -15C high in the atmosphere while temps in the lower levels are in the 70s with humid moist conditions. The updraft is really strong producing these high cloud tops. This also produces hail...and its very common with cold core systems aloft... this mainly happens over the plains!
If this was tropical in nature...it would be warmer aloft...thus not producing hail...and alot less lightning.
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