angry
arizona
atmosphere
atmospheric
bolt
bolts
bright
danger
dangerous
dark
discharge
disturbance
electric
electricity
flash
ground
high
kitt
lightning
monsoon
mountaintop
national
natural
nature
night
observatories
observatory
peak
purple
rain
raining
sky
static
storm
storms
strike
strikes
striking
sudden
summer
telescope
thunder
trees
violent
voltage
weather