long-lasting high temperatures
heatvawe
when lava shoots out of the volcano
volcanic eruption
a bright flash in the sky
lightning
when snow falls (super difficult...)
snowfall
a huge wave
tsunami
when the ground shakes
earthquake
when water covers the land
flood
when snow moves fast down the mountain
avalanche
when lightning strikes many times (usually with rain and wind)
thunderstorm
strong wind combined with rain
hurricane