1
the occurrence of a natural electrical discharge of very short duration and high voltage between a cloud and the ground or within a cloud, accompanied by a bright flash and typically also thunder.
2
a severe snowstorm with high winds and low visibility.
3
a prolonged period of abnormally hot weather.
4
a prolonged period of abnormally low rainfall, leading to a shortage of water.
5
a mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system.
6
a loud rumbling or crashing noise heard after a lightning flash due to the expansion of rapidly heated air.
7
an overflowing of a large amount of water beyond its normal confines, especially over what is normally dry land.
8
a violent disturbance of the atmosphere with strong winds and usually rain, thunder, lightning, or snow.