Natural phenomena

3. a large, destructive fire that spreads quickly over woodland
8. a violent atmospheric disturbance in which the air is highly charged with static electricity, causing a storm.
9. a mass of mud and other earthy material that is falling or has fallen down a hillside or other slope.

1. a mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system
2. a widespread occurrence of an infectious disease in a community at a particular time.
4. a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
5. a storm with a violent wind, in particular a tropical cyclone in the Caribbean.
6. a long high sea wave caused by an earthquake, submarine landslide, or other disturbance.
7. an overflowing of a large amount of water beyond its normal confines, especially over what is normally dry land.