Is the Earth in Danger?

Over the warm parts of oceans. Tornadoes are common in partsof the USA, Australia and Japan.

The water evaporates from the warm sea. This condenses in the atmosphere. More and more hot, wet air rises up. It becomes a strong wind.

Scientists can usually track hurricanes, but they cannot stop them.

Tropical storms with strong winds. They start at sea, and can travel a long distance. They have different names in different places: 'hurricanes' in the Atlatic Ocean, 'typhoons' in the Pacific Ocean, 'tropical cyclones' in the Indian Ocean and around Australasia. Tornadoes or whirlwinds, are similar, but begin over land.

They can affect ships, blow down houses, cause floods and disrupt traffic.

... is one of the names of cyclonic storm that forms over the oceans. It's caused by evaporated water that comes from the ocean. Typhoon is another name for it.

... are the result of prolonged rainfall from a storm, rapid melting of large amounts of snow, or rivers which rise up their levels of water.

... is a phenomenon that results from a sudden release of stored energy thatradiates seismic waves. It shows itself by a shaking of the ground.

... is a wave of water caused by the displacement of a body of water. It can be caused by undersea earthquakes or by meteorological phenomena.

... is defined as an acute shortage of water and crop failure. It's an abnormally dry period when there is not enough water to support water needs.

... is the point in which a volcano is active and releasesits power, and the eruptions come in many forms.

... is an uncontrolled fire burning in wildland areas. Common causes include lightning and drought but they may also be started by human carelessness.