Aid worker: Someone who works for an organisation that supplies food and help to victims of a disaster.
Avalanche: A mass of loose snow, ice and rocks that crashes downhill at high speed.
Blizzard: A violent snowstorm.
Cyclone: A violent tropical storm with spinning winds - formed over water, known as a Hurricane in the Northern Hemisphere or Typhoon in Asia
Drought: A long period of dry weather with hardly any rainfall.
Eye: A region of calm air found in the centre of a cyclone, hurricane or tornado.
Hail: Balls of ice formed inside a thunder cloud that fall to the ground and can cause damage.
Humidity: The amount of moisture in the air.
Landslide: A mass of loose earth and rock that slips downhill on a steep slope.
Refugee: Someone who leaves their home after drought, war or natural disaster.
Tornado: A whirling funnel of air that stretches down from a thundercloud - they form over land.
Tropical: Situated in the hot area of the Earth between the tropics and the equator.
Wind: A movement of air from one place to another.