A storm with thunder and lightning and usually very heavy rain.
Thunderstorm
15
A set of changes in the weather system near the coast of northern Peru and Ecuador that happens every few years, causing the surface of the Pacific Ocean there to become warmer.
El Nino
15
The cooling of the water in the central and eastern Pacific Ocean that happens every few years and that affects the weather in many parts of the world.
La Nina
15
The process of getting coal and other mineral from under the ground.
Mining
15
A natural or artificial, where water is stored before it is taken by pipes to houses, etc.
Reservoir
20
A violent storm with very strong winds which move in a circle.
Tornado
10
Having little or no rain; very dry.
Arid
20
A river or steam that flows into a larger river or a lake.
Tributary
25
A way or track that has a curving and twisting shape.
Winding path
15
A factory or place where electricity is produced or takes place.