​The long-term sum of weather in an area.

​​climate

​The state of the atmosphere at a specific time and place.

​​weather

​Phase change from liquid to gas.

​​evaporation

​Phase change from gas to liquid.

​​condensation

​Phase change from solid to gas.

​​sublimation

​Phase change from gas to solid.

​​deposition

​The energy absorbed or released during a phase change that happens without changing the temperature.

​

latent heat

A large body of air with nearly uniform temperature, humidity, and therefore density throughout.

​​air mass

​The boundary between air masses of different densities.

​​front

​Huge rotating masses of high-pressure air.

anticyclone

Huge rotating masses of low-pressure air; storm system.

cyclone

​The most dangerous part of a tropical cyclone; dome of water lifted by the low-pressure center of the storm that moves onshore.

storm surge