Water Cycle
Any form of water that falls to Earth's surface
Precipitation
Amount of water vapor in the air
Humidity
A large volume of air that has the same temperature and humidity throughout
Airmass
electrical discharge
lightning
Movement of water between the atmosphere, land, oceans and even living things is called...
The water cycle
The force of air molecules pushing on an area
Air pressure
In a low pressure system, the molecules are ...
farther apart (Temp= warm)
destructive rotating column of air
tornado
Change of state from a liquid to a gas
Evaporation
High pressure fronts (systems) are generally _______ than the weather in front of them
cooler
The sun heats the Earth primarily at the __________ where the Earth is heated unevenly.
Group of thunderstorms that build over warm ocean water
Hurricane
Change of state from a solid to a gas
Sublimation
Temperature at which more condensation occurs than evaporation
Dew point
In the winter months the polar jet stream moves further south causing ______ temperatures
cooler
Hurricane is created over
warm ocean water
Change of state from a gas to a liquid
Condensation
Uneven heating of the Earth causes this to occur
Wind
This type of current brings warm air or water up and pushes cooler air or water down.
Convection current
When do you see thunderstorms
a cold front