| A | B |
|---|
| air mass | a large body of air that has about the same temperature, air pressure, and moisture throughout |
| cirrus cloud | a thin, feathery cloud made up of ice crystals high in the sky |
| cold front | the leading edge of a cold air mass that forms as the cold air mass moves into a warm air mass |
| cumulus cloud | a large fluffy cloud |
| flash flood | a sudden, violent flood |
| front | the place where two air masses meet |
| hurricane | a large, violent storm accompanied by strong winds and, usually, heavy rain |
| stratus cloud | a low, flat cloud that often brings drizzle |
| thunderstorm | a storm that produces lightning and thunder and often heavy rain and strong winds |
| tornado | a violent, funnel-shaped storm of spinning wind |
| warm front | the leading edge of a warm air mass that forms as the warm air mass moves forward into a cold air mass |
| weather forecaster | a person who makes weather predictions or reports weather conditions |
| weather satellites | a human-made device in space that takes pictures of Earth and collects information about weather |
