1. Chapter 3 WEATHER PATTERNS
AIR MASS:
A large body of air that has about the same temperature, air pressure, and moisture throughout.
CIRRUS CLOUDS:
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 CLOUDS:
A large, puffy cloud.
FLASH FLOOD:
A sudden, violent flood.

2. FRONT: HURRICANE: STRATUS CLOUDS: THUNDERSTORM: TORNADO:
The place where two air masses meet.
HURRICANE:
A large, violent storm accompanied by strong winds and, usually, heavy rain.
STRATUS CLOUDS:
A low, flat cloud that often rings drizzle.
THUNDERSTORM:
A storm that produces lighting and thunder and often heavy rain and strong winds.
TORNADO:
A violent funnel shaped storm of spinning wind.

3. WARM FRONT: WEATHER FORECASTER: WEATHER SATELLITE:
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 ho makes weather predictions or reports weather conditions.
WEATHER SATELLITE:
A human made device in space that takes pictures of Earth and collects information about the weather.