Weather Factors

The actual amount of water vapor in the air is called

• air pressure

• relative humidity

• Absolute humidity

• Dew Point

What is the most common type of precipitation?

• Snow

• Rain

• Hail

• Sleet

How do clouds form?

• Liquid water is heated and evaporates and becomes water vapor in the atmosphere.

• Water vapor in the atmosphere cools and condenses to become tiny liquid water droplets in the atmosphere.

• Tiny liquid water droplets float upwards and gather together in the atmosphere to form a cloud.

Cirrus clouds mean ...

• fair weather (nice)

• rain/storms coming

• thunderstorms

• long periods of rain

Cumulonimbus clouds mean ...

• fair weather (nice)

• rain/storms coming

• thunderstorms

• long periods of rain

When the air has reached 100% humidity, what will most likely follow?

• Fog

• Lightning

• Rain showers

• Wind

What do hurricanes, tornadoes, and thunderstorms all have in common?

• Cold temperatures

• Storm surge

• Low air pressure

• High air pressure

The state of the atmosphere at a specific time and place

• Climate

• Weather

• Temperature

• Humidity

Clouds are a source of precipitation.

• True

• False

Which choice best represents an area with a high pressure system?

• Sun

• Fog

• Thunderstorm

• Rain