LT 7.3 Retake #1

Front

How is relative humidity calculated?

Back

(Actual vapor density / Saturation vapor density) x 100%

Front

What does a line with semicircles on a weather map indicate?

Back

Warm front

Front

What is the primary purpose of a sling psychrometer?

Back

To measure relative humidity

Front

Which weather instrument measures air pressure?

Back

Barometer

Front

If the relative humidity is 100%, what does it mean?

Back

The air is holding as much water vapor as it can at that temperature.

Front

What is relative humidity?

Back

The amount of water vapor present in the air compared to the maximum amount the air can hold at that temperature.

Front

What is the difference between a cold front and a warm front?

Back

A cold front occurs when cold air replaces warm air, while a warm front occurs when warm air replaces cold air.

Front

What instrument is used to measure wind speed?

Back

Anemometer

Front

What does a barometer measure?

Back

Air pressure

Front

What is the dew point?

Back

The temperature at which air becomes saturated with moisture and water vapor begins to condense.