Weather Regents Review

Front

What direction do jet stream winds generally move over the United States?

Back

West to east.

Front

What were the relative humidity and air temperature at noon on a spring day in Washington, D.C. if the values were 47% and 48°F?

Back

Relative humidity: 47%, Air temperature: 48°F.

Front

What instrument measures wind direction?

Back

Wind vane.

Front

What instrument measures temperature?

Back

Thermometer.

Front

What instrument measures air pressure?

Back

Barometer.

Front

What instrument measures wind speed?

Back

Anemometer.

Front

What does a psychrometer measure?

Back

Relative humidity.

Front

What weather change is indicated by rapid falling air pressure?

Back

A storm is approaching.

Front

What is the relationship between air pressure and weather changes?

Back

Rapid changes in air pressure can indicate approaching storms or clearing skies.

Front

What is relative humidity?

Back

The amount of moisture in the air compared to the maximum amount of moisture the air can hold at that temperature.