Regents Prep Review: Weather

The instrument used to measure wind direction is the

• barometer
• sling psychrometer
• rain gauge
• wind vane

The instrument used to measure water vapor in the air is the

• barometer
• sling psychrometer
• rain gauge
• wind vane

The instrument used to measure wind speed is the

• barometer
• sling psychrometer
• thermometer
• anemometer

Usually, cumulonimbus clouds are associated with weather that is

• dry
• fair
• stormy
• foggy

A temperature of 104°F is approximately equal to

• 220°C

• 214°C

• 43°C

• 40°C

Students wish to study the effect of elevation above sea level on air temperature and air pressure. They plan to hike in the Adirondack Mountains from Heart Lake, elevation 2,179 feet, to the peak of Mt. Marcy, elevation 5,344 feet. Which instruments should they use to collect their data?

• anemometer and psychrometer

• anemometer and barometer

• thermometer and psychrometer

• thermometer and barometer

Which weather variable generally decreases when wind speed is increasing, clouds are thickening, and visibility drops?

• relative humidity

• dewpoint

• precipitation

• air pressure

Air pressure is usually highest when the air is

• cool and humid

• cool and dry

• warm and humid

• warm and dry

A barometric pressure of 1021.0 millibars is equal to how many inches of mercury?

• 29.88

• 30.15

• 30.25

• 30.50

Earth's surface winds generally blow from regions of higher

• air temperature toward regions of lower air temperature

• air pressure toward regions of lower air pressure

• latitudes toward regions of lower latitudes

• elevations toward regions of lower elevations