unit 4 review

Which list correctly matches each instrument with the weather variable it measures?

• wind vane—wind speed

  thermometer—temperature

  precipitation gauge—relative humidity

• wind vane—wind direction

  thermometer—dewpoint

  psychrometer—air pressure

• barometer—relative humidity

  anemometer—cloud cover

  precipitation gauge—probability of precipitation

• barometer—air pressure

  anemometer—wind speed

  psychrometer—relative humidity

Which weather change is most likely indicated by rapidly falling air pressure?

• humidity is decreasing

• temperature is decreasing

• skies are clearing

• a storm is approaching

A city located on the coast of North America has warmer winters and cooler summers than a city at the same elevation and latitude located near the center of North America. Which statement best explains the difference between the cities' climates?

• Ocean surfaces change temperature more slowly than land surfaces.

• Warm, moist air rises when it meets cool, dry air.

• Wind speeds are usually greater over land surfaces than over ocean surfaces.

• Ocean surfaces have a lower specific heat than land surfaces.

Which graph best shows the general relationship between altitude and temperature in the troposphere?

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Which graph best shows the general relationship between air pressure and altitude?

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The presence of which atmospheric condition will most likely result in clear skies in Binghamton, New York?

• high humidity

• high pressure center

• increasing wind speed

• temperature equal to dewpoint temperature

Base your answer to the following question on the weather map below, which shows the locations of a high-pressure center (H) and a low-pressure center (L) over a portion of North America. The isolines indicate surface air pressures. The arrows on which map best show the pattern of surface winds around these two pressure centers?

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Base your answer to the following question on the weather map below, which represents a low-pressure system over New York State. The L on the map represents the center of the low-pressure system. Two fronts extend from the center of the low, and are labeled front 1 and front 2. Cloud cover has been omitted from the station models. Which map best represents the type of fronts and direction of movement of these fronts in relation to the low-pressure center?

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Which cross section below best shows the locations of high air pressure and low air pressure near a beach on a hot, sunny, summer afternoon?

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What is the relative humidity when the dry-bulb temperature is 16°C and the wet-bulb temperature is 14°C?

• 90%

• 80%

• 14%

• 13%