A psychrometer is used to determine which weather variables?

Weather-station measurements indicate that the dewpoint temperature and air temperature are getting farther apart and that air pressure is rising. Which type of weather is most likely arriving at the station?

Which temperature zone of Earth’s atmosphere contains the most water vapor?

Which statement best explains why an increase in the relative humidity of a parcel of air generally increases the chance of precipitation?

This weather instrument can be used to determine relative humidity. Based on the temperatures shown, the relative humidity is

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

On a cold winter day, the air temperature is 2°C and the wet-bulb temperature is –1°C. What is the relative humidity at this location?

In which two temperature zones of the atmosphere does the temperature increase with increasing altitude?

Most clouds form in the atmosphere when moist

air

What is the relative humidity of the air when the air temperature is 4°C and the dew point is -4°C ?

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

Which weather change is most likely indicated by rapid falling air pressure

What is the dewpoint temperature when the relative humidity is 30% and the air temperature is 20°C?

Base your answer on the graph below which shows the changes in relative humidity and air temperature during a spring day in Washington, D.C

What were the relative humidity and air temperature at noon on this day?

A dry-bulb temperature of 30ºC and a wet-bulb temperature of 29ºC were recorded at a weather station. What are the relative humidity and the most likely weather conditions?

Based on the dry-bulb temperature and the wet-bulb temperature, what is the relative humidity?

A psychrometer is used to determine which weather variables?

What does a relative humidity of 35% mean?

Which is a correctly worded definition for "dewpoint?"

Why does precipitation occur on the windward side of a mountain as air is pushed upward?

Warm air can hold ___ water vapor than cold air.

If the air temperature is 59°F, what dewpoint temperature would indicate that precipitation is most likely to occur soon?

The wet bulb temperature is always _______ the dry bulb temperature.

Lines on a map that represent equal air pressure are called

Which graph shows the relationship between temperature and air pressure?

Which graph shows the relationship between humidity and air pressure?

Which graph shows the relationship between altitude/elevation and air pressure?

Which graph shows the relationship between isobar distance and wind speed?

(As distance between isobars increases, wind speed ____.)

What causes wind?

Which describes the wind around an area of HIGH pressure?

Which describes the wind around an area of LOW pressure?

In which general direction do planetary winds push storms across the United States?

An air pressure of 988.0 mb is equal to ____ inches of mercury.

An air pressure of 30.09 inches of mercury is equal to ___ millibars.

Which latitude is most likely to be LOW pressure?

Based on this isobar map, which part of the US is experiencing the strongest wind (and how do you know)?

Which layer of the atmosphere has the highest air pressure?

Which graph shows the relationship between isobar distance and wind speed?

(As distance between isobars increases, wind speed ____.)

What is the percentage of oxygen by volume in the troposphere?

A rocket flying at an altitude of 35 miles is in the

A meteor passing through the atmosphere at an altitude of 38 km is in the

The instrument used to measure air pressure is a

Which 2 images show different types of barometers? Choose 2 correct answers.

Which instrument is used to measure wind speed?

Which instrument is used to measure wind direction?

Which weather change is most likely indicated by rapid falling air pressure

The map below shows air pressures recorded in millibars (mb).

Which map shows the correct location of the 996-mb, 1000-mb, and 1004-mb isobars?

The graph below shows the surface air pressure at a certain city during a five-day period. On which day was the warmest airmass probably over the city for the entire day?

Name the type of air mass that is located over Binghamton, NY

Name the type of air mass that is located over Chicago, Illinois.

The arrows on which map best represent the direction of surface winds associated with the high pressure and low pressure systems?

The arrows in the cross section below represent the general direction of air movement. Which cross section along a straight line between Cincinnati and Boston best represents the weather fronts, clouds, precipitation, and general direction of air movement shown in the map?

What type of front extends eastward from the low pressure center?

Which weather instrument has most improved the acuracy of weather forecasts over the past 40 years?

Most clouds form in the atmosphere when moist air

Which cross section correctly represents a cold front and the air-mass movements associated with this front?

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

The general surface wind circulation associated with the high-pressure center (H) is most likely

What was the most likely source region for the air mass over Pennsylvania?

Which cross section best represents the fronts and air movements in the lower atmosphere along line XY?

The properties of an air mass depend mainly on the

Which area is the most common source region for cold, dry air masses that move over New York State?

Base your answer on the weather map, 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.

The arrows on which map best represent the surface wind pattern around this low-pressure center?

Base your answer on the weather map, 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?

Base your answer to the following question on the graph, which shows air temperature, dewpoint, and present weather conditions for a 23-hour period at Dallas, Texas.

The thunderstorm that occurred between 11 p.m. and 12 midnight was most likely the result of

The incomplete flowchart shows some of the changes that occur in warm air as it rises to form a cloud.

Which statement should be placed in the empty box to accurately complete the flowchart?

The map of North America below shows the position of the polar front jet stream on January 7, 2014, and the location of Atlanta, Georgia.

Which type of air mass was most likely located over Atlanta, Georgia?

Hurricane season in the North Atlantic Ocean officially begins in June and ends in November. Which ocean surface conditions are responsible for the development of hurricanes?

Which condition will most likely result in the formation of a cloud?

In which atmospheric temperature zone do most clouds exist?

Select the TWO characteristics of a mP air mass.

Select the TWO characteristics of a cT air mass.

What is the air pressure, in millibars, shown at Miami, Florida?

What is the relative humidity for Albany?

What is the wind direction for Albany?

What is the wind speed for Albany?

Which weather condition is shown along the cold front?

Which weather station model indicates the greatest probability of precipitation?

Base your answer on the weather map , which shows a low-pressure system over the eastern United States. Letters A through D represent weather stations.

Which station model correctly represents the barometric pressure at station A?

Base your answer on the weather map , which shows a low-pressure system over the eastern United States. Letters A through D represent weather stations.

WWhich weather instrument was used to measure wind speed at station D?

The station model shows some weather conditions at a location on Earth’s surface.

Which present weather symbol represents the most likely type of precipitation to occur soon at this location?

The weather station model shows some of the weather data for a certain location.

What is the wind speed shown on the station model and which instrument is used to measure the wind speed?

What is the wind direction, and the instrument used to measure wind direction? CHOOSE 2 CORRECT ANSWERS!

What is the current air pressure according to this station model?

How much would the temperature have to change for the air to become saturated?

How much has the air pressure changed over the past 3 hours?

The temperature is 82°F in Miami, Florida. Which option shows how to correctly write this on a station model?

Which map below shows the most likely storm track for a hurricane in the Atlantic Ocean?

Hurricanes in the northern hemisphere spin

Hurricanes in the SOUTHERN hemisphere spin

Which of the following are appropriate to PREPARE for a tornado?

CHOOSE 2 ANSWERS.

Which of the following are appropriate to do DURING a tornado?

CHOOSE 2 ANSWERS.

Hurricanes need ____ _____.

CHOOSE 2 WORDS!

Tornadoes are most likely to develop

Which is an appropriate action to take if a thunderstorm is approaching while you are in an open field with no buildings nearby?

Hurricanes and tornadoes are both areas of

Which has the greatest influence on the direction of a hurricane's path?

In diagram A, which location normally receives less precipitation due to higher atmospheric pressure?

The pattern of the thinner arrows in the atmosphere in both diagrams indicates the presence of

The paths of large-scale winds on Earth tend to curve due to

One reason why hurricanes do not often hit Long Island is because...

Which is NOT a way to PREPARE for a blizzard?