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WX 201 Exam 1 UPDATED ACTUAL Questions and CORRECT Answers

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WX 201 Exam 1 UPDATED ACTUAL Questions and CORRECT Answers Water vapor cannot condense onto hygroscopic nuclei particles at a relative humidity less than 100 percent. - CORRECT ANSWER- False The maximum in daytime surface temperature typically occurs before Earth receives its most intense s...

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  • November 27, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • WX 201
  • WX 201
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WX 201 Exam 1 UPDATED ACTUAL
Questions and CORRECT Answers
Water vapor cannot condense onto hygroscopic nuclei particles at a relative humidity less than
100 percent. - CORRECT ANSWER- False


The maximum in daytime surface temperature typically occurs before Earth receives its most
intense solar radiation. - CORRECT ANSWER- False


Where the air is humid, haze and cloudiness lower the maximum temperature by preventing
some of the sun's rays from reaching the ground. - CORRECT ANSWER- True


At what time during a 24-hour day would a radiation temperature inversion best be developed? -
CORRECT ANSWER- near sunrise


When would one expect the warmest weather in middle latitudes in the summer in the Southern
Hemisphere? - CORRECT ANSWER- January 21


An important reason for the large diurnal temperature range in deserts is: - CORRECT
ANSWER- there is little water vapor in the air to absorb and scatter infrared radiation.


Because the temperature of the night air depends primarily on the length of the night, the
moisture content of the air, cloudiness, and wind, one would expect the LOWEST temperatures
to be found next to the ground on a: - CORRECT ANSWER- clear, dry, calm night.


Both the ground and the air above it cool by radiating infrared energy, a process called
radiational cooling. - CORRECT ANSWER- True


Considering each hemisphere as a whole, seasonal temperature variation in the Southern
Hemisphere is less than in the Northern Hemisphere due to the fact that there are more oceans in
the Southern Hemisphere. - CORRECT ANSWER- True

,The smallest variation in daily temperature usually occurs: - CORRECT ANSWER- at the
level where thermals stop rising.


When in danger of a hard freeze, citrus farmers often spray a mist of water that will freeze and
create a protective coating of ice over the fruit. - CORRECT ANSWER- True



At any given time, ____ of Earth is illuminated by the Sun. - CORRECT ANSWER- one-
half


Which of the following latitudes is farthest from Earth's axis? - CORRECT ANSWER- 0
degrees N


If it is winter in New York City, the season in Sydney, Australia is summer. - CORRECT
ANSWER- True



Hyperthermia, or heat stroke, is most common in: - CORRECT ANSWER- hot, humid
weather.


During the Northern Hemisphere's summer, the daylight hours in northern latitudes are longer
than in the middle latitudes. - CORRECT ANSWER- True



When a liquid thermometer is held in in the shade, it will: - CORRECT ANSWER-
accurately measure the air temperature.


Our seasons are caused by: - CORRECT ANSWER- the angle at which sunlight reaches
Earth.


Which latitude would experience the most hours of daylight on December 22? - CORRECT
ANSWER- 60 degrees S

, The wind-chill factor, which is how cold the wind makes us feel: - CORRECT ANSWER-
calculates our sensible temperature, which is how we would feel at an equivalent temperature
with no wind.


The most important reason why summers in the Southern Hemisphere are not warmer than
summers in the Northern Hemisphere is that: - CORRECT ANSWER- over 80 percent of the
Southern Hemisphere is covered with water.


When it is January and winter in the Northern Hemisphere, it is ____ and ____ in the Southern
Hemisphere. - CORRECT ANSWER- January; summer


During the afternoon, the smallest temperature difference between surface air and the air several
meters above occurs on a: - CORRECT ANSWER- cloudy, windy afternoon.


In the Northern Hemisphere, which day has the most hours of daylight? - CORRECT
ANSWER- summer solstice


On the summer solstice, the highest position of the noonday Sun is located: - CORRECT
ANSWER- in the midlatitudes of the Northern Hemisphere.


For the most accurate determination of outdoor temperature, one should place the thermometer in
the sun. - CORRECT ANSWER- False


In July, at middle latitudes in the Northern Hemisphere, the day is more than 12 hours long and
is getting longer with each passing day. - CORRECT ANSWER- False


On a clear, calm night, particularly in high-elevation desert locations such as Winnemucca,
Nevada, where the summer air is dry and thin, the ground and air above cool very dramatically
mainly by which process? - CORRECT ANSWER- radiation


Over Earth as a whole, in which location would one expect to observe the smallest variation in
temperature from day to day and from month to month due to the contributing factors of latitude,

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