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WX 201 EXAM QUESTIONS AND ANSWERS
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WX 201 EXAM QUESTIONS AND ANSWERS
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WX 201 EXAM QUESTIONS AND ANSWERSIf temperature increases with increasing height (as you go up), it is called: - Answers-
temperature inversion and a negative lapse rate
Temperature increases with height in the ________, which is also the warmest of any
layer in the atmosphere. - Answers-thermosphere
The average annual precipitation in Las Vegas is 4.2 inches, representative of Las
Vegas'
________. During a heavy monsoon rainstorm in August, 2.5 inches of rain fell, which is
representative of Las Vegas'_______ that day. - Answers-climate; weather
Air is an excellent conductor of heat. - Answers-False
Which of the following has the largest heat capacity? - Answers-Water
Which law states that the warmer the temperature of an object, the more energy
(radiation) it will emit? - Answers-Stefan-Boltzmann Law
The aurora is caused by the solar wind interacting with the Earth's ________. -
Answers-magnetic field
Which of the following is NOT a greenhouse gas? - Answers-Oxygen
In terms of impacts on the temperature of the environment, evaporation is a _________
process. - Answers-Cooling
A thermometer that makes standard surface (ASOS) temperature measurements is
placed: - Answers-2 meters above the surface
Why does Earth have seasons? - Answers-Earth's tilt
Given relatively clear and calm conditions in Daytona Beach in August, around what
time will the daily minimum temperature occur? - Answers-6 a.m.
Why are Southern Hemisphere (SH) summers generally cooler (less extreme) than
Northern Hemisphere (NH) summers? - Answers-The SH has more water than the NH
Which of the following conditions is favorable for the development of a
radiation inversion at night? - Answers-Clear skies, calm nights, and long nights
On the Autumn and Spring Equinoxes, the sun is located directly overhead at the
equator. - Answers-True
, Wind chill is calculated using a combination of: - Answers-Temperature and wind speed
Which of the following gases in the atmosphere varies in concentration depending on
location? - Answers-Water Vapor
Going up from the surface to the stratosphere, atmospheric pressure and density both
__________. - Answers-. decrease rapidly
Air molecules with small amounts of kinetic energy have a _______ temperature
than air molecules with large amounts of kinetic energy. - Answers-colder
Of the following temperatures, at which will air be the least dense? - Answers-
86°F(Highest)
Warm air rises and cold air sinks. - Answers-True
Incoming solar radiation is maximized on the Summer Solstice (June in the NH).
However, the NH's warmest temperatures usually occur in July/August. Why? -
Answers-Incoming solar energy still exceeds outgoing IR energy for a few weeks
On July 15th, Barrow, Alaska (the northernmost city in the U.S.) receives 24 hours of
daylight while Miami, Florida sees 14 hours of daylight. However, Miami is typically a
lot warmer than Barrow. Why? - Answers-Miami has a higher sun angle, meaning less
solar radiation gets absorbed/scattered
The sky appears blue and sunsets appear red/orange because of: - Answers-Scattering
Which of the following optical phenomena is caused by diffraction? - Answers-Glory
Twilight is caused by: - Answers-Refraction
Which of the following phenomenon is caused by refraction through column-shaped ice
crystals, with the long axis oriented horizontally? - Answers-Tangent Arcs
The picture of the rainbow on the screen must be a _______ rainbow - Answers-primary
9. Rainbow formation involves visible light, raindrops, and which processes? - Answers-
Reflection and refraction
. It is August and for some reason you have decided to walk through the Sahara Desert.
You think you have miraculously come upon a lake only to find out that it is not really
there. This is an example of a ______ mirage, caused by _____ air closest to the
surface. - Answers-inferior; less dense
Which of the following is NOT caused by scattering? - Answers-Sun pillars
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