ATMOS 1010 EXAM 3 QUESTIONS & ANSWERS
Which of the following statements is true? - Answers - Tornadoes only form in
thunderstorms.
Climatologically, the months of maximum tornado frequency in the U.S. are - Answers -
April - June.
Which of the following occurs during a lightning strike? - Answers - rapid expansion of
the air, rapid heating of the air, ionization of the air
Which of the following states is in "Hail Alley"? - Answers - Oklahoma
Which city of the following would most likely experience a dry downburst during the
summer months? - Answers - Phoenix, AZ
A funnel cloud is the same as a tornado. - Answers - False
As a rotating system's mass distribution narrows, its rotation rate increases. - Answers -
True
The majority of lightning strikes are cloud-to-ground. - Answers - False
Large hailstones sometimes have a layered structure. - Answers - True
Microburst winds can sometimes have speeds of up to 100 miles per hour. - Answers -
True
Which lapse rate, of the following, always has the same value? - Answers - dry
adiabatic lapse rate
An updraft occurs ever everywhere in a thunderstorm cell during which stage of its
evolution? - Answers - cumulus or developing
A narrow line of closely spaced advancing thunderstorm cells is called a - Answers -
squall line.
Which thunderstorms always rotate? - Answers - supercells
Atmospheric conditions required for supercell thunderstorm formation are - Answers -
lower-tropospheric southerly jet with wind shear, a lifting process, warm moist air near
the surface and much colder and drier air aloft
The moist adiabatic lapse rate can sometimes be larger than the dry adiabatic lapse
rate. - Answers - False
, A squall line can occur ahead of as well as along an advancing front. - Answers - True
An inversion layer (a layer in which temperature increases with height) is stable. -
Answers - True
Air mass thunderstorms can sometimes occur in small clusters. - Answers - True
Mesoscale convective systems can be as much as several hundred miles across. -
Answers - True
A reading of 894 of pressure on a surface weather map actually represents a (sea level
adjusted) atmospheric pressure of - Answers - 989.4 millibars.
A radar signal travels at the speed of light - Answers - True
High cloud tops appear brighter on a (negative) infrared satellite image than low cloud
tops. - Answers - True
In a weather balloon sounding. pressure is used as the vertical coodinate. - Answers -
True
Weather fronts are analyzed on a 300 millibar constant pressure map. - Answers - False
It is inherently impossible to make exceedingly accurate forecasts over arbitrarily long
periods of time. - Answers - True
A cold moist air mass would be classified as - Answers - maritime polar.
Upper divergence would occur - Answers - between a trough and a ridge to the east.
A region of formation of low pressure areas affecting North America is - Answers - the
high plain states east of the Colorado Rockies.
along the Texas-Louisiana coast.
the Gulf of Alaska.
Intensity of precipitation is determined through - Answers - weather radar.
Which satellite image cannot be viewed at night? - Answers - visible, infrared, water
vapor
The 300 millibar constant pressure surface resides at a height of around - Answers -
30,000 feet.
Which of the following is not measured in a rawinsonde sounding? - Answers - intensity
of precipitation
Which of the following statements is true? - Answers - Tornadoes only form in
thunderstorms.
Climatologically, the months of maximum tornado frequency in the U.S. are - Answers -
April - June.
Which of the following occurs during a lightning strike? - Answers - rapid expansion of
the air, rapid heating of the air, ionization of the air
Which of the following states is in "Hail Alley"? - Answers - Oklahoma
Which city of the following would most likely experience a dry downburst during the
summer months? - Answers - Phoenix, AZ
A funnel cloud is the same as a tornado. - Answers - False
As a rotating system's mass distribution narrows, its rotation rate increases. - Answers -
True
The majority of lightning strikes are cloud-to-ground. - Answers - False
Large hailstones sometimes have a layered structure. - Answers - True
Microburst winds can sometimes have speeds of up to 100 miles per hour. - Answers -
True
Which lapse rate, of the following, always has the same value? - Answers - dry
adiabatic lapse rate
An updraft occurs ever everywhere in a thunderstorm cell during which stage of its
evolution? - Answers - cumulus or developing
A narrow line of closely spaced advancing thunderstorm cells is called a - Answers -
squall line.
Which thunderstorms always rotate? - Answers - supercells
Atmospheric conditions required for supercell thunderstorm formation are - Answers -
lower-tropospheric southerly jet with wind shear, a lifting process, warm moist air near
the surface and much colder and drier air aloft
The moist adiabatic lapse rate can sometimes be larger than the dry adiabatic lapse
rate. - Answers - False
, A squall line can occur ahead of as well as along an advancing front. - Answers - True
An inversion layer (a layer in which temperature increases with height) is stable. -
Answers - True
Air mass thunderstorms can sometimes occur in small clusters. - Answers - True
Mesoscale convective systems can be as much as several hundred miles across. -
Answers - True
A reading of 894 of pressure on a surface weather map actually represents a (sea level
adjusted) atmospheric pressure of - Answers - 989.4 millibars.
A radar signal travels at the speed of light - Answers - True
High cloud tops appear brighter on a (negative) infrared satellite image than low cloud
tops. - Answers - True
In a weather balloon sounding. pressure is used as the vertical coodinate. - Answers -
True
Weather fronts are analyzed on a 300 millibar constant pressure map. - Answers - False
It is inherently impossible to make exceedingly accurate forecasts over arbitrarily long
periods of time. - Answers - True
A cold moist air mass would be classified as - Answers - maritime polar.
Upper divergence would occur - Answers - between a trough and a ridge to the east.
A region of formation of low pressure areas affecting North America is - Answers - the
high plain states east of the Colorado Rockies.
along the Texas-Louisiana coast.
the Gulf of Alaska.
Intensity of precipitation is determined through - Answers - weather radar.
Which satellite image cannot be viewed at night? - Answers - visible, infrared, water
vapor
The 300 millibar constant pressure surface resides at a height of around - Answers -
30,000 feet.
Which of the following is not measured in a rawinsonde sounding? - Answers - intensity
of precipitation
