METEOROLOGY EXAM 4 QUESTIONS
WITH CORRECT ANSWERS
the most important force operating in a tornado is... - Correct Answers -pressure
gradient force
by convection, the mature stage of the life cycle of a thunderstorm cell begins when -
Correct Answers -precipitation first reaches Earth's surface
a mesoscale convective complex (MCC) - Correct Answers -is not associated with a
front, usually covers a large area, perhaps the size of a state (all of the above)
during spring over North America, there is a general ______ progression of tornado
occurance - Correct Answers -northward
Virga is sometimes mistaken for a tornado because of its - Correct Answers -cylindrical
or funnel shape
the ____ of the life cycle of a thunderstorm cell is characterized by mostly updrafts -
Correct Answers -towering cumulus stage
The Coriolis Effect is more important in a ______ than in a _____ - Correct Answers -
thunderstorm, tornado
tornadoes are most likely to develop - Correct Answers -in Oklahoma during spring
a feature sometimes present in thunderstorms that may prolong the mature stage is
(are) - Correct Answers -a tilted updraft
a gust front is associated with an - Correct Answers -intense thunderstorm
a severe thunderstorm cell may be accompanied by - Correct Answers -damaging
surface winds, hail, heavy rain, frequent lighting
an updraft that develops a rotational circulation is a distinguishing characteristic of a -
Correct Answers -supercell thunderstorm
, a tornado vortex signature (TVS) is detected by weather radar operating in the ______
mode - Correct Answers -velocity (doppler)
a downburst is designated a microburst or macrobusrt depending on - Correct Answers
-the distance impacted along the ground
in the United States, tornadoes are most often triggered by - Correct Answers -
extratropical cyclones
in the southern Great Plains, tornadoes are most likely to develop when - Correct
Answers -dry pacific air overlies a layer of maritime tropical air
Appearance of mamas clouds ______ indicates a severe thunderstorm cell - Correct
Answers -sometimes
Typically, of all the tornadoes that occur each year in the United States, most are rated
as _____ on the EF-scale - Correct Answers -weak
the troposphere is normally less stable in - Correct Answers -spring than fall
a dryline - Correct Answers -is a likely site for development of a severe thunderstorm
cell, separates hot dry air from warm humid air, often occurs over Texas and Oklahoma
At latitude 10 degrees N, Atlantic basin hurricanes generally - Correct Answers -drift
slowly toward the west
the first communications system that made possible weather analysis and forecasting
was - Correct Answers -the telegraph
the percentage of the atmosphere's mass located above the 700-millibar level is -
Correct Answers -70%
about _____ percent of the atmosphere's mass is located below the 300-millibar level -
Correct Answers -70
the diameter of a hurricane is typically ____ that of a mature extratropical cyclone -
Correct Answers -less than
The Sahara air layer (SAL) - Correct Answers -inhibits tropical cyclone development, is
a mass of dry dusty stable air, originates over the Sahara Desert
Forces operating within a tropical cyclone - Correct Answers -Coriolis Effect, friction,
pressure gradient force, centripetal force
the eye wall of a hurricane is - Correct Answers -a ring of intense thunderstorms
WITH CORRECT ANSWERS
the most important force operating in a tornado is... - Correct Answers -pressure
gradient force
by convection, the mature stage of the life cycle of a thunderstorm cell begins when -
Correct Answers -precipitation first reaches Earth's surface
a mesoscale convective complex (MCC) - Correct Answers -is not associated with a
front, usually covers a large area, perhaps the size of a state (all of the above)
during spring over North America, there is a general ______ progression of tornado
occurance - Correct Answers -northward
Virga is sometimes mistaken for a tornado because of its - Correct Answers -cylindrical
or funnel shape
the ____ of the life cycle of a thunderstorm cell is characterized by mostly updrafts -
Correct Answers -towering cumulus stage
The Coriolis Effect is more important in a ______ than in a _____ - Correct Answers -
thunderstorm, tornado
tornadoes are most likely to develop - Correct Answers -in Oklahoma during spring
a feature sometimes present in thunderstorms that may prolong the mature stage is
(are) - Correct Answers -a tilted updraft
a gust front is associated with an - Correct Answers -intense thunderstorm
a severe thunderstorm cell may be accompanied by - Correct Answers -damaging
surface winds, hail, heavy rain, frequent lighting
an updraft that develops a rotational circulation is a distinguishing characteristic of a -
Correct Answers -supercell thunderstorm
, a tornado vortex signature (TVS) is detected by weather radar operating in the ______
mode - Correct Answers -velocity (doppler)
a downburst is designated a microburst or macrobusrt depending on - Correct Answers
-the distance impacted along the ground
in the United States, tornadoes are most often triggered by - Correct Answers -
extratropical cyclones
in the southern Great Plains, tornadoes are most likely to develop when - Correct
Answers -dry pacific air overlies a layer of maritime tropical air
Appearance of mamas clouds ______ indicates a severe thunderstorm cell - Correct
Answers -sometimes
Typically, of all the tornadoes that occur each year in the United States, most are rated
as _____ on the EF-scale - Correct Answers -weak
the troposphere is normally less stable in - Correct Answers -spring than fall
a dryline - Correct Answers -is a likely site for development of a severe thunderstorm
cell, separates hot dry air from warm humid air, often occurs over Texas and Oklahoma
At latitude 10 degrees N, Atlantic basin hurricanes generally - Correct Answers -drift
slowly toward the west
the first communications system that made possible weather analysis and forecasting
was - Correct Answers -the telegraph
the percentage of the atmosphere's mass located above the 700-millibar level is -
Correct Answers -70%
about _____ percent of the atmosphere's mass is located below the 300-millibar level -
Correct Answers -70
the diameter of a hurricane is typically ____ that of a mature extratropical cyclone -
Correct Answers -less than
The Sahara air layer (SAL) - Correct Answers -inhibits tropical cyclone development, is
a mass of dry dusty stable air, originates over the Sahara Desert
Forces operating within a tropical cyclone - Correct Answers -Coriolis Effect, friction,
pressure gradient force, centripetal force
the eye wall of a hurricane is - Correct Answers -a ring of intense thunderstorms
