WX 301 Final Test || with Complete Solutions.
Globally, TS are most common correct answers Over tropical land masses
to get a thunderstorm, we need each of the following three conditions correct answers Unstable
air, a lifting mechanism, and low, level moisture
over tropical oceans, most TS occur correct answers just before dawn
An air mass TS has mostly updrafts and surface flow toward the storm at the __________ stage
correct answers cumulus
TS are most common over Iowa correct answers around sunset
In the US, most thunderstorms occur in____over____ correct answers Summer, florida
An air mass TS typically lasts correct answers 30-60 minuntes
Near a dissipating air mass TS with precipitation, the horizontal surface air flow near the TS is
tipically correct answers away from the TS
Cumulonimbus literally means correct answers heaped rain producing clouds
when flying at night, the best way to be alerted that severe TS are within 50 miles of me is
correct answers frequent lightning
The outer edge of the expanding cold air below a thunderstorm is called correct answers the
outflow boundry
TS over the desert southwest are most common during correct answers mid-afternoon
At the outer edge of the expanding cold air (near a TS) we find the correct answers gust front
For a multi-cell TS with low level flow from the south, new cells typically form correct answers
south of the mature cell
Severe super cell TS comprise about _____% of all TS correct answers 1%
Severe supercell convection is most common correct answers over the great plains during late
afternoon and evening in April-June
A shelf cloud is correct answers a shelf-like cloud that forms above a gust front in the updraft
south of a multi-cell TS
Compared with air mass TS, multi and supercell TS correct answers have more vertical shear
,what does the supercell have that a multicell storm lacks? correct answers rotation
For a sever supercell TS to form over the great plains, one would expect the 5,000 AGL wind to
be correct answers 190/45
Severe convection is most likely when the atmosphere is warm and ____near the surface and
cold and _____dry aloft, with ____vertical wind shear correct answers moist, dry, strong
Supercell thunderstorms are most conmon correct answers in the warm sector, east of the cold
front
A supercell storm is embedded in an average tropospheric flow from 230 the storm will move to
the correct answers East
The low-level jet commonly occurs at a level of around______ AGL and is strongest in the
______ correct answers 5,000ft, evening
A wall cloud is correct answers a rotating cloud hanging below the main base of a supercell
In the wind profile of a supercell TS correct answers The DDD gets bigger and the velocity
increases
In a downdraft, cold air descends, hits the ground and spreads out horizontally. The leading edge
of the expanding cold air is called the_________ correct answers out flow boundry
The flanking line is a line of towering cumulus clouds on the ______ side of a _______
thunderstorm correct answers south, supercell
A squall line commonly forms correct answers along the dry line east of the cold front or along
the cold front
West of the strongest squall-line precipitation, I would most likely find correct answers lighter
precipitation in a trailing stratiform region
Severe squall-line weather is most commonly found along the____edges of a cold frontal band
correct answers eastern and southern
A Doppler radar measures correct answers precipitation intensity and air speed to/from the radar
Mesoscale convective complexes form in _____ beneath______ correct answers July-September,
and upper level ridge
Mesoscale convective complexes over the US are most common correct answers over the great
plains in July/August
, The most likely vertical wind profile associated with a Mesoscale convective complex is correct
answers moderate southerly at the surface, lighter variable winds higher up
Tornadoes are most common in (month range) correct answers April to June
Which of the following phenomena are not associated with tornados correct answers air mass TS
advance warning of an imminent tornado is provided by correct answers a hook echo in radar
imagery and the appearance of a wall cloud
Most severe tornado damage is related to correct answers suction vortices
For s tornado moving toward the NE, strongest tornado winds will be on the _____ side of the
tornado correct answers southeast
Tornado wind speed is estimated using the _____ scale correct answers Fujita
Suction Vortices are correct answers smaller vortices within a tornado funnel
small hail is most common correct answers over high ground in the western half of the country
A weak echo region signifies correct answers powerful updraft and chance of large hail
large hail (>.75") is most common correct answers over the great plains
Severe supercell thunderstorms with large hail, are mostly found correct answers over the great
plains in the spring
What is the correct sequence of a lightning stroke correct answers stepped leader, return stroke,
thunder
what is the most visible part of a lightning stroke? correct answers the return stroke
Flying at low levels through a micro burst, I will experience a _______ followed by a _________
correct answers headwind, tailwind
If I have to fly at 35000ft around a severe supercell TS over the great plains, the safest side is
correct answers the west side
Above a TS anvil, turbulence is most commonly found correct answers near and down stream of
the overshooting top
Severe TS are likely for K-index values correct answers above about 50
WE can get information about the lifted index and the k-index from correct answers a LI/K-
index chart
Globally, TS are most common correct answers Over tropical land masses
to get a thunderstorm, we need each of the following three conditions correct answers Unstable
air, a lifting mechanism, and low, level moisture
over tropical oceans, most TS occur correct answers just before dawn
An air mass TS has mostly updrafts and surface flow toward the storm at the __________ stage
correct answers cumulus
TS are most common over Iowa correct answers around sunset
In the US, most thunderstorms occur in____over____ correct answers Summer, florida
An air mass TS typically lasts correct answers 30-60 minuntes
Near a dissipating air mass TS with precipitation, the horizontal surface air flow near the TS is
tipically correct answers away from the TS
Cumulonimbus literally means correct answers heaped rain producing clouds
when flying at night, the best way to be alerted that severe TS are within 50 miles of me is
correct answers frequent lightning
The outer edge of the expanding cold air below a thunderstorm is called correct answers the
outflow boundry
TS over the desert southwest are most common during correct answers mid-afternoon
At the outer edge of the expanding cold air (near a TS) we find the correct answers gust front
For a multi-cell TS with low level flow from the south, new cells typically form correct answers
south of the mature cell
Severe super cell TS comprise about _____% of all TS correct answers 1%
Severe supercell convection is most common correct answers over the great plains during late
afternoon and evening in April-June
A shelf cloud is correct answers a shelf-like cloud that forms above a gust front in the updraft
south of a multi-cell TS
Compared with air mass TS, multi and supercell TS correct answers have more vertical shear
,what does the supercell have that a multicell storm lacks? correct answers rotation
For a sever supercell TS to form over the great plains, one would expect the 5,000 AGL wind to
be correct answers 190/45
Severe convection is most likely when the atmosphere is warm and ____near the surface and
cold and _____dry aloft, with ____vertical wind shear correct answers moist, dry, strong
Supercell thunderstorms are most conmon correct answers in the warm sector, east of the cold
front
A supercell storm is embedded in an average tropospheric flow from 230 the storm will move to
the correct answers East
The low-level jet commonly occurs at a level of around______ AGL and is strongest in the
______ correct answers 5,000ft, evening
A wall cloud is correct answers a rotating cloud hanging below the main base of a supercell
In the wind profile of a supercell TS correct answers The DDD gets bigger and the velocity
increases
In a downdraft, cold air descends, hits the ground and spreads out horizontally. The leading edge
of the expanding cold air is called the_________ correct answers out flow boundry
The flanking line is a line of towering cumulus clouds on the ______ side of a _______
thunderstorm correct answers south, supercell
A squall line commonly forms correct answers along the dry line east of the cold front or along
the cold front
West of the strongest squall-line precipitation, I would most likely find correct answers lighter
precipitation in a trailing stratiform region
Severe squall-line weather is most commonly found along the____edges of a cold frontal band
correct answers eastern and southern
A Doppler radar measures correct answers precipitation intensity and air speed to/from the radar
Mesoscale convective complexes form in _____ beneath______ correct answers July-September,
and upper level ridge
Mesoscale convective complexes over the US are most common correct answers over the great
plains in July/August
, The most likely vertical wind profile associated with a Mesoscale convective complex is correct
answers moderate southerly at the surface, lighter variable winds higher up
Tornadoes are most common in (month range) correct answers April to June
Which of the following phenomena are not associated with tornados correct answers air mass TS
advance warning of an imminent tornado is provided by correct answers a hook echo in radar
imagery and the appearance of a wall cloud
Most severe tornado damage is related to correct answers suction vortices
For s tornado moving toward the NE, strongest tornado winds will be on the _____ side of the
tornado correct answers southeast
Tornado wind speed is estimated using the _____ scale correct answers Fujita
Suction Vortices are correct answers smaller vortices within a tornado funnel
small hail is most common correct answers over high ground in the western half of the country
A weak echo region signifies correct answers powerful updraft and chance of large hail
large hail (>.75") is most common correct answers over the great plains
Severe supercell thunderstorms with large hail, are mostly found correct answers over the great
plains in the spring
What is the correct sequence of a lightning stroke correct answers stepped leader, return stroke,
thunder
what is the most visible part of a lightning stroke? correct answers the return stroke
Flying at low levels through a micro burst, I will experience a _______ followed by a _________
correct answers headwind, tailwind
If I have to fly at 35000ft around a severe supercell TS over the great plains, the safest side is
correct answers the west side
Above a TS anvil, turbulence is most commonly found correct answers near and down stream of
the overshooting top
Severe TS are likely for K-index values correct answers above about 50
WE can get information about the lifted index and the k-index from correct answers a LI/K-
index chart
