WX301 Aviation Weather Test 3 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Globally, TS are most common - CORRECT ANSWER - over tropical land masses
To get a thunderstorm, we need each of the following three conditions - CORRECT
ANSWER - unstable air, a lifting mechanism and low-level moisture
Over tropical oceans, most TS occur - CORRECT ANSWER - just before dawn
An airmass thunderstorm has mostly updrafts and surface flow toward the storm at the __ stage -
CORRECT ANSWER - cumulus
Thunderstorms are most common over Iowa - CORRECT ANSWER - around sunset
In the US, most thunderstorms occur in __ over __ - CORRECT ANSWER - summer, Florida
An air mass thunderstorm typically lasts - CORRECT ANSWER - 30-60 minutes
Near a dissipating air mass TS with precipitation, the horizontal surface air flow near the TS is
typically - CORRECT ANSWER - away from the TS
Cumulonimbus literally means - CORRECT ANSWER - heaped rain-producing clouds
When flying at night, the best way to be alerted that severe TS are within 50 miles of me is (hint
- use your common sense) - CORRECT ANSWER - frequent lightning
, TS over the desert southwest are most common during. - CORRECT ANSWER - mid-
afternoon
The outer edge of the expanding cold air below a thunderstorms is called - CORRECT
ANSWER - the outflow boundary
At the outer edge of the expanding cold air we find the - CORRECT ANSWER - gust front
For a multi-cell TS with low-level flow from the south, new cells typically form. - CORRECT
ANSWER - south of the mature cell
Severe supercell TS comprise about ___% of all TS. - CORRECT ANSWER -1
Severe supercell convection is most common - CORRECT ANSWER - over the Great Plains
during late afternoon and evening in April-June
A shelf cloud is - CORRECT ANSWER - a shelf-like cloud that forms above the gust front in
the updraft south of a multi-cell TS
Compared with airmass TS, multi and supercell TS - CORRECT ANSWER - have more
vertical shear
What does the supercell have that a multicell storm lacks? - CORRECT ANSWER - rotation
Severe convection is most likely when the atmosphere is warm and ___ near the surface and cold
and ___ aloft, with ___ vertical wind shear - CORRECT ANSWER - moist, dry, strong
Supercell thunderstorms are most common - CORRECT ANSWER - in the warm sector, east
of the cold front
ACTUAL Exam Questions and CORRECT
Answers
Globally, TS are most common - CORRECT ANSWER - over tropical land masses
To get a thunderstorm, we need each of the following three conditions - CORRECT
ANSWER - unstable air, a lifting mechanism and low-level moisture
Over tropical oceans, most TS occur - CORRECT ANSWER - just before dawn
An airmass thunderstorm has mostly updrafts and surface flow toward the storm at the __ stage -
CORRECT ANSWER - cumulus
Thunderstorms are most common over Iowa - CORRECT ANSWER - around sunset
In the US, most thunderstorms occur in __ over __ - CORRECT ANSWER - summer, Florida
An air mass thunderstorm typically lasts - CORRECT ANSWER - 30-60 minutes
Near a dissipating air mass TS with precipitation, the horizontal surface air flow near the TS is
typically - CORRECT ANSWER - away from the TS
Cumulonimbus literally means - CORRECT ANSWER - heaped rain-producing clouds
When flying at night, the best way to be alerted that severe TS are within 50 miles of me is (hint
- use your common sense) - CORRECT ANSWER - frequent lightning
, TS over the desert southwest are most common during. - CORRECT ANSWER - mid-
afternoon
The outer edge of the expanding cold air below a thunderstorms is called - CORRECT
ANSWER - the outflow boundary
At the outer edge of the expanding cold air we find the - CORRECT ANSWER - gust front
For a multi-cell TS with low-level flow from the south, new cells typically form. - CORRECT
ANSWER - south of the mature cell
Severe supercell TS comprise about ___% of all TS. - CORRECT ANSWER -1
Severe supercell convection is most common - CORRECT ANSWER - over the Great Plains
during late afternoon and evening in April-June
A shelf cloud is - CORRECT ANSWER - a shelf-like cloud that forms above the gust front in
the updraft south of a multi-cell TS
Compared with airmass TS, multi and supercell TS - CORRECT ANSWER - have more
vertical shear
What does the supercell have that a multicell storm lacks? - CORRECT ANSWER - rotation
Severe convection is most likely when the atmosphere is warm and ___ near the surface and cold
and ___ aloft, with ___ vertical wind shear - CORRECT ANSWER - moist, dry, strong
Supercell thunderstorms are most common - CORRECT ANSWER - in the warm sector, east
of the cold front
