Met Gen 3

Question 1

Given the same pressure gradient over the land and over the adjacent water, what is the most probable wind angle to the isobars and wind speed over the water if the surface wind over the land is blowing across the isobars at an angle of 30 degrees and at a speed of 30 kts?

A) 40 degrees and 20 Kts
B) 30 degrees and 30 Kts
C) 20 degrees and 20 Kts
D) 20 degrees and 40 Kts

Answer 1

D) 20 degrees and 40 Kts

Question 2

A flight from Vancouver to Montreal at a constant pressure level experiences winds that gradually veer from the southwest to the northwest. The aircrafts actually height above mean sea level will have: (hint: port drift-A/C true altitude is increasing; starboard drift-A/C true altitude is decreasing)

A) Increases steadily.
B) Increases for a time and then decreases steadily thereafter.
C) Decreases steadily.
D) Decreases for a time and then increases steadily thereafter.

Answer 2

B) Increases for a time and then decreases steadily thereafter.

Question 3

If the temperatures to the southeast today are warmer than those to the northwest, the winds aloft would be blowing from the: (recall buys-ballots law - with your back to the wind, your left hand will point to the area of lower pressure; for upper level winds, your left hand will point to area of lower temperatures)

A) Northeast.
B) Southeast.
C) Northwest.
D) Southwest.

Answer 3

D) Southwest.

Question 4

From the statements listed below which relate to density altitude, select the one which is FALSE:

A) The calculation of the density altitude at a given aerodrome consists of correcting the existing pressure altitude with the ISA temperature for that level.
B) The density altitude is that altitude in the standard atmosphere which corresponds to a given density value.
C) An increase in density altitude corresponds to a decrease in density.
D) The density altitude for a given aerodrome is changing continuously in response to changes in pressure and temperature.

Answer 4

A) The calculation of the density altitude at a given aerodrome consists of correcting the existing pressure altitude with the ISA temperature for that level.

Question 5

An aerodromes density altitude is calculated with a flight computer using the:

A) The aerodromes published elevation matched with the ambient air temperature.
B) The aerodromes pressure altitude matched with the aerodromes outside air temperature corrected in terms of ASL.
C) The aerodromes pressure altitude matched with the aerodromes outside air temperature corrected in terms of AGL.
D) The aerodrome altitude above sea level matched with the average sea level temperature during the previous 12 hours.

Answer 5

B) The aerodromes pressure altitude matched with the aerodromes outside air temperature corrected in terms of ASL.

Question 6

An aircrafts true altitude would be greater than its indicated altitude in terms of:

A) Warm air and high pressure.
B) Warm air and low pressure.
C) Cold air and high pressure.
D) Cold air and low pressure.

Answer 6

A) Warm air and high pressure.

Question 7

Which of the following statements is true with respect to the term MSL pressure?

A) It is station pressure reduced to MSL assuming ISA conditions.
B) It is station level pressure extracted from the appropriate synoptic chart.
C) It is station pressure reduced to MSL using the average surface temperature for the last 12 hours.
D) It is the average sea level pressure reading at a given station during the previous 3 hour period.

Answer 7

C) It is station pressure reduced to MSL using the average surface temperature for the last 12 hours.

Question 8

Altimeter setting is:

A) Measured MSL pressure corrected for non-standard temperature.
B) Station pressure reduced to sea level with a 12 hour average temperature correction applied to it.
C) Measured MSL pressure with ISA deviation correction applied.
D) Station level pressure reduced to MSL assuming ISA conditions.

Answer 8

D) Station level pressure reduced to MSL assuming ISA conditions.

Question 9

It is essential that a pilot flying in the Standard Pressure Region closely monitor terrain clearance, when:

A) Pressures are high and temperatures are high.
B) Operating in an air mass having a variable pressure gradient.
C) Pressures are low and temperatures are low.
D) The current altimeter setting is greater than 31.00 inches (Hg).

Answer 9

C) Pressures are low and temperatures are low.

Question 10

An aircraft descends from FL380 for an approach to Kelowna Airport. During the descent, the pilot forgets to reset the altimeter subscale. If the published decision height is 2060 ft ASL, what would be the actual height of the aircraft on reaching the indicated DH. (Refer to the following METAR).
METAR CYLW 281700Z 18010KT 5SM -SHRA OVC015 10/06 A2962 RMK SF8 SLP150=

A) 2060 ft ASL
B) 2360 ft ASL
C) 1760 ft ASL
D) 1460 ft ASL

Answer 10

C) 1760 ft ASL

Question 11

Compare two aircraft on approach- the first aircraft is flying the approach in standard atmospheric conditions; the second aircraft in colder than standard conditions. Both aircraft arrive over the FAF at the altitude that is shown on the approach plate (no temperature corrections applied). What is the second aircrafts altimeter reading in relation to the first, and what is the result?

A) The second aircrafts altimeter will be over reading, and therefore the aircraft will be lower than the published altitude.
B) The second aircrafts altimeter will be under reading, and therefore the aircraft will be lower than the published altitude.
C) The second aircrafts altimeter will be under reading, and therefore the aircraft will be higher than the published altitude.
D) The second aircrafts altimeter will be over reading, and therefore the aircraft will be higher than the published altitude.

Answer 11

A) The second aircrafts altimeter will be over reading, and therefore the aircraft will be lower than the published altitude.

Question 12

Compare two aircraft on approach- the first aircraft is flying the approach in standard atmospheric conditions; the second aircraft in colder than standard conditions. Both aircraft are on a RNAV/RNP style approach. What will happen to the slope of the approach flown by the second aircraft.

A) No difference.
B) The second aircraft will fly a steeper approach path and touchdown with zero temperature error on the altimeter.
C) The second aircraft will fly a shallower approach path and touchdown with a temperature error on the altimeter.
D) The second aircraft will fly a shallower approach path and touchdown with zero temperature error on the altimeter.

Answer 12

D) The second aircraft will fly a shallower approach path and touchdown with zero temperature error on the altimeter.

Question 13

The relationship between the amount of water vapor actually present in the air and the maximum possible amount of water vapor that could be held by the air at that temperature and pressure (without condensation occurring) is expressed by which of the following terms?

A) Dewpoint temperature.
B) Saturation vapor pressure.
C) Relative Humidity.
D) Saturation index.

Answer 13

C) Relative Humidity.

Question 14

The height of a cloud base is most dependent upon the:

A) Moisture content in the air.
B) The dry adiabatic lapse rate.
C) The amount of cooling that is taking place at the earths surface.
D) The strength of any vertical motion present at the 400hPa level.

Answer 14

A) Moisture content in the air.

Question 15

Clouds and precipitation are common in areas:

A) Of subsiding air.
B) Located immediately above the isothermal layer.
C) Where katabatic flow is present.
D) Of ascending air.

Answer 15

D) Of ascending air.

Question 16

Which of the following types of cloud frequently forms as a result of evaporation from rain rather than from expansional cooling?

A) Orographic cloud.
B) Altocumulus Castellanus
C) Cumulus fractus.
D) Stratus cloud.

Answer 16

D) Stratus cloud.

Question 17

If the air mass is moist and stable with mechanical turbulence present in the lower levels, what type of clouds can you expect to be present?

A) Stratus cloud.
B) Stratocumulus cloud.
C) Cumulus fractus.
D) Stratus and stratocumulus Cloud.

Answer 17

D) Stratus and stratocumulus Cloud.

Question 18

Rain droplets or snowflakes that fall from cumuliform cloud and evaporate or sublimate before reaching the ground is called.

A) Refractive cloud.
B) Curtain cloud.
C) Virga.
D) Nimbostratus opacus.

Answer 18

C) Virga.

Question 19

Flying through or underneath virga usually results in:

A) Smooth flying conditions due to the cooling effect as water droplets evaporate back into a gaseous state.
B) Choppy conditions from the condensation process.
C) Choppy flying conditions due to the cooling effect as water droplets evaporate back into a gaseous state causing the more dense air to sink rapidly creating a form of windshear.
D) Choppy flying conditions through the virga but smooth underneath the virga.

Answer 19

C) Choppy flying conditions due to the cooling effect as water droplets evaporate back into a gaseous state causing the more dense air to sink rapidly creating a form of windshear.

Question 20

Drizzle forms through the:

A) Splitting of large supercooled droplets into smaller droplets as they descend from higher altitudes.
B) Melting of large snowflakes at the base of stratocumulus cloud.
C) Condensation process.
D) Condensation and coalescence process occurring in stratus cloud.

Answer 20

D) Condensation and coalescence process occurring in stratus cloud.

Question 21

Snow falling from a layer of stratocumulus would indicate that:

A) The liquid water content in the cloud is decreasing.
B) The population of large supercooled water droplets will increase in the cloud as the snow continues to fall.
C) An above freezing layer is present aloft.
D) The liquid water content of the cloud will increase due to the melting of the ice crystals.

Answer 21

A) The liquid water content in the cloud is decreasing.

Question 22

An airport weather observer reports snow grains; this type of precipitation would imply.

A) That freezing rain exists aloft.
B) That a layer of snow aloft had melted and then, during its descent, had passed through a sub-freezing layer.
C) That a layer composed of ice pellets lies above the airport.
D) That freezing drizzle is present aloft.

Answer 22

D) That freezing drizzle is present aloft.

Question 23

A large area of land or ocean of relative uniform characteristics and which an air mass can form, is known as a:

A) Synoptic region.
B) Source region.
C) Semi-permanent mass cell.
D) Tropospheric mixing zone.

Answer 23

B) Source region.

Question 24

A true statement with respect to air masses would be:

A) They have uniform properties of temperature and moisture in the vertical.
B) Air masses are classified according to their moisture content.
C) The transition zone between adjacent air masses is always very wide and diffuse.
D) Air masses are seldom more than several hundred kilometers across.

Answer 24

B) Air masses are classified according to their moisture content.

Question 25

When Continental Arctic (cA) air moves southbound over the great lakes during winter you would expect:

A) Steam fog over the southern shorelines.
B) Freezing rain over the southern portions of the lakes.
C) Radiation fog to form over the northern shorelines.
D) Snow showers immediately to the south of southern shorelines.

Answer 25

D) Snow showers immediately to the south of southern shorelines.

Question 26

Which of the following would you expect to occur when Maritime Tropical (mT) air moves northwards over the great lakes in the spring and early summer?

A) Scattered thunderstorm activity.
B) The formation of nimbostratus cloud layers over the middle of the lakes.
C) Rain showers over the southern shores.
D) Low stratus cloud, drizzle and fog over the north shores.

Answer 26

D) Low stratus cloud, drizzle and fog over the north shores.

Question 27

As Continental Arctic (cA) air moves southbound over the Great Lakes in early autumn, it often produces:

A) Extensive stratocumulus cloud development over the northern shoreline.
B) Widespread advection fog over the southern shorelines.
C) Steam fog over the northern portions of the lakes.
D) Snow showers over the middle portions of the lakes.

Answer 27

C) Steam fog over the northern portions of the lakes.

Question 28

Fronts are named according to:

A) The steepness of the lapse rate in the warmer air mass.
B) The colder air mass and its direction of movement.
C) The pressure gradient across the frontal surface.
D) The warmer air mass and its direction of movement.

Answer 28

B) The colder air mass and its direction of movement.

Question 29

Which of the following warm fronts would likely be present on Canadian weather charts during the winter months?

A) Maritime Polar and Maritime Tropical.
B) Continental Arctic and Maritime Polar.
C) Maritime Arctic and Maritime Polar.
D) Continental Arctic and Maritime Arctic.

Answer 29

D) Continental Arctic and Maritime Arctic.

Question 30

As you fly towards a warm front where the warm air is moist and unstable, the sequence of clouds that you would expect to encounter would be:

A) CI, CS, AS, NS.
B) CI, CS, AS, NS, and embedded CB’s.
C) CS, AC, SC, SF.
D) CI, CC, ADD, ST.

Answer 30

B) CI, CS, AS, NS, and embedded CB’s.