MET post PT 3 Flashcards
(40 cards)
The conditions required for mountain wave (MTW) to form are [ ] air, a wind of [ ] blowing [ ] the mountain ridge.
[stable] [>20kt][across]
The [ ] is the organisation responsible for producing gridded air forecasts.
[WAFC]
Considering the weather conditions over Ecuador in the region of the ITCZ, what hazards to flight are likely?
a.Density altitude increasing causing the altimeter to under-read
b.Low pressure causing the altimeter to over-read
c.Low pressure causing the altimeter to under-read
d.Tropical revolving storms
b.Low pressure causing the altimeter to over-read
Which of the items listed below are broadcast through ATIS? (pick 3)
[wind vector] [time] [visibility]
Clear air turbulence CAT can be defined as
a.Turbulent movement of air occurring in the absence of any visual clues
b.The meeting of air masses moving at different speeds in mountainous areas
c.Severe turbulence associated with thunderstorms
d.Disturbed air flow that causes violent buffeting of aircraft identified by lenticular cloud
a.Turbulent movement of air occurring in the absence of any visual clues
The approximate number of hurricanes occurring in the N Atlantic annually is [ ].
[ 7 ]
Are the following statements true or false?
I. Polar Ice Cap is the source of polar maritime air;
II. Air masses are all stable at source
Question 7 Answer
a.I is correct, II is false
b.I is false, II is correct
c.Both statements are false
d.I and II are both correct
b.I is false, II is correct
In the northern hemisphere ahead of a warm front the wind [ ] below the friction layer and [ ] above the friction layer
[veers] [veers]
An aerodrome situated on top of hill with a 500ft elevation is reporting fog; a nearby aerodrome with an elevation of 200ft is reporting visibility 8000m. What is the most probable reason for the difference in conditions?
a.Convective activity
b.Surface cooling by terrestrial radiation
c.An upslope wind
d.The passage of a cold front
c.An upslope wind
In order to comply with operational minima a RVR of 300m is required. Which of the following aerodromes would be suitable for landing?
a.EGTK 120750Z 26002KT 0100 R23/0150D FG 08/07 Q1012
b.EGVN 120750Z 00000KT 0300 R16/M0050 FG 05/04 Q1008
c. EGTC 120750Z 23003KT 0250 R18/0300 FG 05/04 Q1008
d.EGBE 120750Z 21005KT 0350 R26/0200U FG 07/06 Q1008
c. EGTC 120750Z 23003KT 0250 R18/0300 FG 05/04 Q1008
Where would you expect to find rotor cloud in an area experiencing MTW?
a.Below the ridge on the lee side
b.Above the ridge on the windward side
c.Above the ridge on the lee side
d.Below the ridge on the windward side
a.Below the ridge on the lee side
The symbol labelled “Dinaro” indicates
a.volcanic ash cloud
b.the name of a hurricane
c.radioactive material
d.the name of a TRS forming the area
d.the name of a TRS forming the area
Refer to the image below showing a symbol in the ocean to the west of Australia located at S27 E106.
The label ‘Carlos’ refers to [ ].
[Tropical cyclone]
The pilot of a light aircraft, qualified for VFR flight only, takes off aware of a warm front approaching, noted during pre-flight planning. What should the pilot anticipate?
a.Fly away from the front and wait for it to pass
b.Stay below the freezing level and clear of cloud
c.Prepare for freezing precipitation and icing
d.Fly a track 5nm ahead of the warm front to avoid potential hazards
c.Prepare for freezing precipitation and icing
Satellite imagery is useful with respect to volcanic activity for
[tracking volcanic ash cloud movement]
With a wind blowing from 270 towards a mountain range, where is the greatest risk of icing most likely to occur?
a.On the north side of the range where the temperature is lower
b.In cloud forming on the lee side of the range
c.In cloud forming on the western side of the range
d.Above the cloud on the western side of the range
c.In cloud forming on the western side of the range
The diameter of an average tropical revolving storm is
a.1000km
b. 50km
c.100km
d.500km
d.500km
In the northern hemisphere ahead of a warm front the surface wind will [ ] on the passage of the warm front and
[ ] on the passage of the cold front
[veer][veer]
In order to comply with operational minima a RVR of 550m is required. Which of the following aerodromes would be suitable for landing?
a.EGBB 120750Z 21005KT 0350 R26/0400U FG 07/06 Q1008=
b.EGNX 120750Z 00000KT 0500 R16/0500 FG 05/04 Q1008=
c.EGBE 120750Z 26002KT 1000 R23/0700D BR BKN008 12/10 Q1012=
d.EGCC 120750Z 23003KT 0400 R18/0400 FG VV006 05/04 Q1008=
c.EGBE 120750Z 26002KT 1000 R23/0700D BR BKN008 12/10 Q1012=
Which of the following describes turbulence that a pilot is required to report?
a.Turbulence that causes slightly, rapid, somewhat rhythmic bumpiness without appreciable changes in altitude or attitude
b.Turbulence that momentarily causes slight, erratic changes in altitude and/or attitude (pitch, roll, yaw).
c.Moderate changes in aircraft attitude and/or altitude may occur but the aircraft remains in positive control at all times. Usually, small variations in airspeed.
d.Occupants may feel a slight strain against seat belts or shoulder straps. Unsecured objects may be displaced slightly.
c.Moderate changes in aircraft attitude and/or altitude may occur but the aircraft remains in positive control at all times. Usually, small variations in airspeed.
Using the chart extract below, the approximate wind speed is [ ]
and the direction is [ ] in the region marked with the red circle.
[30mps] [280 degrees]
An image on an IR satellite chart shows as an elongated white shape and the same shape on a visible image appears translucent. What is this likely to be?
a.Cs
b.Cc
c.CB
d.St
a.Cs
The main hazard associated with ice crystal icing is
a.Engine power reduction or malfunction
b.The stabilizer being rendered ineffective
c.Loss of control due to ailerons freezing
d.Ice build up on the wing
a.Engine power reduction or malfunction
A high sub-tropical latitude would be at
a.10 degrees N and S
b.30 degrees N and S
c.60 degrees N and S
d.0 degrees
b.30 degrees N and S
