Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

1_AeroCourse > Met Practical > Flashcards

Met Practical Flashcards

1
Q

Winds are shown on the GFA (Clouds & Weather) charts whenever they are forecasted to be ___kts or greater and visibility is shown when it’s forcasted to be ___sm or less.

A

20kts, 6sm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A dashed line enclosing an area of diagonal lines on a clouds and weather GFA chart represents…

A

showery precip

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A scalloped border encloses organized areas of clouds, where the sky condition is either…

A

broken (BKN) or overcast (OVC).​

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

On a GFA, how would you decode the following IFR outlook:

IFR CIG/VIS SN/BR/FG OVR NRN NF

A

IFR conditions, due to Ceilings/Visibility due to Snow/Mist/Fog Over Northern Newfoundland.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are SIGMETS?

A

Weather warnings

  • valid for 4hrs
  • reporting hazardous flight conditions
  • such as severe thunderstorms, icing, and turbulence
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Aerodrome forecasts provide wind, visibility, weather and cloud heights that relate to flight ops within ___nm of the airport.

A

5nm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

If TEMPO or PROB are included in the aerodrome forecast, can the airport be used as an alternate?

A

yes, but only if the TEMPO is not below your alternate minima and the PROB is not below the landing minima

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What does the following line mean in a METAR?

R36/1000V2400FT/D

A

Runway 36 RVR between 1000’ and 2400’. Trent is downward.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

A surface weather map shows conditions __ to __ hours before the map was issued.

A

2 to 3 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A surface weather chart show surface pressure patterns up to ___ ft.

A

3000ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Review weather symbols

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Name that front symbol?

A

Stationary frontolysis

(dashed lines between is frontolysis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Name that front symbol?

A

Stationary front

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Review these crazy pink symbols.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are these two?

A

Trowel (top)

Ridge (bottom)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Review frontogenesis symbols, which have spaces between the symbols.

A
17
Q

Name those front symbols?

A

Occluded front

Occluded frontolysis

18
Q

Fronts and pressure centres depicted on P SIG WIX charts represent…

A

their surface positions at the validity time of the chart.

19
Q

The term OCNL CB on a SIG chart means?

A

Embedded thunderstorms that are well seperated.

20
Q

Name that symbol?

A

intermittent snow

21
Q

Name that symbol?

A

Freezing drizzle, thunderstroms

22
Q

Surface winds are not included in GFA when they are expected tom be less than ___.

A

20kts

23
Q

SIGMETS can be received from ___ and are valid for ___ hours.

A

FSS, 4

24
Q
A

The freezing level at 10,000’

Isotherm = a line on a map connecting points having the same temperature at a given time or on average over a given period.

25
Q

What does “FRQ CB” mean?

A

thunderstorms with little or no separation

26
Q

The term CB forecast for an area also automatically implies ___ even if those symbols are not used.

A

moderate or severe turbulence and icing

27
Q

Upper wind (FDs) forecast state wind speed in ___ to the nearest ___ ° True.

A

Knots, 10°T

28
Q

Decode the following upper winds

FL240 740538

A
  • Add 50 to first two digits
  • Add 100 to second two digits
  • Last two digits are temp (minus is always assumed)
  • 74 - 50 = 24 > 240° True
  • 05 + 100 = 105 > 105kts
  • 38 = -38°C
29
Q

Upper Level Prog Charts are prepared for FL240, FL340 and FL450. They are issued ___ times a day and ___ hours before the validity times of 00Z, 06Z, 12Z, 18Z.

A

4 times | 12hrs

30
Q

Clear Air Turbulence (CAT) associated with jet streams occurs when… (3 items)

A
  • jet stream winds exceed 110kts
  • significant curve or bend, especially around a deep pressure trough
  • the jet stream passes just north of a surface frontal wave
31
Q

A forcasted area of turbulence implies a ___% probability of encountering turbulence in that area.

A

50%

32
Q

Jet streams are depicted on SIG WIX charts when their core speeds are forecast to attain ___kts or more

A

80

1_AeroCourse (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions