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GS281 - Meteorology > Lesson 22 - Reporting & Forecasting > Flashcards

Lesson 22 - Reporting & Forecasting Flashcards

(127 cards)

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1
Q

ICAO Stands For

A

International Civial Aviation Organisation

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2
Q

ICAO responsibility is….

A

Standardisation within International Aviation

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3
Q

World Meteorological Organisation (WMO) was established in 1952 to…

A

Standardise weather data collection and dissemination throughout member states

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4
Q

The World Area Forecast System (WAFS) object is to…

A

Supply meteorological authorities and other users with digital global aeronautical meteorological en-route forecasts.

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5
Q

World Area Forecast Centres, based in Washington and London prepare…

A

Upper-air and SIGWX (Significant Weather) Charts

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6
Q

Meteorological Offices produce…

A

Aerodrome Forecasts such as TAFs (Terminal Aerodrome Forecast)

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7
Q

Meteorological Stations (often based at Aerodrome) produce…

A

METAR (Meteorological Aerodrome Report)

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8
Q

Meteorological Watch Offices produce…

A

SIGMET (Significant Meteorological Information
Information issued by a meteorological watch office concerning the occurrence or expected occurrence of weather phenomena which may affect safe operations.)

AIRMET (Airmen’s Meteorological Information
Information issued by a meteorological watch office concerning the occurrence or expected occurrence of specified en-route weather phenomena which may affect the safety of low-level aircraft operations and which was not already included in the forecast issued for low-level flights in the flight information region concerned or sub-area thereof.)

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9
Q

Volcanic Ash Advisory Centres produce…

A

Information on Volcanic situations.

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10
Q

Tropical Cyclone Advisory Centres provide

A

Information on weather such as cyclones or hurricanes.

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11
Q

Numerical Weather Prediction is a method of predicting the weather based purely on

A

Mathematical and Modelling.

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12
Q

What is a METAR?

A

Meteorological Terminal Aviation Routine Weather Report

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13
Q

What is a SPECI?

A

Special Report of Meteorological Conditions

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14
Q

What is a TAF?

A

Terminal Aerodrome Forecast

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15
Q

What is a SIGMET?

A

Significant Meteorological Information
Information issued by a meteorological watch office concerning the occurrence or expected occurrence of weather phenomena which may affect safe operations.

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16
Q

What is a GAMET?

A

General Aviation Meteorological Information
An area forecast in abbreviated plain language for low-level flights for a flight information region or sub-area thereof, prepared by the meteorological office designated by the meteorological authority concerned and exchanged with meteorological offices in adjacent flight information regions, as agreed between the meteorological authorities concerned.

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17
Q

What is an AIRMET?

A

Airmen’s Meteorological Information
Information issued by a meteorological watch office concerning the occurrence or expected occurrence of specified en-route weather phenomena which may affect the safety of low-level aircraft operations and which was not already included in the forecast issued for low-level flights in the flight information region concerned or sub-area thereof.

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18
Q

What is a VOLMET?

A

A recorded message that contains weather information.
French origin VOL (flight) and METEO (weather).

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19
Q

What is D-VOLMET?

A

Datalink/Digital Volmet

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20
Q

What does ACARS stand for?

A

Aircraft Communications Addressing and Reporting System

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21
Q

What type of information can the crew request via ACARS?

A

Forecasts and Reports

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22
Q

METARs are normally issued every…

A

30 Minutes

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23
Q

A SPECI issued to update a METAR is issued?

A

As necessary

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24
Q

In a METAR is wind given as True or Magnetic?

A

True, rounded to the nearest 10’

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25
What is RVR?
Runway Visual Range provides pilots, air traffic service (ATS) units and other aeronautical users with information on runway visibility conditions during periods of low visibility.
26
In a METAR, + represents?
Heavy
27
In a METAR, - represents?
Light
28
In a METAR, DZ represents?
Drizzle
29
In a METAR, RA represents?
Rain
30
In a METAR, FZ represents?
Freezing
31
In a METAR, SH represents?
Showers
32
In a METAR, SQ represents?
Squalls
33
In a METAR, TS represents?
Thunderstorms
34
In a METAR, FC represents?
Funnel Cloud
35
In a METAR, SN represents?
Snow
36
In a METAR, BL represents?
Blowing
37
In a METAR, DR represents?
Drifting
38
In a METAR, GR represents?
Hail
39
In a METAR, GS represents?
Small Hail / Snow Pellets
40
In a METAR, PL represents?
Ice Pellets
41
In a METAR, IC represents?
Ice Crystals
42
In a METAR, SG represents?
Snow Grains
43
In a METAR, FG represents?
Fog
44
In a METAR, BR represents?
Mist
45
In a METAR, PR represents?
Banks
46
In a METAR, BC represents?
Patches
47
In a METAR, MI represents?
Shallow
48
In a METAR, HZ represents?
Haze
49
In a METAR, FU represents?
Smoke (remember: Fumes!)
50
In a METAR, SA represents?
Sand
51
In a METAR, SS represents?
Sand Storm
52
In a METAR, DU represents?
Dust
53
In a METAR, DS represents?
Dust Storm
54
In a METAR, PO represents?
Dust Devils
55
In a METAR, VA represents?
Volcanic Ash
56
In a METAR, VC represents?
In the Vicinity
57
In a METAR, FEW represents?
Few (Clouds) 1-2 oktas
58
In a METAR, SCT represents?
Scattered (Cloud) 3-4 oktas
59
In a METAR, BKN represents?
Broken (Cloud) 5-7 oktas
60
In a METAR, NSC represents?
No significant cloud. (None below 5000ft and no TCU or CB)
61
In a METAR, TCU represents?
Towering Cumulonimbus
62
In a METAR, CB represents?
Cumulonimbus
63
In a METAR, VV/// represents?
State of sky obscured. Vertical visibility. /// will be replaced with numbers which present hundreds of feet.
64
In a METAR, NCD represents?
No cloud detected
65
In a METAR, CAVOK represents?
Clouds and Visibility OK. Visibility greater or equal to 10km, no cumulonimbus or towering cumulus are reported and no cloud below 5000ft or highest MSA and no significant weather.
66
In a METAR, BECMG represents?
Becoming - permanent change at sometime during the stated period.
67
In a METAR, TEMPO represents?
Temporarily a non permanent change, less likely than the general conditions reported.
68
In a METAR, NOSIG represents?
No significant change.
69
In a METAR, NSW represents?
No significant weather.
70
In a METAR, AT represents?
A permanent change at the stated time.
71
In a METAR, FM represents?
A permanent change from the stated time
72
In a METAR, TL represents?
Until the stated time
73
In a METAR, NSC represents?
No significant cloud
74
What is a TAF?
A Terminal Aerodrome Forecast - a Forecast (not a report) of expected conditions. [Rumour]
75
A TAF describes forecast conditions at an Aerodrome and cover a period of…
Not less than 6hrs and not longer than 30hrs. TAFs valid for less than 12 hours are issued every 3hrs and those valid for 12 up to 30hrs every 6hrs.
76
If the code AND is noted at the start of the TAF this means…
It has been amended.
77
If the code COR is noted at the start of the TAF this means…
That it has been corrected.
78
If the code NIL is noted at the start of the TAF this means…
That the TAF is missing.
79
If the code CNL is noted at the start of the TAF this means…
That the TAF has been cancelled.
80
SIGNMETS are issued by designated MET Offices and are valid for…
4 Hours
81
WAF SIGWX (World Area Forecast Significant Weather Charts) apply to which altitudes?
Between 10,000-63,000ft
82
SIGWX are produced daily at
Six hourly intervals
83
On a SIGWX the following symbol means..
Tropical Cyclone
84
On a SIGWX the following symbol means..
Severe Squall Line
85
On a SIGWX the following symbol means..
Moderate Turbulence
86
On a SIGWX the following symbol means..
Sever Turbulence
87
On a SIGWX the following symbol means..
Mountain Waves
88
On a SIGWX the following symbol means..
Moderate Aircraft Icing
89
On a SIGWX the following symbol means..
Severe Aircraft Icing
90
On a SIGWX the following symbol means..
Widespread Fog
91
On a SIGWX the following symbol means..
Radioactive materials in the atmosphere
92
On a SIGWX the following symbol means..
Volcanic Eruption
93
On a SIGWX the following symbol means..
Mountain Obscuration
94
On a SIGWX the following symbol means..
Cold front at the surface
95
On a SIGWX the following symbol means..
Warm front at the surface
96
On a SIGWX the following symbol means..
Occluded front at the surface
97
On a SIGWX the following symbol means..
Quasi-stationary front at the surface
98
On a SIGWX the following symbol means..
Tropopause High
99
On a SIGWX the following symbol means..
Tropopause Low
100
On a SIGWX the following symbol means..
Tropopause Level
101
On a SIGWX the following symbol means..
Drizzle
102
On a SIGWX the following symbol means..
Rain
103
On a SIGWX the following symbol means..
Snow
104
On a SIGWX the following symbol means..
Shower
105
On a SIGWX the following symbol means..
Hail
106
On a SIGWX the following symbol means..
Widespread blowing snow
107
On a SIGWX the following symbol means..
Severe Sand or Dust Haze
108
On a SIGWX the following symbol means..
Widespread sandstorm or dust storm
109
On a SIGWX the following symbol means..
Widespread Haze
110
On a SIGWX the following symbol means..
Widespread Mist
111
On a SIGWX the following symbol means..
Widespread Smoke
112
On a SIGWX the following symbol means..
Freezing Precipitation
113
On a SIGWX the following symbol means..
Position, Speed and Level of Maximum Wind
114
On a SIGWX the following symbol means..
Convergence Line
115
On a SIGWX the following symbol means..
Freezing Level
116
On a SIGWX the following symbol means..
Intertropical Concergence Zone
117
On a SIGWX the following symbol means..
State of the Sea
118
On a SIGWX the following symbol means..
Sea Surface Temperature
119
On a SIGWX the following symbol means..
Widespread Strong Surface Wind
120
What does ATIS stand for?
Automatic Terminal Information Service
121
What is a VOLMET?
A recorded message that contains weather information on loop 24hours a day and updated every 30minutes. French origin VOL (flight) and METEO (weather).
122
What is a GAMET?
Is an area forecast published in a standard (abbreviated) format in support of AIRMET and SIGMET for low level flights up to FL100 for a FIR.
123
What is an FIR?
Flight Information Region
124
What are Aerodrome warnings issued for?
What can affect aircraft on the ground of Aerodromes.
125
What are Windshear Warnings and Alerts for?
Give concise information in the observed or expected existence of windshear on the approach or takeoff path.
126
What are Air Reports?
-Routine A/C observations during en-route and climb out phases. -Non routine A/C observations during flight. -During departure an A/C can be instructed to provide a report every 30secs for 10mins. -High density areas and A/C can be asked to pass a report every 15mins
127
What are Special Air Reports?
Shall be made by all aircraft encountering or have observed weather such as Turbulence, MTW, TS, DS, SS by air/ground data link.

GS281 - Meteorology (2 decks)

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