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

Lesson 22 - Reporting & Forecasting Flashcards

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
Q

What is RVR?

A

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.

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26
Q

In a METAR, + represents?

A

Heavy

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27
Q

In a METAR, - represents?

A

Light

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28
Q

In a METAR, DZ represents?

A

Drizzle

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29
Q

In a METAR, RA represents?

A

Rain

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30
Q

In a METAR, FZ represents?

A

Freezing

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31
Q

In a METAR, SH represents?

A

Showers

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32
Q

In a METAR, SQ represents?

A

Squalls

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33
Q

In a METAR, TS represents?

A

Thunderstorms

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34
Q

In a METAR, FC represents?

A

Funnel Cloud

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35
Q

In a METAR, SN represents?

A

Snow

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36
Q

In a METAR, BL represents?

A

Blowing

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37
Q

In a METAR, DR represents?

A

Drifting

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38
Q

In a METAR, GR represents?

A

Hail

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39
Q

In a METAR, GS represents?

A

Small Hail / Snow Pellets

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40
Q

In a METAR, PL represents?

A

Ice Pellets

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41
Q

In a METAR, IC represents?

A

Ice Crystals

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42
Q

In a METAR, SG represents?

A

Snow Grains

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43
Q

In a METAR, FG represents?

A

Fog

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44
Q

In a METAR, BR represents?

A

Mist

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45
Q

In a METAR, PR represents?

A

Banks

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46
Q

In a METAR, BC represents?

A

Patches

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47
Q

In a METAR, MI represents?

A

Shallow

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48
Q

In a METAR, HZ represents?

A

Haze

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49
Q

In a METAR, FU represents?

A

Smoke (remember: Fumes!)

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50
Q

In a METAR, SA represents?

A

Sand

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51
Q

In a METAR, SS represents?

A

Sand Storm

52
Q

In a METAR, DU represents?

53
Q

In a METAR, DS represents?

A

Dust Storm

54
Q

In a METAR, PO represents?

A

Dust Devils

55
Q

In a METAR, VA represents?

A

Volcanic Ash

56
Q

In a METAR, VC represents?

A

In the Vicinity

57
Q

In a METAR, FEW represents?

A

Few (Clouds) 1-2 oktas

58
Q

In a METAR, SCT represents?

A

Scattered (Cloud) 3-4 oktas

59
Q

In a METAR, BKN represents?

A

Broken (Cloud) 5-7 oktas

60
Q

In a METAR, NSC represents?

A

No significant cloud. (None below 5000ft and no TCU or CB)

61
Q

In a METAR, TCU represents?

A

Towering Cumulonimbus

62
Q

In a METAR, CB represents?

A

Cumulonimbus

63
Q

In a METAR, VV/// represents?

A

State of sky obscured. Vertical visibility. /// will be replaced with numbers which present hundreds of feet.

64
Q

In a METAR, NCD represents?

A

No cloud detected

65
Q

In a METAR, CAVOK represents?

A

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
Q

In a METAR, BECMG represents?

A

Becoming - permanent change at sometime during the stated period.

67
Q

In a METAR, TEMPO represents?

A

Temporarily a non permanent change, less likely than the general conditions reported.

68
Q

In a METAR, NOSIG represents?

A

No significant change.

69
Q

In a METAR, NSW represents?

A

No significant weather.

70
Q

In a METAR, AT represents?

A

A permanent change at the stated time.

71
Q

In a METAR, FM represents?

A

A permanent change from the stated time

72
Q

In a METAR, TL represents?

A

Until the stated time

73
Q

In a METAR, NSC represents?

A

No significant cloud

74
Q

What is a TAF?

A

A Terminal Aerodrome Forecast - a Forecast (not a report) of expected conditions. [Rumour]

75
Q

A TAF describes forecast conditions at an Aerodrome and cover a period of…

A

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
Q

If the code AND is noted at the start of the TAF this means…

A

It has been amended.

77
Q

If the code COR is noted at the start of the TAF this means…

A

That it has been corrected.

78
Q

If the code NIL is noted at the start of the TAF this means…

A

That the TAF is missing.

79
Q

If the code CNL is noted at the start of the TAF this means…

A

That the TAF has been cancelled.

80
Q

SIGNMETS are issued by designated MET Offices and are valid for…

81
Q

WAF SIGWX (World Area Forecast Significant Weather Charts) apply to which altitudes?

A

Between 10,000-63,000ft

82
Q

SIGWX are produced daily at

A

Six hourly intervals

83
Q

On a SIGWX the following symbol means..

A

Tropical Cyclone

84
Q

On a SIGWX the following symbol means..

A

Severe Squall Line

85
Q

On a SIGWX the following symbol means..

A

Moderate Turbulence

86
Q

On a SIGWX the following symbol means..

A

Sever Turbulence

87
Q

On a SIGWX the following symbol means..

A

Mountain Waves

88
Q

On a SIGWX the following symbol means..

A

Moderate Aircraft Icing

89
Q

On a SIGWX the following symbol means..

A

Severe Aircraft Icing

90
Q

On a SIGWX the following symbol means..

A

Widespread Fog

91
Q

On a SIGWX the following symbol means..

A

Radioactive materials in the atmosphere

92
Q

On a SIGWX the following symbol means..

A

Volcanic Eruption

93
Q

On a SIGWX the following symbol means..

A

Mountain Obscuration

94
Q

On a SIGWX the following symbol means..

A

Cold front at the surface

95
Q

On a SIGWX the following symbol means..

A

Warm front at the surface

96
Q

On a SIGWX the following symbol means..

A

Occluded front at the surface

97
Q

On a SIGWX the following symbol means..

A

Quasi-stationary front at the surface

98
Q

On a SIGWX the following symbol means..

A

Tropopause High

99
Q

On a SIGWX the following symbol means..

A

Tropopause Low

100
Q

On a SIGWX the following symbol means..

A

Tropopause Level

101
Q

On a SIGWX the following symbol means..

102
Q

On a SIGWX the following symbol means..

103
Q

On a SIGWX the following symbol means..

104
Q

On a SIGWX the following symbol means..

105
Q

On a SIGWX the following symbol means..

106
Q

On a SIGWX the following symbol means..

A

Widespread blowing snow

107
Q

On a SIGWX the following symbol means..

A

Severe Sand or Dust Haze

108
Q

On a SIGWX the following symbol means..

A

Widespread sandstorm or dust storm

109
Q

On a SIGWX the following symbol means..

A

Widespread Haze

110
Q

On a SIGWX the following symbol means..

A

Widespread Mist

111
Q

On a SIGWX the following symbol means..

A

Widespread Smoke

112
Q

On a SIGWX the following symbol means..

A

Freezing Precipitation

113
Q

On a SIGWX the following symbol means..

A

Position, Speed and Level of Maximum Wind

114
Q

On a SIGWX the following symbol means..

A

Convergence Line

115
Q

On a SIGWX the following symbol means..

A

Freezing Level

116
Q

On a SIGWX the following symbol means..

A

Intertropical Concergence Zone

117
Q

On a SIGWX the following symbol means..

A

State of the Sea

118
Q

On a SIGWX the following symbol means..

A

Sea Surface Temperature

119
Q

On a SIGWX the following symbol means..

A

Widespread Strong Surface Wind

120
Q

What does ATIS stand for?

A

Automatic Terminal Information Service

121
Q

What is a VOLMET?

A

A recorded message that contains weather information on loop 24hours a day and updated every 30minutes.
French origin VOL (flight) and METEO (weather).

122
Q

What is a GAMET?

A

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
Q

What is an FIR?

A

Flight Information Region

124
Q

What are Aerodrome warnings issued for?

A

What can affect aircraft on the ground of Aerodromes.

125
Q

What are Windshear Warnings and Alerts for?

A

Give concise information in the observed or expected existence of windshear on the approach or takeoff path.

126
Q

What are Air Reports?

A

-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
Q

What are Special Air Reports?

A

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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