HACER TEST

ATPL 50 METEOROLOGY

50.03 THERMODYNAMICS

1 Given the following metar: eddm 250850z 2000 r26r/p1500n r26l/1500n br sct002 ovc003 05/05 q1025 nosig

Visibility is reduced by water droplets 33005kt

2 Isobars on a surface chart are lines of equal subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

Qnh

3 Look at this taf for zurich airport taf lszh 211322 22018g35kt 9999 sct012 bkn030 becmg 1315 25025g45kt tempo 1720 4000 +shra bkn025tcu becmg 2022 25015kt t1815z t1618z = which of these statements best describes the weather most likely to be experienced at 1500 utc?

Meteorological visibility 10 kilometres or more, main cloudbase 3000 feet, wind 250°, temperature 18° c.

4 In which of the following metar reports, is the probability of fog formation in the coming night the highest?

1850z 15003kt 6000 sct120 05/04 q1032 becmg 1600 =

5 Which of these four metar reports suggests that a thunderstorm is likely in the next few hours?

1350z 21005kt 9999 sct040cb sct100 26/18 q1016 tempo 24018g30 ts =

6 Which of these four metar reports suggests that rain is most likely in the next few hours?

23015kt 8000 bkn030 ovc070 17/14 q1009 becmg

7 Which of the following phenomena can produce a risk of aquaplaning?

+ra

8 Which of the following meteorological phenomena can rapidly change the braking action of a runway?

+fzra

9 What does the term trend signify?

It is a brief landing forecast added to the actual weather report

10 Refer to the taf for amsterdam airport. fcnl31 281500 eham 281601 14010kt 6000 -ra sct025 becmg 1618 12015g25kt sct008 bkn013 tempo 1823 3000 ra bkn005 ovc010 becmg 2301 25020kt 8000 nsw bkn020 = flight from bordeaux to amsterdam, eta 2100 utc. what lowest cloud base is forecast for arrival at amsterdam?

500 ft

11 (for this question use annex 050-2506a) what is the approximate height of the tropopause between munich and helsinki?

Fl 340

12 (for this question use annex 050-2505a) flight zurich to rome, etd 1600 utc, eta 1800 utc. at what flight level would you first expect to encounter clear air turbulence on the climb out from zurich? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

Fl 220

13 (for this question use annex 050-2504a) what is the optimum flight level between rome and paris according to the significant weather chart?

Fl 340

14 (for this question use annex 050-2503a) over paris at what height would you expect to find the tropopause according to the map?

30000 ft

15 (for this question use annex 050-2496a) which airport, at 1200 utc, has the lowest probability of precipitation?

Lszh

16 (for this question use annex 050-2493a) over madrid, what intensity of turbulence and icing is forecast at fl 200 ?

Moderate turbulence, moderate icing

17 The isobars drawn on a surface weather chart represent lines of equal pressure

Reduced to sea level

18 The rvr, as reported in a metar, is always the

Value representative of the touchdown zone

19 The validity of a taf is

Stated in the taf

20 Atis information contains

Meteorological and operational information

21 If cavok is reported then

No low drifting snow is present

22 Runway visual range can be reported in

A metar

23 Sigmet information is issued as a warning for significant weather to

All aircraft

24 A speci is

An aviation selected special weather report

25 On the european continent metars of main airports are compiled and distributed with intervals of

0.5 hour

26 Refer to taf below. egbb 261812 28015g25kt 9999 sct025 tempo 1822 29018g35kt 5000 shrasn bkn010cb prob30 tempo 1821 1500 tsgr bkn008cb becmg 2124 26010kt from the taf above you can assume that visibility at 2055z in birmingham (egbb) will be :

Not less than 1,5 km of 10 km.

27 Which of the following weather reports could be, in accordance with the regulations, abbreviated to "cavok"? (msa above ground : lszb 10000 ft, lszh 8000 ft, lsgg 12000 ft, lfsb 6000 ft)

Lszb 28012kt 9999 ovc100 16/12 q1012 becmg 5000 =

28 Which of the following weather reports could be, in accordance with the regulations, abbreviated to "cavok"? (msa above ground: lszb 10000 ft, lszh 8000 ft, lsgg 12000 ft, lfsb 6000 ft)

Lsgg 22003kt 9999 sct120 bkn280 09/08 q1026 becmg 5000 =

29 In which of the following 1850 utc metar reports, is the probability of fog formation, in the coming night, the highest?

Vrb01kt 8000 sct250 11/10 q1028 becmg 3000 =

30 In which weather report would you expect to find information about icing conditions on the runway?

Metar

31 What does the abbreviation "nosig" mean?

No significant changes

32 What does the expression "broken (bkn)" mean?

5-7 eights of the sky is cloud covered

33 What is a trend metar/speci, valid for 2 hours

A landing forecast

34 (for this question use annex 050-2432a) at which airport, is the following weather development taking place? taf 060716 25006kt 8000 bkn240 becmg 0710 ovc200 becmg 1013 23010kt 8000 ovc100 becmg 1316 23014kt 6000 ra sct030 ovc050 =

Eddl

35 (for this question use annex 050-2433a) what weather conditions are expected at paris airport (lfpo) around 0550 utc?

23014kt 3000 +ra sct008 ovc025 15/13 q1004 nosig =

36 Which statement is true for a conditionally unstable layer?

The environmental lapse rate is less than 1° c/100m

37 The stability in a layer is increasing if

Warm air is advected in the upper part and cold air in the lower part

38 Which of the following statements concerning the lifting of a parcel of air is correct ?

Unsaturated parcels cool more rapidly than saturated parcels

39 (for this question use annex 050-2513a) at what approximate flight level is the tropopause over frankfurt?

Fl 330

40 If a saturated air mass descends down a slope its temperature increases at

A lower rate than in dry air, as evaporation absorbs heat.

41 Within a short interval, several flight crews report that they have experienced strong clear air turbulence in a certain airspace. what is the consequence of these reports?

The competent aviation weather office will issue a sigmet

42 What does the term hourly intervals

A sigmet is an actual weather report at an aerodrome and is generally issued at half-

43 In a layer of air the decrease in temperature per 100 metres increase in height is more than 1° c. this layer can be described as being

Absolutely unstable

44 (for this question use annex 050-2509a) you are flying from munich to amsterdam. which of the following flight levels would you choose in order to avoid turbulence and icing?

Fl 260

45 Refer to the following taf extract: m. becmg 1821 2000 bkn004 prob30 becmg 2124 0500 fg vv001 what does the abbreviation "vv001" mean?

Vertical visibility 100 ft.

46 In the weather briefing interest in these flight phase of a passenger flight from zurich to rome, you examine the following weather reports of pressing importance at the time: einn shannon 2808 sigmet 2 valid 0800/1100 loc sev turb fcst einn fir blw fl 050 south of 53n wkn = limm milano 2809 sigmet 2 valid 0900/1500 mod sev cat btn fl 250 and fl 430 fcst limm fir stnr nc = egll london 2808 sigmet nr01 valid 0800/1200 for london fir isol cb embd in lyr cloud fcst tops fl 300 btn 52n and 54n east of 002e sev ice sev turb ts also fcst mov e wkn = which decision is correct?

Because of the you select a flight level below fl 250.

47 Refer to the following taf extract: m. 2000 m. becmg 1821 2000 bkn004 prob30 becmg 2124 0500 fg vv001 what visibility is forecast for 2400 utc?

500 m.

48 Refer to the following taf extract: becmg 1821 2000 bkn004 prob30 becmg 2124 0500 fg vv001 what does the abbreviation "bkn004" mean?

5 - 7 oktas, ceiling 400 ft.

49 (for this question use annex 050-2511a) at what flight level is the jet stream core that is situated over nothern scandinavia ?

Fl 280

50 At a weather station, at 0600 utc, the air temperature and dew point are respectively: t = - 0,5° c,td = -1,5° c. in the metar message transmitted by this station, the "temperature group" will be:

M00/m01

51 What does the term

A metar is a warning of dangerous meteorological conditions within a fir.

52 Refer to the following taf extract. becmg 1821 2000 bkn004 prob30 becmg 2124 0500 fg vv001 what does the abbreviation "prob30" mean?

Probability of 30%.

53 How long from the time of observation is a trend in a metar valid?

2 hours.

54 Refer to the following taf extract: becmg 1821 2000 bkn004 prob30 becmg 2124 0500 fg vv001 what does the "becmg" data indicate for the 18 to 21 hour time frame?

The new conditions are achieved between 1800 and 2100 utc

55 Appended to a metar you get the following runway report: 1650428 what must you consider when making performance calculations?

The friction coefficient is 0.28.

56 What is a speci? have been observed. subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

A selected special aerodrome weather report, issued when a significant change of the weather conditions

57 What units are used to report vertical wind shear?

Kt/100 ft.

58 In which of the following circumstances is a subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

Marked mountain waves. metar.

59 (for this question use flight shannon to london. what amount and type of cloud is forecast for the eastern sector of the route between shannon and london at fl 220 ?

W ell separated

60 (for this question use type of cloud would you expect at fl 160 ?

Mainly 5 to 8 oktas of cumuliform cloud and with moderate turbulence

61 (for this question use annex 050-2556a) to what extent is munich covered by clouds ?

5 to 8 oktas

62 Which of the following weather reports is a warning of conditions that could be potentially hazardous to aircraft in flight ?

Sigmet.

63 (for this question use annex 050-2558a) what oat would you expect at fl 200 over geneva ?

-24° c

64 (for this question use annex 050-3030a) to which aerodrome is the following taf most applicable ? taf 231019 24014kt 6000 sct030 bkn100 tempo 1113 25020g38kt 2500 +tsra sct008 bkn025cb becmg 1315 28012kt 9999 sct025 tempo 5000 shra bkn020 becmg 1719 27008kt 9999 sct030

Loww

65 Which of the four metar ? temperature 2° c. 2000 m, vertical 3 kt.

Meteorological visibility 400 m, rvr for runway 16 1000 m, dew point - 2° c, freezing fog.

66 You receive the 0300 r05/0700n fg vv001 m02/m02 q1014 nosig = what will be the rvr at 0900 utc?

The rvr is unknown, following metar : lsgg 0750z 00000kt

67 Does the following

The report is possible, possible, because, with a temperature of 2° c and a dew point of 2° c of 5 km if shallow fog is fog.

68 (for this question use annex 050-2550a) flight munich to london. what is the direction and maximum speed of the jet stream affecting the route between munich and london ?

220° / 120 kt

69 Refer to the taf for fcfr31 281400 lfbd 1524 26015kt 9999 shra bkn020 tempo 1620 26020g30kt 8000 +shra bkn015cb prob30 tsra = flight lisbon to bordeaux, eta 1800 utc. what type of precipitation is forecast on the approach to bordeaux ?

Heavy rain showers

70 (for this question use annex 050-2512a) at which position could you encounter thunderstorms, and what is the maximum height of the cb clouds?

Position b, fl 270.

71 (for this question use annex 050-2522a) select from the map the wind for the route zurich - london at fl 280. subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

220 / 60

72 (for this question use annex 050-2523a) what is the average wind at fl 160 between zurich and rome ?

020/50

73 (for this question use annex 050-2529a) the temperature at fl 330 overhead london will be

-45° c

74 Refer to the taf for amsterdam airport. fcnl31 281500 eham 281601 14010kt 6000 -ra sct025 becmg 1618 12015g25kt sct008 bkn013 tempo 1823 3000 ra bkn005 ovc010 becmg 2301 25020kt 8000 nsw bkn020 = flight from bordeaux to amsterdam, eta 2100 utc. what is the minimum visibility forecast for eta amsterdam ?

3 km

75 Refer to the taf for amsterdam airport. fcnl31 281500 eham 281601 14010kt 6000 -ra sct025 becmg 1618 12015g25kt sct008 bkn013 tempo 1823 3000 ra bkn005 ovc010 becmg 2301 25020kt 8000 nsw bkn020 = flight from bordeaux to amsterdam, eta 2100 utc. at eta amsterdam what surface wind is forecast ?

120° / 15 kt gusts 25 kt

76 Refer to the taf for bordeaux airport. fcfr31 281400 lfbd 1524 26015kt 9999 shra bkn020 tempo 1620 26020g30kt 8000 +shra bkn015cb prob30 tsra = flight lisbon to bordeaux, eta 1800 utc. at eta bordeaux what is the lowest quoted visibility forecast ?

8 km

77 (for this question use annex 050-2545a) what wind is forecast at fl 390 over paris ? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

210/40

78 (for this question use annex 050-2547a) what is the average temperature at fl 160 between oslo and paris ?

-19° c

79 (for this question use annex 050-2548a) what is the temperature deviation in degrees celsius, from the international standard atmosphere overhead frankfurt ?

Isa -4° c

80 (for this question use annex 050-2549a) what is the speed of the front located over france ?

15 kt

81 Which of the following is true concerning atmospheric pressure ?

It decreases with height

82 An isohypse (contour)

Indicates the true altitude of a pressure level

83 Qnh is defined as

Qfe reduced to msl using the values of the standard atmosphere

84 (for this question use in what height range and at what intensity could you encounter turbulence in cat area n° 2?

From fl 220 to fl 400, moderate

85 In order to reduce qfe to qnh, which of the following item(s) must be known ?

Elevation of the airfield

86 In the central part of the atlantic ocean between 10° n and 20° n the prevailing winds are

Ne trade winds

87 Above and below a low level inversion the wind is likely to

Change significantly in speed and direction

88 An inversion is

An absolutely stable layer

89 If in a 100 m thick layer the temperature at the bottom of the layer is 10° c and at the top of the layer is 8° c then this layer is

Absolutely unstable

90 A layer in which the temperature decreases with 1° c per 100m is

Neutral for dry air

91 A layer in which the temperature increases with height is

Absolutely stable

92 A layer in which the temperature remains constant with height is

Absolutely stable

93 A layer is absolutely unstable if the temperature decrease with height is

More than 1° c per 100m

94 Which of the statements is true concerning squall lines ?

For severe squall lines a sigmet is issued

95 Vertical wind shear is

Vertical variation in the horizontal wind

96 The most dangerous low level wind shears are encountered

When strong ground inversions are present and near thunderstorms

97 The rate of cooling of ascending saturated air is less than the rate of cooling of ascending unsaturated air because:

Heat is released during the condensation process

98 A pilot is warned of severe icing at certain flight levels by information supplied in

Swc and sigmet

99 The decrease in temperature, per 100 metres, in a saturated rising parcel of air at lower level of the atmosphere is approximately

0.6° c

100 During an adiabatic process heat is

Neither added nor lost

101 The decrease in temperature, per 100 metres, in an unsaturated rising parcel of air is

1° c

102 What is the dry

3.0° c.

103 In the troposphere the height

Is smaller at higher hpa near msl.

104 What is the approximate vertical interval which is equal to a pressure change of 1 hpa at an altitude of 5500 m ?

15 m (50 ft).

105 A parcel of unsaturated the condensation level and then returned to its original level. what is the final temperature of the parcel of air?

The same as the qfe.

106 What is the effect of a inversion ? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

It promotes vertical strong low level

107 In order to calculate qfe from qnh, which of the following must be known ?

Elevation of the airfield.

108 A parcel of moist but not saturated air rises due to adiabatic effects. which of the following changes ?

Relative humidity

109 How may the correct

By interpolation of the direction and speed from the 300 hpa chart.

110 W hy are indications tropics?

The tropopause is about the height of the tropopause not essential for flight documentation in the

111 In the taf for dehli, during the summer, for the time of your landing you note: tempo ts. what is the maximum time this deterioration in weather can last in anyone instance ?

60 minutes.

112 (for this question use annex 050-2053a) what is the wind direction and speed at 3 000 ft overhead position "q" at 0600 utc? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

270° 30 kt.

113 (for this question use annex 050-2059a) which typical weather situation is shown on the weather chart ? (spacing of the isobars: 5 hpa)

Uniform pressure pattern.

114 What positions are connected by isobars on the surface weather chart? 2 switzerl (for this question use 1 3 4 2 0 0 0 -1 annex 050-2055a) the cold front is indicated with a number at position:

Positions with the same air pressure at a given level

115 What type of air

Convergence with lifting. descending air.

116 What is encountered during the summer, over land, in the centre of a cold air pool?

Showers and thunderstorms.

117 How do you recognize a cold air pool?

As a low pressure area aloft (e.g. on the 500 hpa chart).

118 Low level vertical wind shear can be expected during the night

In association with radiation inversions

119 A sample of moist but

Expanding it adiabatically

120 A moist but unsaturated

Lifting the parcel to a area with higher pressure and equal temperature

121 A cold pool

Is usually most evident in the circulation and temperature fields of the middle troposphere and may show little or no sign on a surface chart

122 The height of the lifting condensation level is determined by

Temperature and dewpoint at the surface

123 Refer to the following taf for zurich. lszh 261019 20018g30kt 9999 - ra sct050 bkn080 tempo 23012kt 6000 -dz bkn015 bkn030 becmg 1518 23020g35kt 4000 ra ovc010= the lowest visibility forecast at eta zurich 1430 utc is: subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

6 km.

124 8/8 stratus base 200 ft/agl is observed at sunrise at an aerodrome in the north of france. the qnh is 1028 hpa and there is a variable wind of 3 kt. what change in these clouds is likely at 12:00 utc in summer and winter?

W inter: ovc base 500 ft/agl. summer sct base 3000 ft/agl.

125 (for this question use

Fine and warm at first - and hill fog

126 (for this question use position "r" is

Fine and warm with little anticyclonic gloom

127 The following weather report eddm 241322 vrb03kt 1500 hz ovc004 becmg 1517 00000kt 0500 fg vv002 tempo 2022 0400 fg vv001 is a : subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

9 hour taf.

128 In metar messages, the pressure group represents the

Qnh rounded down to the nearest hpa.

129 (for this question use annex 050-10850a) the pressure distribution located mainly in square 2a is a

Ridge of high pressure

130 (for this question use annex 050-4380a) if you are flying from zurich to london at fl 220, what conditions can you expect at cruising altitude?

Scattered thunderstorms

131 (for this question use annex 050-4393a) the attached chart shows the weather conditions on the ground at 1200 utc on october 10. which of the following reports reflects weather development at zurich airport? annex 050-4392a) which typical weather condition is shown by the design for northern italy? annex 050-4391a) pattern which typical weather condition is shown by the design for the area of central europe ?

Taf lszh 101601 vrb02kt 8000 sct280 becmg 1618 00000kt 3500 mifg becmg 1820 1500 bcfg becmg 2022 0100 fg vv001 =

132 (for this question use annex 050-4388a) on which of these routes would you not need to worry about icing at fl 180?

Hamburg - stockholm

133 (for this question use annex 050-4387a) which of these statements is true?

Scattered thunderstorms can be expected over france

134 (for this question use annex 050-4386a) if you are flying from zurich to shannon at fl 340, where will your cruising altitude be?

Constantly in the stratosphere

135 (for this question use annex 050-4385a) judging by the chart, on which of these routes can you expect to encounter moderate and locally severe cat at fl 300?

Zurich - rome

136 (for this question use annex 050-4384a) judging by the chart, what windspeeds can you expect at fl 340 above rome? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

145 kt

137 (for this question use annex 050-4383a) if you are flying from zurich to stockholm at fl 240, what conditions can you expect at cruising altitude?

Largely free of cloud. moderate icing half way along the route

138 Refer to the following taf for zurich. lszh 061019 20018g30kt 9999 - ra sct050 bkn080 tempo 23012kt 6000 -dz bkn015 bkn030 becmg 1518 23020g35kt 4000 ra ovc010= the lowest cloud base forecast at eta zurich (1200 utc) is:

1500 ft.

139 (for this question use annex 050-4381a) which of the following statements is true?

The front to the north of frankfurt is moving north-east at about 5 kt

140 If the qnh at locarno (200 metres above sea level) is 1025 hpa, what is the approximate qfe?

1000 hpa

141 (for this question use annex 050-4379a) looking at the chart, at what altitude above frankfurt would you expect the tropopause to be located? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

Fl 310

142 (for this question use annex 050-4378a) on which of the following routes can you expect icing to occur, on the basis of the chart?

Rome - frankfurt

143 (for this question use annex 050-4377a) select from the map the average temperature for the route geneva - stockholm at fl 260.

-47° c

144 (for this question use annex 050-4376a) select from the map the average wind for the route shannon - lisboa at fl 290.

360/80

145 (for this question use annex 050-4375a) select from the map the average temperature for the route zurich - lisboa at fl 200.

-33° c

146 (for this question use annex 050-4374a) select from the map the average wind for the route zurich - hamburg at fl 240.

230/20

147 (for this question use annex 050-4373a) what is the deviation of the temperature at fl 140 above copenhagen compared to isa? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

8° c colder than isa

148 (for this question use annex 050-4372a) select from the map the average temperature for the route athens - geneva at fl 150.

-14° c

149 (for this question use annex 050-4371a) select from the map the average wind for the route athens - geneva at fl 160.

240/40

150 (for this question use annex 050-4370a) what is the mean temperature deviation from isa for the frankfurt - rome route?

4° c colder than isa

151 (for this question use annex 050-4369a) assuming a normal vertical temperature gradient, at what altitude will the freezing level above tunis be found?

Fl 100

152 (for this question use annex 050-4368a) select from the map the average wind for the route frankfurt - rome at fl 170.

230/40

153 (for this question use annex 050-4382a) on which of these routes would you not have to worry about turbulence at fl 340? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

Shannon - hamburg

154 Which is true of a secondary depression in the northern hemisphere?

It tends to move round the primary in a cyclonic sense

155 (for this question use annex 050-10784a) the pressure system at position "d" is a

Col

156 (for this question use annex 050-10727a) assuming a generalised zonal system of world climatic and wind circulation, zone "u" is in area of

Ne trade winds

157 (for this question use annex 050-10725a) assuming a generalised zonal system of world climatic and wind circulation, zone "y" is an area of

Travelling low pressure systems

158 (for this question use annex 050-10724a) considering melbourne (c) in july, the weather is predominantly influenced by the zone of

Subtropical high pressure, with the occasional passage of fronts originating in the adjacent zone of disturbed temperate low pressure

159 (for this question use annex 050-10723a) assuming a generalised zonal system of world wind circulation the travelling low pressure systems are applicable to zone

S and y

160 (for this question use annex 050-10722a) assuming a generalised zonal system of world climatic and wind circulation, zone "t" is an area of 3 united ki (for this question use w t u v -1 0 0 0 annex 050-10721a) assuming a generalised zonal system of world wind circulation, the se trade winds are applicable to zone

Subtropical high pressure systems

161 The station pressure used in surface weather charts is

Qff

162 If the qnh at locarno (200 metres above sea level) is 1015 hpa, what is the approximate qfe? (assume 1hpa = 8m)

990 hpa

163 If the qfe at locarno (200 metres above sea level) is 1000 hpa, what is the approximate qnh?

1025 hpa

164 If the qfe at locarno (200 metres above sea level) is 980 hpa, what is the approximate qnh ?

1005 hpa

165 The qff at an airfield in california located 69 metres below sea level is 1030 hpa. the air temperature is 10° c lower than a standard atmosphere. what is the qnh? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

More than 1030 hpa

166 The qnh at an airfield in california located 69 metres below sea level is 1018 hpa. the air temperature is 10° c higher than a standard atmosphere. what is the qff?

More than 1018 hpa

167 The qnh at an airfield located 0 metres above sea level is 1022 hpa. the air temperature is not available. what is the qff?

1022 hpa

168 The qnh at an airfield located 200 metres above sea level is 1022 hpa. the air temperature is not available. what is the qff?

It is not possible to give a definitive answer

169 The qnh at an airfield located 200 metres above sea level is 1009 hpa. the air temperature is 10° c lower than a standard atmosphere. what is the qff?

More than 1009 hpa

170 The qff at an airfield located 400 metres above sea level is 1016 hpa. the air temperature is 10° c lower than a standard atmosphere. what is the qnh? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

Less than 1016 hpa

171 The qff at an airfield located 400 metres above sea level is 1016 hpa. the air temperature is 10° c higher than a standard atmosphere. what is the qnh?

More than 1016 hpa

172 With a uniform pressure pattern and no thunderstorms around, what will the indication of the aneroid altimeter of an aircraft parked on the ground do over a period of about ten minutes?

Apparently nothing, because any changes would be small.

173 (for this question use annex 050-4363a) which of the following weather conditions would be expected at athens airport (lgat) at around 1450 utc?

21002kt 6000 br sct040 29/16 q1026 nosig =

174 Extensive cloud and precipitation is often associated with a non frontal thermal depression because of :

Surface convergence and upper level divergence causing widespread ascent of air in the depression

175 Low level wind shear is likely to be greatest

At the top of a marked surface-based inversion.

176 (for this question use annex 050-4367a) look at the chart. assuming a normal vertical temperature gradient, at what altitude will the freezing level above shannon be found? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

Fl 60

177 (for this question use annex 050-4366a) select from the map the average temperature for the route zurich - rome at fl 110.

-9° c

178 (for this question use annex 050-4364a) which airport is most likely to have fog in the coming night?

Lszh

179 (for this question use annex 050-4362a) at which airport is the following weather development taking place? taf 231322 24014g32kt 4000 +tsra sct005 bkn015 bkn020cb becmg 1416 29012kt 9999 bkn030tcu sct100 tempo 8000 shra bkn025tcu becmg 1922 27012kt 9999 sct030 ovc220 =

Einn

180 Compare the following taf and volmet reports for nice: taf 240716 vrb02kt cavok = 0920z 13012kt 8000 sct040cb bkn100 20/18 q1015 tempo ts = what can be concluded from the differences between the two reports ?

That the weather at nice is clearly more volatile than the taf could have predicted

181 Which of the following statements is an interpretation of the sigmet ? sigmet valid 121420/121820 embd ts obs and fcst in w part of athinai fir / mov e / intst nc = subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

Thunderstorms must be expected in the western part of the thunderstorm zone is moving east. intensity is constant

182 Which of the following statements is an interpretation of the sigmet ? lsaw switzerland 0307 sigmet 2 valid 030700/031100 lssw mod to sev cat fcst north of alps btn fl 260 and fl 380 / stnr / intsf =

Moderate to severe clear air turbulence to be expected north of expected north of the alps zone between fl 260 and fl 380

183 Which of the following statements is an interpretation of the metar ? 00000kt 0200 r14/0800u r16/p1500u fzfg vv001 m03/m03 q1022 becmg 0800 =

Rvr for runway 14 800 metres, vertical visibility 100 feet, calm, improving to 800 metres in the next 2 hours

184 Which of the following statements is an interpretation of the metar ? 25020g38kt 1200 +tsgr bkn006 bkn015cb 23/18 q1016 becmg nsw =

Gusts of 38 knots, thunderstorm with heavy hail, dew point 1016 hpa

185 Which of the following weather reports could be, in accordance with the regulations, abbreviated to "cavok"?

27019g37kt 9999 bkn050 18/14 q1016 nosig =

186 Which of the following weather reports could be, in accordance with the regulations, abbreviated to "cavok"? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

15003kt 9999 bkn100 17/11 q1024 nosig =

187 Refer to the taf for zurich airport taf lszh 250716 00000kt 0100 fg vv001 becmg 0810 0800 vv002 becmg 1012 23005kt 2500 bkn005 tempo 1316 6000 sct007 = which of these statements best describes the weather that can be expected at 1200 utc?

Meteorological visibility 2,5 kilometres, cloudbase 500 feet, knots

188 (for this question use annex 050-4365a) select from the map the average wind for the route zurich - rome at fl110. subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

230/10

189 Marseille information gives you the following meteorological information for ajaccio and calvi for 1600 utc : ajaccio: wind 360° /2 kt, visibility 2000 m, rain, bkn stratocumulus at 1000 ft, ovc altostratus at 8000 ft, qnh 1023 hpa. calvi: wind 040° /2 kt, visibility 3000 m, mist, few stratus at 500 ft, sct stratocumulus at 2000 ft, ovc 9000 ft, qnh 1023 hpa. the ceilings (more than 4 oktas) are therefore:

1000 ft at ajaccio and 9000 ft at calvi

190 Between which latitudes are you most likely to find the region of travelling low pressure systems ? subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

55° - 75°

191 Between which latitudes are you most likely to find the subtropical high- pressure belt ?

25° - 35° .

192 What is the wind speed given in a metar report based on?

The average speed of the previous 10 minutes

193 What is the meaning of the abbreviation "sct" ?

3 - 4 oktas

194 Which is true of a typical non frontal thermal depression?

It forms over land in summer

195 A trough of low pressure on a surface synoptic chart is an area of subject/sec aragraph wording domanda rispostaa rispostab rispostac rispostad ck1 ck2 ck3 ck4

Convergence and widespread ascent

196 With an intense trough of low pressure over iceland during wintertime the weather likely to be experienced is :

Strong wind shear, convection and snow showers

PREGUNTAS TEMAS PNB PER.