Test 120 exam questions on Meteorology for ATPL - Airline Transport Pilot license

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1 - Continuous updraughts occur in a thunderstorm during the Dissipating stage. Mature stage. Period in which precipitation is falling. Initial stage.

2 - When a cold front has passed over a meteorological station it will result in: A steady fall in pressure and a veering of the surface wind. A steady fall in pressure and a backing of the surface wind. A steady rise in pressure and a backing of the surface wind. A steady rise in pressure and a veering of the surface wind.

3 - Which of the following cloud types can project up into the stratosphere? Cirrostratus Cumulonimbus Altostratus Altocumulus

4 - What pressure is defined as QFE? The pressure of the altimeter The pressure reduced to sea level using actual temperatures The pressure at field elevation The pressure reduced to sea level using ISA temperatures

5 - The boundary between polar and tropical air is known as: Tropical front. Cold front. Polar front. Warm front.

6 - Which of the following statements concerning an isothermal layer in the atmosphere is correct? Air parcels that are forced to rise through an isothermal layer keep the same temperature. An isothermal layer is formed when the air in the layer is well mixed by turbulence. An isothermal layer is absolutely stable. The vertical temperature gradient lies between the dry and saturated adiabatic lapse rates.

7 - The weather associated with a cold front may vary from a minor change of wind to a serious thunderstorm with low cloud base, bad visibility and strong, gusty winds. The type of weather depends on: All answers are correct. The speed and slope of the cold front. The stability of the warm air. The amount of humidity in the warm air.

8 - In a low pressure system the convergence at the surface is caused by Centripetal forces The inbalance of the horizontal gradient force and the Coriolis force Frictional forces The curvature of the isobars

9 - Which of the following is a common cause of ground or surface temperature inversion ? Terrestrial radiation on a clear night with no or very light winds. Heating of the air by subsidence The movement of colder air under warm air, or the movement of warm air over cold air. Warm air being lifted rapidly aloft, in the vicinity of mountainous terrain.

10 - The temperature at FL 140 is -12°C.What will the temperature be at FL 110 if the ICAO standard lapse rate is applied? -18°C -6°C What will the temperature be at FL 110 if the ICAO standard lapse rate is applied? -18°C -6°C -15°C -9°C

11 - After a sunny day, followed by a long clear night, you take-off from an airfield at mid- latitudes in the northern hemisphere an hour before sunrise. The field is not situated close to the coast. Though the pressure gradient is rather large, the easterly surface wind is weak. What do you expect? A little increase in wind speed and little veering of the wind up to a height of 5000 FT A large but gradual increase in wind speed and large but gradual veering of the wind up to a height of 5000 FT A squally wind up to great heights A sudden strong increase in wind speed and strong veering of the wind a short time after take-off

12 - A temperature of +15°C is recorded at an altitude of 500 metres above sea level. If the vertical temperature gradient is that of a standard atmosphere, what will the temperature be at the summit of a mountain, 2500 metres above sea level? 0°C +4°C -2°C +2°C

13 - The process by which water vapour is transformed directly into ice is known as: Supercooling Sublimation Radiation cooling Supersaturation

14 - In which squares are conditions most likely to cause the occurrence of low level wind shear?

3 B and 3 C 3 A and 3 B 3 B and 3 D 3 A and 3 C

15 - The ICAO Standard Atmosphere (ISA) assumes that temperature will reduce at the rate of: 1,98°C per 1000 FT up to 36090 FT and will then rise at 0.3°C per 1000 FT up to 65617 FT when it will remain constant 2°C per 1000 FT up to 65617 FT after which it will remain constant to 104987 FT 1.98°C per 1000 FT up to 36090 FT after which it remains constant to 65617 FT 2°C per 1000 FT up to 36090 FT and will then increase at 0.3°C per 1000 FT up to 65617 FT

16 - In which layer is most of the atmospheric humidity concentrated? Stratosphere Tropopause Stratopause Troposphere

17 - An aircraft is flying at FL 80. The local QNH is 1000 hPa. After the second altimeter has been adjusted to the local QNH, the reading will be approximately: 8350' 8600' 8000' 7650'

18 - At what time of the year, are the paths of north Atlantic lows moving from west to east generally at their most southerly position? Winter Autumn Spring Summer

19 - What is a favourable synoptic situation for the development of a Scirocco? High pressure area over Italy Extension of the Azores high pressure area over the Alps Low pressure area in the western part of the Mediterranean sea High pressure area in the western part of the Mediterranean sea

20 - Which one of the displayed cloud forms is representative of altocumulus lenticularis? 3 4 2 1

21 - A cumulonimbus cloud at mid-latitudes in summer contains Only water droplets Only ice crystals Ice crystals, water droplets and supercooled water droplets Ice crystals and water droplets but never supercooled water droplets

22 - What causes surface winds to flow across the isobars at an angle rather than parallel to the isobars? The greater density of the air at the surface. Coriolis force. The greater atmospheric pressure at the surface. Surface friction.

23 - After passing at right angles through a very active cold front in the direction of the cold air, what will you encounter at FL 50, in the northern hemisphere immediately after a marked change in temperature? A backing in the wind direction. A veering in the wind direction. A decrease in tailwind. An increase in tailwind.

24 - Assuming the usual direction of movement, where will this polar frontal wave have moved to (after a certain time)?

Position 3 Position 4 Position 2 Position 1

25 - Which weather phenomena are typical for the northern side of the Alps with strong winds from the south (Foehn)? Continuous precipitation, severe turbulence. Good visibility, turbulence. Icing, huge mass of clouds. Decrease in temperature, moderate to severe icing.

26 - Isolated thunderstorms of a local nature are generally caused by Frontal lifting (warm front). Thermal triggering. Frontal occlusion. Frontal lifting (cold front).

27 - An air mass is stable when Temperature in a given area drops off very rapidly with height Lifted air returns to its original level The lapse rate is 1°C per 100 m Pressure is constant

28 - Where, in central Europe, are the highest wind speeds to be found ? At about 5500 metres altitude Just below the tropopause In the stratosphere Close to the ground

29 - In mature Cb's the probability of severe icing, according to meteorological rules, is greatest in the following temperature range: -23°C to -40°C +5°C to 0°C -40°C to -60°C 0°C to -23°C

30 - You are flying from Munich to Amsterdam. Which of the following flight levels would you choose in order to avoid turbulence and icing? FL 180 FL 320 FL 140 FL 260[see Annex]

31 - Which of the following statements concerning the core of a polar front jet stream is correct ? It lies in the warm air Its pressure surfaces are horizontal at the height of the core It and its surface projection lie in the warm air It lies in the cold air

32 - 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 ? 120 minutes. 60 minutes. 20 minutes. 10 minutes.

33 - Relative humidity at a given temperature is the relation between Water vapour weight and dry air weight Water vapour weight and humid air volume Actual water vapour content and saturated water vapour content Dew point and air temperature

34 - On a clear summer day, turbulence caused by solar heating is most pronounced: Immediately after sunset During early morning hours before sunrise During the early afternoon About midmorning

35 - An easterly wave is a Small scale wave disturbance in the tropics, moving from east to west, with severe convective activity ahead of its trough Wave-like disturbance in the monsoon regime of India, moving from east to west, with severe convective activity ahead of its trough Disturbance in the higher levels associated with the equatorial easterly jet, moving from east to west, with severe convective activity in rear of its trough Wave in a trade wind belt, moving from east to west, with severe convective activity in rear of its trough

36 - What type of cloud is being described ?A generally grey cloud layer with fairly uniform base and uniform appearance, which may give drizzle or snow grains. When the sun is visible through the cloud, the outline is clearly discernible. Sometimes it appears in the form of ragged patches. Altostratus Stratus Cirrostratus Nimbostratus

37 - What winds and air mass characteristics are mainly associated with the winter monsoon in the monsoon regions of the Indian sub-continent? North-Easterly winds bringing dry and hazy air. South-Easterly winds carrying warm and humid air. North-Westerly winds bringing dry and hazy air. South-Westerly winds carrying warm and humid air.

38 - About ten identical clouds are in the sky, well isolated from one another, dense, with well defined contours, developing vertically in a cauliflower shape. The side of these clouds lit by the sun is bright white. Their base, relatively dark, is essentially horizontal and at FL 30, and their tops at FL 150. These clouds are Broken Cumulus humilis Towering Cumulus Stratocumulus Altocumulus castellanus

39 - The value of the saturated adiabatic lapse rate is closest to that of the dry adiabatic lapse rate in: Freezing fog Stratus Cirrus Cumulus

40 - In which of these cloud types can icing be virtually ruled out? SC CU NS CI

41 - What is the technical term for an increase in temperature with altitude? Adiabatic Subsidence Advection Inversion

42 - EHAM 120600Z 02025KT 3000 RA BKN005 OVC015 11/10 Q1012=Which of the following is the correct decode for the Amsterdam METAR? Observation at 06:00 UTC, wind 020° at 25 kts, visibility 3000 m in rain, clouds: broken with base 500 ft AGL and 8 oktas with base 1500 ft AGL, temperature +11°C, dew point +10°C, QNH 1012 hPa. Period of validity between 06:00 UTC and 00:00 UTC Wind 020° at 25 kts, visibility 3000 m in rain, clouds: broken with base 500 ft AGL and 8 oktas with base 1500 ft AGL, temperature +11°C, dew point +10°C, QNH 1012 hPa. Period of validity between 06:00 UTC and 00:00 UTC

43 - Considering the North Atlantic area north of 60°N during winter, the mean height of the tropopause is approximately: 56000' 37000' 29000' 20000'

44 - An aircraft is approaching under visual flight rules an airfield (northern hemisphere) whose runway is parallel to the coast. When downwind over the sea, the airfield is on the left. What wind effect should be anticipated on final approach and landing during a sunny afternoon ? Crosswind from the right Tailwind Crosswind from the left Headwind

45 - The jetstream and associated clear air turbulence can sometimes be visually identified in flight by Long streaks of cirrus clouds. A high-pressure centre at high level A constant outside air temperature Dust or haze at high level

46 - What is the main composition of clouds classified as 'high level clouds'? Supercooled water droplets. Ice crystals. Water vapour. Water droplets.

47 - Isolated thunderstorms of a local nature are generally caused by: Thermal triggering. Frontal lifting (cold front). Frontal lifting (warm front). Frontal occlusion.

48 - For the same pressure gradient at 60°N, 50°N and 40°N the speed of the geostrophic wind will be The same at all latitudes Greatest at 40°N Least at 50°N Greatest at 60°N

49 - 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? 1009 hPa Less than 1009 hPa More than 1009 hPa It is not possible to give a definitive answer

50 - Which of the following conditions are you most likely to encounter when approaching an active warm front at medium to low level ? Low cloud base and poor visibility. High cloud base, good surface visibility, and isolated thunderstorms. Extreme turbulence and severe lightning striking the ground. Severe thunderstorms at low altitude.

51 - What jet streams are likely to be crossed during a flight from Stockholm to Rio de Janeiro (23°S) at FL 350 in July ? A polar front jet stream followed by one or two subtropical jet streams. One subtropical jet stream. A polar front jet stream followed by a subtropical jet stream and later, a second polar front jet stream. A subtropical jet stream followed by a polar front jet stream.

52 - For a VFR aircraft, the conditions in which it could encounter severe airframe icing are: Flight into supercooled rain, resulting in rime ice formation Flight into an area outside of clouds where the temperature is below 0°C, resulting in rime ice formation Flight into freezing rain, resulting in clear ice formation Flight between two cloud layers, without precipitation, resulting in clear ice formation

53 - The temperature at FL 160 is -22°C. What will the temperature be at FL 90 if the ICAO standard lapse rate is applied ? -4°C -8°C What will the temperature be at FL 90 if the ICAO standard lapse rate is applied ? -4°C -8°C +4°C 0°C

54 - What are the characteristics of cumuliform clouds? Large water droplets, instability, turbulence, showers and mainly clear ice. Small water droplets, instability, turbulence, extensive areas of rain and rime ice. Small water droplets, stability, no turbulence and extensive areas of rain. Large water droplets, stability, no turbulence, showers and mainly rime ice.

55 - Which statement is correct for the southern hemisphere? The jet streams are Easterly In the friction layer the wind backs with increasing height If the wind veers with increasing height then warm air is advected The wind veers at the passage of a cold front

56 - What weather conditions in the region of the Alps would you expect with Foehn from south? Heavy clear air turbulence on the southern side of the Alps Strong north winds on the southern side of the Alps Clouds, on the southern sides of passes in the Alps Heavy airframe icing conditions on the northern side of the Alps

57 - Surface temperature inversions are frequently generated by Terrestrial radiation on a calm clear night Compression causing the release of latent heat in a layer of stratiform cloud Gusting winds increasing surface friction during the day with consequent mixing at the lower levels An unstable air mass causing convection currents and mixing of the atmosphere at lower levels

58 - Assume that an aircraft is flying in the northern hemisphere at the 500 hPa pressure surface on a heading of 270 degrees. Which of the following statements is correct? If in this pressure surface the wind comes from the direction 180 degrees, then true altitude is increasing If in this pressure surface the wind comes from the direction 360 degrees, then true altitude is increasing If in this pressure surface the wind comes from the direction 090 degrees, then true altitude is increasing If in this pressure surface the wind comes from the direction 270 degrees, then true altitude is increasing

59 - The morning following a clear, calm night when the temperature has dropped to the dewpoint, is likely to produce A cold front Advection fog Radiation fog Good clear weather

60 - An isothermal layer is a layer of air in which the temperature Increases with height Decreases with height at a constant rate Remains constant with height Increases with height at a constant rate

61 - Along the West coast of India the prevailing winds are the SW monsoon in July and a SE monsoon in January NE monsoon in July and a SW monsoon in January SW monsoon in July and a NE monsoon in January SE monsoon in July and a SW monsoon in January

62 - In Geneva, the local QNH is 994 hPa. The elevation of Geneva is 1411 FT. The QFE adjustment in Geneva is 967 hPa. 942 hPa. 948 hPa. 961 hPa.

63 - Advection is: Horizontal motion of air The same as convection The same as subsidence Vertical motion of air

64 - The wind speed in a system with curved isobars compared to a system with straight isobars is (other conditions being the same) Higher if curvature is anticyclonic Higher if curvature is cyclonic Always lower Always higher

65 - Strongly developed cumulus clouds are an indication of The presence of a low level inversion Instability in the atmosphere Poor surface visibility The presence of warm air aloft

66 - Half the mass of the atmosphere is found in the first: 8 km 3 km 11 km 5 km

67 - What positions are connected by isobars on the surface weather chart? Positions with the same air pressure at a given level Positions with the same relative pressure heights Positions with the same wind velocity at a given level Positions with the same temperature at a given level

68 - What is the relationship between visibility and RVR in homogeneous fog? The visibility generally is less than the RVR. There is no specific relationship between the two. The visibility generally is the same as the RVR. The visibility generally is greater than the RVR.

69 - The radiation of the sun heats The surface of the earth, which heats the air in the troposphere The air in the troposphere only directly if no clouds are present The water vapour in the air of the troposphere The air in the troposphere directly

70 - How does moderate turbulence affect an aircraft? Large, abrupt changes in altitude or attitude occur but the aircraft may only be out of control momentarily. Changes in altitude or attitude occur but the aircraft remains in positive control at all times. Continued flight in this environment will result in structural damage. Rapid and somewhat rhythmic bumpiness is experienced without appreciable changes in altitude or attitude.

71 - During the climb after take-off, the altimeter setting is adjusted at the transition altitude. If the local QNH is 1023 hPa, what will happen to the altimeter reading during the resetting procedure ? It will increase It will remain the same It will decrease It is not possible to give a definitive answer

72 - What is the relationship, if any, between QFE and QNH at an airport situated 50 ft below sea level? QFE is greater than QNH. QFE is smaller than QNH. No clear relationship exists. QFE equals QNH.

73 - Which weather chart gives information about icing? Significant weather chart. 700 hPa chart. 500 hPa chart. Surface chart.

74 - In what height range and at what intensity could you encounter turbulence in CAT area n°2?

From FL 240 to FL 370, light From FL 220 to FL 400, moderate From FL 250 to FL 320, moderate From below FL 130 to FL 270, light

75 - What is the approximate maximum diameter of a the area affected by damaging winds at the surface caused by a microburst ? 20 km 400 m 50 km 4 km

76 - 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 Occurs frequently in winter to the south of the Alps when this region is under the influence of cold north-westerly airstream Normally disappears at night and occurs almost exclusively in summer Develops usually in winter when very unstable maritime polar or maritime arctic air currents stream southwards along the eastern side of an extensive ridge of high pressure, in association with occluded systems

77 - Which of the following statements is true with regard to a mature thunderstorm: The cloud top assumes anvil shaped. Both up-currents and down-currents appear concurrently. The top of the cloud is negatively charged and the base is positively charged. Water droplets, hail and snow are all present.

78 - The Bora is a Squally warm katabatic wind which occurs mainly in summer Cold katabatic wind with gusts associated with a maritime air mass Cold katabatic wind with the possibility of violent gusts Cold katabatic wind always associated with clouds and heavy showers

79 - The first clouds are thin, wispy cirrus, followed by sheets of cirrus and cirrostratus, and altostratus. The sun is obscured as the altostratus thickens and drizzle or rain begins to fall. The cloud base is lowering as Nimbostratus arrives. These phenomena describe the approach of a Warm front Sea-breeze front Trade wind front Cold front

80 - Which jet stream is connected with a surface front system? The subtropical jet stream The easterly jet stream The equatorial jet stream The polar front jet stream

81 - What degree of turbulence, if any, is likely to be encountered while flying through a cold front in the summer over Central Europe at FL 100? Severe turbulence in CB cloud. Light turbulence in ST cloud. Light turbulence in CB cloud. Moderate turbulence in NS cloud.

82 - Advection fog is most likely to form when Cold air is forced over higher ground and further adiabatic cooling occurs A mild moist airstream flows over snow covered ground and the wind speed is less than 10 kt Warm maritime air flows over a relatively warmer surface and the wind speed is greater than 15 kt Cold maritime air flows over a warmer surface and the wind speed is greater than 15 kt

83 - Normally, temperature readings are taken at a height of ___ in a Stevenson screen. 2 m 40 cm 10 m 4 m

84 - At what degree of icing should ICAO's 'Change of course and/or altitude desirable' recommendation be followed? Light Moderate Extreme Severe

85 - What is the approximate speed of a 90 km/h wind, expressed in knots? 50 kt 70 kt 60 kt 55 kt

86 - A microburst phenomenon can arise in the: Downdraught of a cumulonimbus at the mature stage. Updraught of a cumulonimbus at the growth stage. Downdraught of a cumulonimbus at the initial stage. Updraught of a cumulonimbus at the mature stage.

87 - The most dangerous icing conditions are encountered in Icy clouds at high levels. Unstable clouds at medium levels. Supercooled precipitation. Zones where the air temperature is below -15°

88 - A wind of 20 knots corresponds to an approximate speed of 10 km/h 40 m/sec 50 km/h 10 m/sec

89 - In relation to the polar front jet stream, the greatest rate of wind shear is most likely to occur Well below the core On the tropical side of the core Close to the core on the polar side 5000 FT or more above the core

90 - The thickness of the troposphere varies with Longitude Latitude The wind Rotation of the earth

91 - At which altitude, at temperate latitudes, may hail be expected in connection with a CB? From the ground up to about FL 200. From the ground up to about FL 100. From the ground up to a maximum of FL 450. From the base of the clouds up to about FL 200.

92 - Which of the following is true of a land breeze? It blows by day It blows from water to land It blows only at noon It blows from land to water

93 - An aircraft is flying from south to north, above the polar front jet stream, at FL 400 in the southern hemisphere. What change, if any, in temperature will be experienced? It increases It stays the same It decreases It decreases and then increases

94 - The final stage of a thunderstorm is reached when: No further electrical charge is developed. A well developed anvil can be seen. All of the above. The lower portion of the cloud dissipates.

95 - During a flight over the sea at FL 100 from Marseille (QNH 1016 hPa) to Palma de Mallorca (QNH 1016 hPa), the true altitude is constantly decreasing. What is the probable reason for this ? The altimeter is faulty One of the QNH values must be wrong The air at Palma de Mallorca is warmer than that at Marseille The air at Marseille is warmer than that at Palma de Mallorca

96 - An aircraft is flying over the Alps on a warm summer's day. The weather is fine, and there is a high pressure system in the area. During the flight, a mountain is passed at an altitude of its summit. What reading will the aneroid altimeter give, compared to the summit's elevation? A higher altitude than the elevation of the summit The same altitude as the elevation of the summit A lower altitude than the elevation of the summit There is insufficient information to come to a conclusion

97 - An aircraft lands at an airport (airport elevation 1240 FT, QNH 1008 hPa). The altimeter is set to 1013 hPa. The altimeter will indicate: 1375 FT. 1280 FT. 1105 FT. 1200 FT.

98 - What is the surface visibility most likely to be, in a warm sector of tropical maritime air, during a summer afternoon in western Europe? Good (greater than 10 km) Very poor (less than 1 km) Very good (greater than 50 km) Moderate (several km)

99 - While crossing a jet stream at right angles in Western Europe (3000 FT below its core) and OAT is decreasing, what would be the prevailing wind? Crosswind from the left A tailwind. A headwind. Crosswind from the right

100 - The air mass affecting position "C" is most likely to be:

Continental tropical Maritime tropical Continental polar Maritime polar

101 - Which of the following is typical for the passage of an active cold front in the summer? Rapid drop in pressure once the front has passed Mainly layered clouds Rapid increase in temperature once the front has passed Mainly towering clouds

102 - Assuming a generalised zonal system of world wind circulation, the NE trade winds are applicable to zone

T V U W

103 - On the Significant Weather Chart, we see the following indications: SCT CU 060/100The forecast charts for FL 050 and FL 100 both indicate a wind from 320°/15 kt. In flight at FL 055 over an area of plains (flat country) during the validity period of the Significant Weather Chart, we observe moderate turbulence. This turbulence is caused by The instability of the air mass between the surface and the top of Cumulus clouds. The surface radiation. A wind shear. System waves.

104 - In which of the following regions does polar maritime air originate? East of Greenland Black Sea Baltic Sea Region of British Isles

105 - What is a radiosonde? Equipment used for determining upper winds (velocity and direction) by transmitting different radio waves and measuring the amount of the reflected waves by the moving air. These values correlate to the speed and direction of the wind. Instrument intended to be carried by a balloon up through the atmosphere, equipped with devices to measure meteorological variables and provided with a radio transmitter for sending this information to the observing station. A meteorological station on ground or water at which measurements of meteorological variables are made automatically and a radio transmitter sends automatically this information to a meteorological centre. These data from such a station are indicated in a METAR by the term auto. Equipment used for determining upper winds only (velocity and direction) by tracking a free balloon by electronic means at the observing station.

106 - With all other quantities being constant, the density of the atmosphere increases with increasing Air pressure Temperature Stability Relative humidity

107 - What positions are connected by contour lines on a weather chart? Positions with the same air density. Positions with the same thickness between two constant pressure levels. Positions with the same wind velocity. Positions with the same height in a chart of constant pressure.

108 - An inversion is An increase of temperature with height A decrease of temperature with height A decrease of pressure with height An increase of pressure with height

109 - Hoar frost forms on an aircraft as a result of Freezing rain striking the aircraft Droplets forming on the aircraft and then freezing Water vapour turning directly into ice crystals on the aircraft surface Small super-cooled droplets striking the aircraft

110 - Which of the following describes a warm occlusion? The air mass ahead of the front is drier than the air mass behind the front The air mass behind the front is more unstable than the air mass ahead of the front The warmer air mass is ahead of the original warm front The coldest air mass is ahead of the original warm front

111 - A super-cooled droplet is: A water droplet that is mainly frozen A small particle of water at a temperature below -50°C A droplet still in liquid state at a temperature below 0°C A water droplet that has been frozen during its descent

112 - A vertical spacing of 1000 FT is the standard required separation between two FL. Under conditions of cold air advection (ISA -15°C), what would the true vertical separation be? It remains 1000' More than 1000' Less than 1000' Without QNH information, it can not be determined

113 - The approximate inclined plane of a warm front is: 1/150 1/500 1/300 1/50

114 - An outside air temperature of -35°C is measured while cruising at FL 200. What is the temperature deviation from the ISA at this level? 10°C warmer than IS 5°C warmer than IS 10°C colder than IS 5°C colder than IS

115 - Wind is caused by The rotation of the earth Friction between the air and the ground Horizontal pressure differences The movements of fronts

116 - Why do tropical revolving storms tend to develop mostly in the western parts of the tropical oceans? Because there is a maximum of humidity as a result of the trade winds long sea passage Because the gulf formation of the coastlines triggers a strong rotary circulation Because there is a maximal temperature difference between land mass and sea Because they are areas in which there is a strong progressive wind shear with increase of height

117 - During a cross-country flight at FL 50, you observe the following sequence of clouds: Nimbostratus, Altostratus, Cirrostratus, Cirrus.Which of the following are you most likely to encounter ? Strong, gusty winds. A strong downdraught. Decreasing temperatures. Increasing temperatures.

118 - The length, width and height of a typical mid-latitude jet stream are respectively 1000 nautical miles, 150 nautical miles, 30000 feet 1000 nautical miles, 150 nautical miles, 10000 feet 200 nautical miles, 5 nautical miles, 18000 feet 1000 nautical miles, 5000 to 8000 feet, 30000 feet

119 - What is meant by an area of divergence? A frontal zone. An area where air masses are moving in. A high pressure area. An area where air masses are moving out.

120 - A plain in Western Europe with an average height of 500 m (1600 FT) above sea level is covered with a uniform CC layer of cloud during the summer months. At what height above the ground is the base of this cloud to be expected? 15000 - 35000 FT above the terrain 100 - 1500 FT above the terrain 1500 - 7000 FT above the terrain 7000 - 15000 FT above the terrain

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Exam simulation Meteorology ATPL - Airline Transport Pilot license

Exam simulation atpl 120 questions on 120 minutes