Index - Atpl Campus

100 item has been found

1-The length, width and depth of a typical mid-latitude jet stream are respectively

050 10922 Wind

1000 nautical miles, 150 nautical miles, 10000 feet 200 nautical miles, 5 nautical miles, 10000 feet 1000 nautical miles, 5000 to 8000 feet, 30000 feet 1000 nautical miles, 150 nautical miles, 30000 feet

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2-What is the approximate ratio between height and width for a jet stream cross section?

050 1563 Wind

1/100 1/10 1/1000 1/1

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3-During the winter months in mid-latitudes in the northern hemisphere, the polar front jet stream moves toward the

050 2173 Wind

north and speed increases south and speed decreases north and speed decreases south and speed increases

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4-The equatorial easterly jet is a jet stream that occurs:

050 1781 Wind

only in the summer of the northern hemisphere at approx. 45 000 FT during the whole year in the southern hemisphere during the whole year in the northern hemisphere only in the winter of the northern hemisphere at approx. 30 000 FT

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5-When and where is an easterly jet stream likely to be encountered ?

050 10953 Wind

In summer from south-east Asia extending over southern India to central Africa. In summer from the Middle East extending over the southern part of the Mediterranean to southern Spain. Throughout the year to the south of the Azorian high. In winter along the Russian coast facing the Arctic ocean.

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6-What is necessary for the development of a polar front jet stream?

050 13630 Wind

An unstable atmosphere up to great heights. Strong horizontal temperature gradients. Strong vertical temperature gradients. A uniform pressure pattern.

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7-The core of the polar front jet stream is usually located in the

050 10124 Wind

tropical air above the tropical tropopause polar air above the tropopause tropical air below the tropopause polar air below the tropopause

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8-Which jet stream is connected with a surface front system?

050 1581 Uncategorized Wind

The polar front jet stream The subtropical jet stream The equatorial jet stream The easterly jet stream

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9-What is the minimum speed for a wind to be classified as a jet stream?

050 1984 Wind

100 kt. 70 kt. 60 kt. 50 kt.

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10-What is the average height of the arctic jet stream core?

050 1562 Wind

30000 FT. 50000 FT. 20000 FT . 40000 FT.

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11-What is the average height of the jet core within a polar front jet stream?

050 1565 Wind

30000 FT. 50000 FT. 20000 FT. 40000 FT.

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12-Where, as a general rule, is the core of the polar front jet stream to be found?

050 12800 Uncategorized Wind

In the polar air mass. Just below the cold-air tropopause. In the tropical air mass. Just above the warm-air tropopause.

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13-In which zone of a polar front jet stream is the strongest CAT to be expected ?

050 13463 Uncategorized Wind

Exactly in the centre of the core. On the tropical air side of the core. About 12000 FT above the core. On the polar air side of the core.

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14-The most likely place to encounter clear air turbulence associated with a jet stream is

050 10924 Uncategorized Wind

5000 feet or more above the core on the tropical side of the core close to the core on the side facing the polar air well below the core

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15-Where is the wind speed of a polar front jet stream normally at its strongest?

050 16307 Wind

In the area between a trough and a ridge. In the area where the jet stream is curving around an anticyclone. In the area of a trough. In the area where the jet stream is curving around a depression.

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16-Which of the following is correct regarding the wind speed in a jet stream in the northern hemisphere?

050 15081 Wind

With colder air ahead when looking downwind, the wind speed increases with height, while with the colder air behind the wind speed decreases with height. With colder air to the left when looking upwind, the wind speed increases with height, while with the colder air to the right the wind speed decreases with height. With colder air behind when looking downwind, the windspeed increases with height, while with the colder air ahead the windspeed decreases with height. With colder air to the left when looking downwind, the wind speed increases with height, while with the colder air to the right the wind speed decreases with height.

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17-What name is given to the jet stream lying over Scandinavia (C)?

050 15008 Wind

Low level jet stream Subtropical jet stream Tropical jet stream Polar front jet stream

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18-What name is given to the jet stream lying over North Africa (B) ?

050 1690 Wind

Sub-tropical jet stream Arctic jet stream Equatorial jet stream Polar front jet stream

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19-At what flight level is the jet stream core that is situated over northern Scandinavia ?

050 1683 CAT

FL 300 FL 360 FL 330 FL 280

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20-At approximately what flight level is the subtropical jet stream found?

050 1582 Wind Uncategorized

FL 400 FL 500 FL 200 FL 300

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21-What is the main cause for the formation of a polar front jet stream?

050 1580 Wind

The varied elevations of the tropopause in the polar front region Strong winds in the upper atmosphere The north-south horizontal temperature gradient at the polar front The pressure difference, close to the ground, between a high over the Azores and a low over Iceland

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22-Which jet stream blows all year round, over the northern hemisphere?

050 1564 Wind

The arctic jet stream. The equatorial jet stream. The polar night jet stream. The subtropical jet stream.

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23-Where, as a general rule, is the core of the polar front jet stream to be found?

050 2008 Uncategorized Wind

In the polar air mass. Just below the cold-air tropopause. Just above the warm-air tropopause. In the tropical air mass.

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24-In which zone of a polar front jet stream is the strongest CAT to be expected ?

050 1983 Wind Uncategorized

On the tropical air side of the core. About 12000 FT above the core. On the polar air side of the core. Exactly in the centre of the core.

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25-What name is given to the jet stream lying across India (A) ?

050 1560 Wind

Polar front jet stream. Tropical jet stream. Sub-tropical jet stream. Arctic jet stream.

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26-Which of the following statements concerning the core of a polar front jet stream is correct ?

050 4173 Wind

It lies in the cold air; the wind reverses direction at the height of the core It lies at a height where there is no horizontal temperature gradient; the slope of the pressure surfaces at the height of the core is at its maximum 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

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27-What is the most significant difference between an equatorial jet stream and all the other jet streams ?

050 1989 Uncategorized Wind

Horizontal dimension. Wind speed. Vertical dimension. Wind direction.

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28-Which of the following statements is correct concerning the typical weather in a warm sector in mid- and high latitudes over continental areas during summer?

050 14880 Air Masses and Fronts

Overcast by medium and high clouds, stratus with drizzle, poor visibility Moderate to poor visibility, fog or stratus, stratocumulus and drizzle Generally moderate to good visibility, haze, sometimes few or scattered cumulus Generally good visibility outside the frequent showers of CBs

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29-Which area of a polar front jet stream in the northern hemisphere has the highest probability of turbulence?

050 10959 Wind

Looking downstream, the area to the right of the core. In the core of the jet stream. Above the core in the boundary between warm and cold air. Looking downstream, the area to the left of the core.

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30-Where is the projection of the polar front jet stream on the surface most likely to be found in relation to the cold and warm fronts of a depression?

050 12801

50 to 200 NM behind the cold front and 300 to 450 NM ahead of the warm front 300 to 450 NM behind the cold front and 50 to 200 NM ahead of the warm front Up to 100 NM either side of the cold front and up to 200 NM either side of the warm front Up to 200 NM either side of the cold front and up to 200 NM either side of the warm front

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31-In relation to the polar front jet stream, the greatest rate of wind shear is most likely to occur

050 10896 Wind

5000 FT or more above the core on the tropical side of the core well below the core close to the core on the polar side

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32-From summer to winter the average geographic position of the polar front jet stream over the North Atlantic moves

050 10886 Wind

towards the north and the speed increases towards the north and the speed decreases towards the south and the speed decreases towards the south and the speed increases

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33-At which height and at what time of the year can an aircraft be affected by the equatorial jet stream?

050 13660

FL 500 from June to August. FL 400 during the winter in the southern hemisphere. FL 500 from November to February. FL 400 during the winter in the northern hemisphere.

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34-On which of the following aviation weather charts can a pilot most easily find a jet stream?

050 15076 Meteorological Information

Wind / temperature chart. Significant weather chart. Upper air chart. Surface chart.

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35-Flight Munich to London. What is the direction and maximum speed of the jet stream affecting the route between Munich and London ?

050 1697 CAT

220° / 120 kt 230° / 120 m/sec 050° / 120 km/h 050° / 120 kt

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36-A wind speed of 350 kt within a jet stream core should be world-wide regarded as:

050 1567 Wind

not unusual in polar regions. possible but a very rare phenomenon. a common occurrence. not possible.

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37-Which area of a polar front jet stream in the northern hemisphere has the highest probability of turbulence?

050 2047 Wind

In the core of the jet stream. Above the core in the boundary between warm and cold air. Looking downstream, the area to the right of the core. Looking downstream, the area to the left of the core.

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38-On a particular day part of a polar front jet stream runs from north to south in the northern hemisphere. This means that

050 4174 Wind

above the core of the jet the horizontal temperature gradient runs from north to south the polar air is on the eastern side and above the core of the jet the polar air is below and to the east of the core of the jet below the core of the jet the horizontal temperature gradient runs from north to south

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39-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 ?

050 1566 Wind

It decreases and then increases. It stays the same. It increases. It decreases.

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40-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?

050 2045 Wind

A headwind. Crosswind from the right A tailwind. Crosswind from the left

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41-You are flying at 2 500 FT/AGL, the wind is 180°, and intend to land at an airport, at sea level directly below. From approximately which direction would you expect the surface wind (mid-latitude, northern hemisphere)?

050 1252 Wind Uncategorized

South-southwest. South. South-southeast. Southwest.

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42-An aircraft over Western Europe is crossing a jet stream 2500 FT below its core at right angles. While crossing, the outside temperature is increasing. The prevailing wind is

050 1571 Wind

from the left. from the right headwind. tailwind.

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43-You cross a jet stream in horizontal flight at approximately right angles. While crossing, in spite of a strong wind of 120 kt, you notice the temperature barely changes. Which of the following statements is correct ?

050 2010 Wind Uncategorized

Since the result of such readings seems impossible, you will have the instruments tested after landing. This phenomenon does not surprise you at all, since normally no large temperature differences are possible at these heights. You assume the front associated with the jet stream to be very weak with practically no temperature difference between the two air masses. This phenomenon is absolutely normal as you are crossing the jet core.

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44-An aircraft is approaching a cold front from the warm air mass side at FL 270 and experiencing moderate to severe turbulence. A jet stream is forecast to be at FL 310. The shortest way to get out of this turbulence is by:

050 2171 Flight Hazards

Climbing Descending Maintain FL 270 Turn right

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45-An aircraft is flying through the polar front jet stream from south to north, beneath the core. How would the OAT change, in the northern hemisphere, during this portion of the flight?

050 1561 Wind

It remains constant. It first increases, then decreases. It decreases. It increases.

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46-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).
900hPa 220/20kt
800hPa 220/25kt
700hPa 230/35kt
500hPa 260/60kt
400hPa 280/85kt
300hPa 300/100kt
250hPa 310/120kt
200hPa 310/80kt
Which system is the jet stream associated with?

050 10850 Wind

With an easterly wave. With a ITCZ. With a cold front. With a warm front.

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47-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).
900hPa 220/20kt
800hPa 220/25kt
700hPa 230/35kt
500hPa 260/60kt
400hPa 280/85kt
300hPa 300/100kt
250hPa 310/120kt
200hPa 310/80kt
Which system is the jet stream associated with?

050 1985 Wind Uncategorized

With an easterly wave. With a cold front. With a warm front. With a ITCZ.

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48-The total depth of the atmosphere is approximately

050 1

500 KM 20 KM more than 1000 KM. 120 kilometers (400 000 feet).

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49-The diameter of a typical tornado is

050 4121 Flight Hazards

only a few metres about 2 to 6 km in the order of 10 km 100 to 150 metres

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50-Which is true of a typical thermal depression?

050 5036 Pressure Systems

It forms over the ocean in winter It forms over land in summer It forms over land in winter It forms over the ocean in summer

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51-The height and the temperature of the tropopause are respectively in the order of

050 3723 The Atmosphere

16 km and -40°C over the poles 8 km and - 75°C over the poles 8 km and -40°C over the equator 16 km and -75°C over the equator

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52-A cumulonimbus cloud at mid-latitudes in summer contains

050 13610 Clouds and Fog

ice crystals and water droplets but never supercooled water droplets only ice crystals ice crystals, water droplets and supercooled water droplets only water droplets

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53-In the mid-latitudes the stratosphere extends on an average from

050 5542 The Atmosphere

50 to 85 km 11 to 50 km 85 to more than 200 km 0 to 11 km

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54-In mid-latitudes, the tops of Cumulus are often limited by

050 10895 Clouds and Fog

a radiation inversion the tropopause a layer of unstable air a temperature inversion

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55-In the mid-latitudes of the northern hemisphere the wind blows:

050 13648 Wind Uncategorized

clockwise around anticyclones and anti-clockwise around cyclones. direct from high to low pressure areas. clockwise around anticyclones and cyclones. clockwise around cyclones and anti-clockwise around anticyclones.

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56-Convective activity over land in mid-latitudes is greatest in

050 1198 Uncategorized Wind

summer in the afternoon. winter in the afternoon. winter during the night and early morning. summer during the night and early morning.

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57-A cumulonimbus cloud at mid-latitudes in summer contains

050 4042 Clouds and Fog

only water droplets only ice crystals ice crystals and water droplets but never supercooled water droplets ice crystals, water droplets and supercooled water droplets

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58-In the mid-latitudes the stratosphere extends on an average from

050 1

0 to 11 km 85 to more than 200 km 11 to 50 km 50 to 85 km

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59-Convective activity over land in mid-latitudes is greatest in:

050 1

Summer in the afternoon. Summer during the night and early morning. Winter in the afternoon. Winter during the night and early morning.

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60-Which of the following situations will be typical for the intertropical convergence zone?

050 15976 Climatology

High pressure the whole year, accompanied by strong prevailing winds. High pressure the whole year, accompanied by calm winds. Low pressure and instability. Hot, mainly dry climate.

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61-What are the typical weather conditions in a westerly situation?

050 16705 Climatology

Very changeable Frequent thunderstorms during winter Steady rainfall Fine weather with strong westerly winds

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62-Which of the following is typical for the snow (tundra) climate?

050 15004 Climatology

High pressure weather dominates in summer. Travelling depressions during winter time. Temperatures generally between +5 and +18°C throughout the whole year. High pressure weather dominates in winter, with the sub-soil being frozen.

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63-How long does a typical microburst last?

050 2009 Flight Hazards

About 30 minutes. 1 to 5 minutes. 1 to 2 hours. Less than 1 minute.

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64-In a METAR message, BR and HZ mean respectively:

050 10891 Meteorological Information

BR = mist HZ = haze BR = mist HZ = smoke BR = mist HZ = widespread dust BR = fog HZ = haze

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65-The temperature remains constant through a given depth of atmosphere, it is described as

050 1

advection the Environmental Lapse Rate being isothermal, temperature inversion

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66-At the surface the lifetime of a typical microburst and the diameter of the area affected by damaging winds are in the order of

050 13641 Flight Hazards

5-10 minutes and 12 km 5-15 minutes and 8 km 30-40 minutes and 4 km 1-5 minutes and 4 km

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67-The typical weather conditions affecting the Darwin area during July are

050 13588 Climatology

mainly clear skies - advection fog drifting inland with the typical NE wind NW monsoon - very wet - proximity of the intertropical convergence zone causes widespread thunderstorm activity dry season - mainly SE winds - visibility reduced by dust and haze NE monsoon - continuous heavy rain but little thunderstorm activity

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68-What are the typical weather conditions in an area with a flat pressure pattern in summer?

050 15915 Climatology

Steady rainfall Fine weather with strong westerly winds Only short term weather improvements Generally fine weather, possibly thunderstorms in the afternoon or evening

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69-What are the typical weather conditions in a cold air pool in summer?

050 15951 Climatology

Ground fog formation is common Fine weather with thunderstorms in the morning or forenoon Generally fine weather, thunderstorms in the afternoon or evening Precipitation is predominant

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70-What are the typical weather conditions in a warm anticyclone over land?

050 16540 Climatology

Strong westerly winds In the winter ground fog formation is not common Fine weather dominates in summer Only short term weather improvements

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71-The following sequence of clouds is observed at an airport: cirrus, cirrostratus, altostratus, nimbostratus. This is typical for:

050 13808 Clouds and Fog

the passage of a squall line. anticyclonic weather. the passage of a warm front. the passage of a cold front.

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72-Which of the following is typical for the passage of an active cold front in the summer ?

050 449 Air Masses and Fronts

Rapid increase in temperature once the front has passed Mainly layered clouds Rapid drop in pressure once the front has passed Mainly towering clouds

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73-Which types of clouds are typical evidence of stable air conditions?

050 2542 Clouds and Fog

NS, CU ST, AS CB, CC CU, CB

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74-Which typical weather condition is shown by the design for the area of Central Europe ?

050 2709 Climatology

Uniform pressure pattern Easterly waves Westerly waves Cutting wind

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75-Which typical weather condition is shown by the design for northern Italy?

050 2710 Climatology

Warm southerly wind Easterly wind Westerly wind High pressure

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76-Which types of clouds are typical evidence of stable air conditions?

050 1

ST, AS CU, CB CB, CC NS, CU

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77-What are the meanings of the meteorological abbreviations SQ, BR, MIFG and SG respectively?

050 16473 Meteorological Information

Short wind gust / mist / shallow fog / polar snow Sudden increase in wind speed lasting for at least one minute / mist / shallow fog / snowgrains Sudden strong increase in wind speed lasting for at least one minute / haze / patches of fog / snowgrains Short wind gust / fog / shallow fog / snowgrains

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78-At about what geographical latitude as average is assumed for the zone of prevailing westerlies?

050 10868 Climatology

10°N. 80°N. 30°N. 50°N.

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79-When in the northern hemisphere at the same latitude the distance between isobars is equal then

050 14262 Wind

the wind around a low pressure area is stronger than around a high pressure area the coriolis force in a high pressure area is smaller than the gradient force in a high pressure area the gradient wind in a low pressure area is weaker than in a high pressure area the geostrophic wind speed is less than the gradient wind speed in a low pressure area

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80-What average geographical latitude is assumed for the zone of the subtropical high?

050 15456 Pressure Systems

30°N 10°N 0° (equator) 50°N

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81-At about what geographical latitude as average is assumed for the zone of prevailing westerlies?

050 2042 Climatology

30°N. 80°N. 50°N. 10°N.

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82-How does the height of the tropopause normally vary with latitude in the northern hemisphere ?

050 127 The Atmosphere

It increases from south to north. It remains constant throughout the year. It decreases from south to north. It remains constant from north to south.

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83-If a plane flies to west over the 0⁰ latitude line, the Corriolis effect

050 1

forces the plane to move towards north.. doesn’t effect. forces the plane to move slower.. forces the plane to move towards south.

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84-Which of the following statements concerning jet streams is correct?

050 4161 Wind Uncategorized

In the southern hemisphere only easterly jet streams occur In the northern hemisphere only westerly jet streams occur In the northern hemisphere both westerly and easterly jet streams occur In the southern hemisphere no jet streams occur

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85-Which form of precipitation from clouds containing only water is most likely to fall in mid-latitudes?

050 1213 Precipitation

Heavy rain with large drops. Drizzle. Hail. Moderate rain with large drops.

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86-In mid-latitudes, what surface weather is associated with a stationary high pressure region over land in the winter?

050 1287 Pressure Systems

Thunderstorms. The possibility of snow showers. A tendency for fog and low ST. NS with continuous rain.

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87-When isobars, for an area in the mid-latitudes on a weather map, are close together, the wind is most likely to be

050 4057 Wind Uncategorized

strong blowing perpendicular to the isobars light changing direction rapidly

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88-The stable layer at some height in the low troposphere of an older high pressure area in the mid-latitudes is called

050 4100 Pressure Systems

trade wind inversion radiation inversion subsidence inversion friction inversion

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89-What cloud cover is typical for a wide warm sector of a polar front depression over Central Europe in the summer ?

050 1600 Air Masses and Fronts

Fair weather CU ST with drizzle Sky clear BKN CU and CB

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90-Which weather phenomena are typical for the northern side of the Alps with strong winds from the south (Foehn)?

050 234 Climatology

Icing, huge mass of clouds. Decrease in temperature, moderate to severe icing. Good visibility, turbulence. Continuous precipitation, severe turbulence.

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91-Which typical weather situation is shown on the weather chart ? (Spacing of the isobars: 5 hPa)

050 1364 Climatology

Flat pressure pattern. West wind condition. Warm south wind condition (Foehn). Cutting wind.

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92-Over Central Europe what type of cloud cover is typical of the warm sector of a depression during winter?

050 1272 Air Masses and Fronts

ST. CI, CS. CU, CB. Fair weather CU.

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93-The passage of a warm front can be associated with areas of fog. The types of fog just in advance and just after the passage are respectively

050 10925 Air Masses and Fronts

advection fog and steaming fog advection fog and radiation fog arctic smoke and frontal fog frontal fog and advection fog

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94-Considering the North Atlantic region between 30°N and 65°N and the adjacent land areas during mid-summer, the predominant pressure systems are

050 5014 Pressure Systems

Azores low and Icelandic high Scandinavian high and Azores high Azores high and weak low over NE Canada weak low over NE Canada and Scandinavian high

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95-Which of the following types of jet streams can be observed all year round?

050 10972 Wind

Equatorial jet stream / arctic jet stream. Arctic jet stream / subtropical jet stream. Equatorial jet stream / polar front jet stream. Subtropical jet stream / polar front jet stream.

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96-Maximum wind speeds associated with subtropical jet streams are usually located in the

050 10902 Wind

tropical air below the tropopause polar air above the tropopause polar air below the tropopause tropical air above the tropopause

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97-Which of the following types of jet streams can be observed all year round?

050 1990 Wind

Subtropical jet stream / polar front jet stream. Equatorial jet stream / arctic jet stream. Equatorial jet stream / polar front jet stream. Arctic jet stream / subtropical jet stream.

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98-Considering the North Atlantic at latitude 50°N during winter, the mean height of the tropopause is approximately

050 10874 Meteorological Information

23 000 FT 54 000 FT 31 000 FT 43 000 FT

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99-At the same latitude the geostrophic wind is less than the gradient wind around an anticyclone with equal pressure gradient because the

050 1091 Wind

centrifugal force opposes the pressure gradient effect of coriolis is added to friction coriolis effect opposes the centrifugal force centrifugal force is added to the pressure gradient

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100-At the same latitude the geostrophic wind is greater than the gradient wind around a low pressure system with equal pressure gradient because the

050 1090 Wind

centrifugal force opposes the pressure gradient centrifugal force is added to the pressure gradient coriolis force opposes to the centrifugal force coriolis force is added to the pressure gradient

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1-The length, width and depth of a typical mid-latitude jet stream are respectively

2-What is the approximate ratio between height and width for a jet stream cross section?

3-During the winter months in mid-latitudes in the northern hemisphere, the polar front jet stream moves toward the

4-The equatorial easterly jet is a jet stream that occurs:

5-When and where is an easterly jet stream likely to be encountered ?

6-What is necessary for the development of a polar front jet stream?

7-The core of the polar front jet stream is usually located in the

8-Which jet stream is connected with a surface front system?

9-What is the minimum speed for a wind to be classified as a jet stream?

10-What is the average height of the arctic jet stream core?

11-What is the average height of the jet core within a polar front jet stream?

12-Where, as a general rule, is the core of the polar front jet stream to be found?

13-In which zone of a polar front jet stream is the strongest CAT to be expected ?

14-The most likely place to encounter clear air turbulence associated with a jet stream is

15-Where is the wind speed of a polar front jet stream normally at its strongest?

16-Which of the following is correct regarding the wind speed in a jet stream in the northern hemisphere?

17-What name is given to the jet stream lying over Scandinavia (C)?

18-What name is given to the jet stream lying over North Africa (B) ?

19-At what flight level is the jet stream core that is situated over northern Scandinavia ?

20-At approximately what flight level is the subtropical jet stream found?

21-What is the main cause for the formation of a polar front jet stream?

22-Which jet stream blows all year round, over the northern hemisphere?

23-Where, as a general rule, is the core of the polar front jet stream to be found?

24-In which zone of a polar front jet stream is the strongest CAT to be expected ?

25-What name is given to the jet stream lying across India (A) ?

26-Which of the following statements concerning the core of a polar front jet stream is correct ?

27-What is the most significant difference between an equatorial jet stream and all the other jet streams ?

28-Which of the following statements is correct concerning the typical weather in a warm sector in mid- and high latitudes over continental areas during summer?

29-Which area of a polar front jet stream in the northern hemisphere has the highest probability of turbulence?

30-Where is the projection of the polar front jet stream on the surface most likely to be found in relation to the cold and warm fronts of a depression?

31-In relation to the polar front jet stream, the greatest rate of wind shear is most likely to occur

32-From summer to winter the average geographic position of the polar front jet stream over the North Atlantic moves

33-At which height and at what time of the year can an aircraft be affected by the equatorial jet stream?

34-On which of the following aviation weather charts can a pilot most easily find a jet stream?

35-Flight Munich to London. What is the direction and maximum speed of the jet stream affecting the route between Munich and London ?

36-A wind speed of 350 kt within a jet stream core should be world-wide regarded as:

37-Which area of a polar front jet stream in the northern hemisphere has the highest probability of turbulence?

38-On a particular day part of a polar front jet stream runs from north to south in the northern hemisphere. This means that

39-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 ?

40-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?

41-You are flying at 2 500 FT/AGL, the wind is 180°, and intend to land at an airport, at sea level directly below. From approximately which direction would you expect the surface wind (mid-latitude, northern hemisphere)?

42-An aircraft over Western Europe is crossing a jet stream 2500 FT below its core at right angles. While crossing, the outside temperature is increasing. The prevailing wind is

43-You cross a jet stream in horizontal flight at approximately right angles. While crossing, in spite of a strong wind of 120 kt, you notice the temperature barely changes. Which of the following statements is correct ?

44-An aircraft is approaching a cold front from the warm air mass side at FL 270 and experiencing moderate to severe turbulence. A jet stream is forecast to be at FL 310. The shortest way to get out of this turbulence is by:

45-An aircraft is flying through the polar front jet stream from south to north, beneath the core. How would the OAT change, in the northern hemisphere, during this portion of the flight?

46-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).900hPa 220/20kt 800hPa 220/25kt 700hPa 230/35kt 500hPa 260/60kt 400hPa 280/85kt300hPa 300/100kt250hPa 310/120kt 200hPa 310/80ktWhich system is the jet stream associated with?

47-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).900hPa 220/20kt 800hPa 220/25kt 700hPa 230/35kt 500hPa 260/60kt 400hPa 280/85kt300hPa 300/100kt250hPa 310/120kt 200hPa 310/80ktWhich system is the jet stream associated with?

48-The total depth of the atmosphere is approximately

49-The diameter of a typical tornado is

50-Which is true of a typical thermal depression?

51-The height and the temperature of the tropopause are respectively in the order of

52-A cumulonimbus cloud at mid-latitudes in summer contains

53-In the mid-latitudes the stratosphere extends on an average from

54-In mid-latitudes, the tops of Cumulus are often limited by

55-In the mid-latitudes of the northern hemisphere the wind blows:

56-Convective activity over land in mid-latitudes is greatest in

57-A cumulonimbus cloud at mid-latitudes in summer contains

58-In the mid-latitudes the stratosphere extends on an average from

59-Convective activity over land in mid-latitudes is greatest in:

60-Which of the following situations will be typical for the intertropical convergence zone?

61-What are the typical weather conditions in a westerly situation?

62-Which of the following is typical for the snow (tundra) climate?

63-How long does a typical microburst last?

64-In a METAR message, BR and HZ mean respectively:

65-The temperature remains constant through a given depth of atmosphere, it is described as

66-At the surface the lifetime of a typical microburst and the diameter of the area affected by damaging winds are in the order of

67-The typical weather conditions affecting the Darwin area during July are

68-What are the typical weather conditions in an area with a flat pressure pattern in summer?

69-What are the typical weather conditions in a cold air pool in summer?

70-What are the typical weather conditions in a warm anticyclone over land?

71-The following sequence of clouds is observed at an airport: cirrus, cirrostratus, altostratus, nimbostratus. This is typical for:

72-Which of the following is typical for the passage of an active cold front in the summer ?

73-Which types of clouds are typical evidence of stable air conditions?

74-Which typical weather condition is shown by the design for the area of Central Europe ?

75-Which typical weather condition is shown by the design for northern Italy?

76-Which types of clouds are typical evidence of stable air conditions?

77-What are the meanings of the meteorological abbreviations SQ, BR, MIFG and SG respectively?

78-At about what geographical latitude as average is assumed for the zone of prevailing westerlies?

46-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).
900hPa 220/20kt
800hPa 220/25kt
700hPa 230/35kt
500hPa 260/60kt
400hPa 280/85kt
300hPa 300/100kt
250hPa 310/120kt
200hPa 310/80kt
Which system is the jet stream associated with?

47-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).
900hPa 220/20kt
800hPa 220/25kt
700hPa 230/35kt
500hPa 260/60kt
400hPa 280/85kt
300hPa 300/100kt
250hPa 310/120kt
200hPa 310/80kt
Which system is the jet stream associated with?