Quiz von tsampikos pompou, erstellt am more than 1 year ago

6 ATTENT. METEO. EXAM. PREP.

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6 ATTENT. METEO. EXAM. PREP.

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Frage 1 von 28

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424 . Complete the statement according to (Fig.51-54)
"The faster moving cold front in (a), overtakes the slower-moning warm front in(b). The lighter air behind the cold front rises up and over the densier air ahead of the warm front(diagr.C).This is the formation of……………………………………….?"

Wähle eine der folgenden:

O warm-type occluded front.
O cold front occlusion.
O stationary front occlusion.

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Frage 2 von 28

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425 (Fig.40). Observing the stationary cloud, well over the mountain top, you expect for:

Wähle eine der folgenden:

O calm conditions over that height.
O fast-moving air masses to create severe turbulence upwind that cloud.
O rain to come.
O still conditions.

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Frage 3 von 28

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426 (Fig. 41). Lendicular clouds.Choose from the following best describes.

Wähle eine der folgenden:

O Mountain waves (Ac)
O Valley clouds (Cu)
O High altitude clouds (Cs)
O Stormy weather clouds (Cb)

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Frage 4 von 28

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427 The Sirocco occurs:

Wähle eine der folgenden:

O Ahead of a frontal depression moving east along the coast
O Due to intense heating causing convectional dust storms
O Due to the steep temperature gradient along the N. African coast
O Behind a frontal depression moving east along the coast

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Frage 5 von 28

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428 What is the approximate freezing level over Greece in July?

Wähle eine der folgenden:

O 14000 feet.
O 12000 feet.
O 9000 feet.
O 7000 feet

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Frage 6 von 28

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429 Tropical maritime air originating from the Azores that affects Europe is characterised by:

Wähle eine der folgenden:

O clear warm weather.
O moist unstable conditions leading to well developed CBs thunderstorms.
O good visibility at low level, with poor visibility in the middle layers.
O moist unstable conditions due to increased moisture content as the air tracks north east over the Atlantic Ocean.

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Frage 7 von 28

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431 In Europe, away from exposed coasts, airmass thunderstorms are most likely to occur in:

Wähle eine der folgenden:

O the afternoon in summer.
O warm spells in winter.
O the evening, with Westerly winds in summer.
O the afternoon in winter

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Frage 8 von 28

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433 Polar continental air in winter is likely to bring what type of weather to Europe?

Wähle eine der folgenden:

O Cold weather, clear skies, frost and coastal showers.
O Good weather, or stratus, sea fog and drizzle.
O Convective cloud, showers and thunderstorms
O Snow showers or hail.

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Frage 9 von 28

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434 Tropical maritime air brings to Europe:

Wähle eine der folgenden:

O stratus, drizzle and poor visibility.
O stratus, stratocumulus, rain and poor visibility.
O cumulus, stratocumulus, showers and good visibility
O convective clouds and thunderstorms.

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Frage 10 von 28

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436 The upper winds in Europe are predominately:

Wähle eine der folgenden:

O westerlies both in summer and winter
O westerlies in summer and easterlies in winter
O easterlies in summer and westerlies in winter
O easterlies both in summer and winter

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Frage 11 von 28

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438 Syberian anticyclone is :

Wähle eine der folgenden:

O A long lasting phenomenon over C.Eastern Europe, triggering radically the character of greek winter.
O A typical weather of central Syberia.
O Local wind of Archangellsk, in Northern Rusia.
O Last face of winter.

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Frage 12 von 28

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441 Why does the wind have a tendency to flow parallel to the isobars above the friction level?

Wähle eine der folgenden:

O Friction has a very low influence and Coriolis force tends to counterbalance the horizontal pressure gradient.
O Centrifugal force acts perpendicular to a line connecting the highs and lows.
O Friction of the air with the Earth deflects the air perpendicular to the pressure gradient.
O Coriolis force is zero

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Frage 13 von 28

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442 With regard to windflow patterns shown on surface analysis charts, when the isobars are

Wähle eine der folgenden:

O not close together, the pressure gradient force is zero
O close together, the pressure gradient force is greater and wind velocities are stronger.
O close together, the pressure gradient force is slight and wind velocities are weaker.
O not close together, the pressure gradient force is greater and wind velocities are stronger.

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Frage 14 von 28

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443 What causes wind?

Wähle eine der folgenden:

O Pressure differences.
O Air convergence
O The Earth's rotation.
O Instability

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Frage 15 von 28

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444 Which is true regarding a cold front occlusion? (Fig.33) The air ahead of the warm front……

Wähle eine der folgenden:

O is warmer than the air behind the overtaking cold front.
O is moister than the air behind the overtaking cold front.
O is colder than the air behind the overtaking cold front
O has the same temperature as the air behind the overtaking cold front

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Frage 16 von 28

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445 When flying into a low-pressure area in the Northern Hemisphere, the wind direction and velocity will be from the

Wähle eine der folgenden:

O left and increasing.
O left and decreasing.
O right and decreasing.
O right and increasing

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Frage 17 von 28

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446 . What prevents air from flowing directly from high-pressure areas to low-pressure areas?

Wähle eine der folgenden:

O Coriolis force.
O Surface friction.
O Pressure gradient force.
O Centrifugal force

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Frage 18 von 28

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447 The wind system associated with a low-pressure area in the Northern Hemiispfrere is

Wähle eine der folgenden:

O a cyclone and is caused by descending cold air
O an anticyclone and is caused by descending warm air.
O a cyclone and is caused by Coriolis force
O an anticyclone and is caused by Coriolis

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Frage 19 von 28

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453 Which is true regarding actual air temperature and dew point temperature spread? The temperature spread

Wähle eine der folgenden:

O decreases as the relative humidity increases.
O remains constant when the pressure remains also constant
O increases as the relative humidity increases
O decreases as the relative humidity decreases

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Frage 20 von 28

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455 . Which of the bellow listed combination would likely result in cumuliform-type clouds, good visibility, and showery rain?

Wähle eine der folgenden:

O Unstable, moist air and orographic lifting.
O Stable, moist air and orographic lifting.
O Unstable, moist air and no lifting mechanism.
O Stable, dry air and orographic lifting

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Frage 21 von 28

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456 What could be the result of a cold air mass moving over a warm surface?

Wähle eine der folgenden:

O Cumuliform clouds, turbulence, and good visibility.
O Cumuliform clouds, turbulence, and poor visibility.
O Stratiform clouds, smooth air, and poor visibility.
O Stratiform cloud, smooth air and good visibility

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Frage 22 von 28

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457 The presence of standing lenticular altocumulus clouds is a good indication of

Wähle eine der folgenden:

O very strong turbulence.
O icing conditions.
O shower on the leeward side
O thunderstorm

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Frage 23 von 28

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458 Virga is best described as

Wähle eine der folgenden:

O streamers of precipitation trailing beneath clouds which evaporates before reaching the ground.
O wall cloud torrents trailing beneath cumulonimbus clouds which dissipate before reaching the ground.
O turbulent areas beneath cumulonimbus clouds
O dust and haze beneath cumulonimbus clouds

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Frage 24 von 28

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459 Moisture is added to a parcel of air by

Wähle eine der folgenden:

O evaporation and sublimation
O condensation and sublimation
O evaporation and condensation.
O freezing and condensation

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Frage 25 von 28

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460 Which of the following conditions are you most likely to encounter when approaching an active warm front at medium to low level ?

Wähle eine der folgenden:

O Low cloud base and poor visibility.
O Severe thunderstorms at low altitude.
O Extreme turbulence and severe lightning striking the ground.
O High cloud base, good surface visibility, and isolated thunderstorms.

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Frage 26 von 28

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465 Refer on the Significant Weather Chart in Fig.14. that concerns flights at altitudes over 33000 ft in the area of the Mediterranean Sea, encounters Jet Stream with winds approaching the speed of about :

Wähle eine der folgenden:

O 85 kt.
O 135 kt.
O 220 kt.
O 170 kt.

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Frage 27 von 28

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466 Refer on the Significant Weather Chart in Fig.15. For a VFR DCT flight from Kefalonia to Thessaloniki - and keeping mainly in mind the safety of flights - you choose α flight altitude of

Wähle eine der folgenden:

O None of them.
O 2000 ft
O 8000 ft
O 1800 ft

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Frage 28 von 28

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467 Refer on the Significant Weather Chart in Fig.15. You encounter storms mainly in the area of:

Wähle eine der folgenden:

O Eperus and Northern Greece.
O Pelloponese
O Cyclades Islands.
O Attiki

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