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Question 60-1 : Thunderstorm is characteristic of ? [ Exam equipment ]

Cumulonimbus

Question 60-2 : A valley breeze anabatic effect generates a wind oriented towards ?

The top of the valley.

Question 60-3 : The sea breeze occurs ?

At forenoon and in the afternoon from sea to land.

Question 60-4 : The land breeze occurring ?

At night because the land is cooling faster than the sea.

exemple 72: At night because the land is cooling faster than the sea
At day, because the land is cooling slower than the sea. at night, because the land is cooling slower than the sea. at day, because the land is cooling faster than the sea.

Question 60-5 : A valley breeze anabatic effect is established when the slopes of surrounding mountains and hills ?

At day warm up faster than the valley.

exemple 76: At day warm up faster than the valley
At night, cool down faster than the valley. at day, warm up slower than the valley. at night, cool down slower than the valley.

Question 60-6 : Condensation of a moist air mass will lead to the creation of ?

A cloud.

exemple 80: A cloud
Turbulences. a jetstream. rolls.

Question 60-7 : Convection is a phenomenon triggered by ?

A vertical movement of air under the effect of a diurna ground heating.

exemple 84: A vertical movement of air under the effect of a diurna ground heating
An horizontal movement of air under the effect of a nocturnal ground heating. a vertical movements of air under the effect of a temperature inversion. an horizontal movement of air under the effect of an isothermal layer.

Question 60-8 : Wind speed ?

Increases with altitude.

exemple 88: Increases with altitude
Decreases with altitude. tends to become weaker and disappears at about 10,000 ft. remains unchanged with increasing altitude.

Question 60-9 : At night as a valley cools down the air becomes denser and flows downward and is referred to as ?

Katabatic winds.

exemple 92: Katabatic winds
Anabatic winds. land breeze. sea breeze.

Question 60-10 : A cumulonimbus cloud creates a risk of ?

Windshear.

exemple 96: Windshear
Foehn effect. fog. snowfall.

Question 60-11 : The presence of a cloud cover ?

Reduces daily temperature variation.

exemple 100: Reduces daily temperature variation
Does not act on the daily temperature variation, since there is no convection. increases daily temperature variation. does not act on the daily temperature variation,

Question 60-12 : When isobars on a weather map are close together the wind is most likely to be ?

Strong.

exemple 104: Strong
Blowing perpendicular to the isobars. changing direction rapidly. light.

Question 60-13 : The following sequence of clouds 'cirrus cirrostratus altostratus and nimbostratus' is typically associated to a ?

Warm front.

exemple 108: Warm front
Occluded front. cold front. stationary front.

Question 60-14 : The dew point temperature is the temperature ?

From which water vapor could condense into dew or fog.

exemple 112: From which water vapor could condense into dew or fog
The lowest reached during the night. above which water vapor could condense into dew or fog. measured at sunrise.

Question 60-15 : Thermal turbulence is caused by ?

Surface heating convection .

exemple 116: Surface heating convection
Movement of air over mountainous terrain. air mass's relative humidity. wind speed.



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