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Wind speed ? [ Admission english ]

Question 20-1 : Increases with altitude decreases with altitude tends to become weaker and disappears at about 10 000 ft remains unchanged with increasing altitude


At night as a valley cools down the air becomes denser and flows downward and ?

Question 20-2 : Katabatic winds anabatic winds land breeze sea breeze

exemple 24 Katabatic winds.Katabatic winds.

A cumulonimbus cloud creates a risk of ?

Question 20-3 : Windshear foehn effect fog snowfall

exemple 28 Windshear.Windshear.

When isobars on a weather map are close together the wind is most likely to be ?

Question 20-4 : Strong blowing perpendicular to the isobars changing direction rapidly light

exemple 32 Strong.Strong.

The following sequence of clouds 'cirrus cirrostratus altostratus and ?

Question 20-5 : Warm front occluded front cold front stationary front

exemple 36 Warm front.Warm front.

Thermal turbulence is caused by ?

Question 20-6 : Surface heating convection movement of air over mountainous terrain air mass's relative humidity wind speed

exemple 40 Surface heating (convection).Surface heating (convection).

Mechanical turbulence is the result of ?

Question 20-7 : Friction between the air and the ground solar radiation thermal gradient intensification

exemple 44 Friction between the air and the ground.Friction between the air and the ground.

The turbulence caused by a wind blowing over rough terrain is the ?

Question 20-8 : Mechanical turbulence shear turbulence orographic turbulence wake turbulence

exemple 48 Mechanical turbulence.Mechanical turbulence.

The turbulence caused by a wind blowing perpendicular to a mountain is the ?

Question 20-9 : Orographic turbulence shear turbulence mechanical turbulence wake turbulence

exemple 52 Orographic turbulence.Orographic turbulence.

Thermal turbulence depends on .1 environment.2 the soil contrasts.3 the ?

Question 20-10 : 1 2 3 2 3 4 3 4 1 2

exemple 56 1 - 2 - 3.1 - 2 - 3.

Steam fog occurs when ?

Question 20-11 : Very cold air passing over a warm water surface very warm air passing over a cold water surface there is pollution the wind is blowing strongly


Wind shear is a dangerous phenomenon that is characterized by ?

Question 20-12 : A wind velocity variation / wind direction variation over a short distance rotors linked to a wave a moderate to strong turbulence prolonged periods of heavy rain


Cumulonimbus cb is a cloud that generates vertical currents ?

Question 20-13 : Ascending and descending of low intensity only descendants only ascending


The cumulonimbus is the most dangerous cloud it can be easily recognized since ?

Question 20-14 : It has a very large vertical extension with a top that can exceed 35000 ft its base lies on the ground the wind is zero under its base the cloud base is at about 2000 ft and its top is at 10000 ft

exemple 72 It has a very large vertical extension, with a top that can exceed 35000 ft.It has a very large vertical extension, with a top that can exceed 35000 ft.

Ground frost may be formed by ?

Question 20-15 : Night time evaporation day time fusion intensification sublimation

exemple 76 Night-time evaporation.Night-time evaporation.


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