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Formation > weather : The turbulence caused by a wind blowing over rough terrain is the ?

Question 61-1 : Mechanical turbulence shear turbulence orographic turbulence wake turbulence


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

Question 61-2 : Orographic turbulence shear turbulence mechanical turbulence wake turbulence


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

Question 61-3 : 1 2 3 2 3 4 3 4 1 2


Steam fog occurs when ?

Question 61-4 : 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

exemple 73 very cold air passing over a warm water surface.very cold air passing over a warm water surface.

Wind shear is a dangerous phenomenon that is characterized by ?

Question 61-5 : 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

exemple 77 a wind velocity variation / wind direction variation over a short distance.a wind velocity variation / wind direction variation over a short distance.

Cumulonimbus cb is a cloud that generates vertical currents ?

Question 61-6 : Ascending and descending of low intensity only descendants only ascending

exemple 81 ascending and descending.ascending and descending.

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

Question 61-7 : 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 85 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 61-8 : Night time evaporation day time fusion intensification sublimation

exemple 89 night-time evaporation.night-time evaporation.

The characteristic cloud of an unstable atmosphere is ?

Question 61-9 : Cumulonimbus stratus cirrus cirrostratus

exemple 93 cumulonimbus.cumulonimbus.

What is a characteristic phenomenon for a stable atmosphere ?

Question 61-10 : Stratified clouds weak wind many vertical currents no precipitation

exemple 97 stratified clouds.stratified clouds.

The name of the phenomenon that describes very large variations in wind speed ?

Question 61-11 : Squall instability gust windy

exemple 101 squall.squall.

The cumulus stage of a thunderstorm is normally marked by the ?

Question 61-12 : Onset of updrafts onset of precipitation the presence of roll clouds movement of the thunderstorm cell

exemple 105 onset of updrafts.onset of updrafts.

Which of the following items will not affect air stability ?

Question 61-13 : Dew point solar radiation thermal gradient wind

exemple 109 dew point.dew point.

Which of the following is not a service provided by nav canada ?

Question 61-14 : Sat comm atis notam awws


Thermal ascents are created by ?

Question 61-15 : Surface heating strong wind high humidity low amount of sunshine

exemple 117 surface heating.surface heating.


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