International Standard Atmosphere ISA correct answers Pressure 1013.2Hpa
Temperature 15*C
Temperature decreases x 1.98*C every 1000ft
Water Vapour correct answers An invisible gas made of water
Humidity correct answers Amount of water vapour in the air - 2types: absolute (total amount) and ...
PPL Meteorology || Already Graded A+.
International Standard Atmosphere ISA correct answers Pressure 1013.2Hpa
Temperature 15*C
Temperature decreases x 1.98*C every 1000ft
Water Vapour correct answers An invisible gas made of water
Humidity correct answers Amount of water vapour in the air - 2types: absolute (total amount)
and relative (% of total air can hold)
Absolute Humidity correct answers Total amount of water in the air
Relative Humidity correct answers % of the total amount of water the air can hold
Saturation correct answers State where the air cannot hold any more water vapour
Saturation depends on: correct answers Amount of water vapour in the air, and the temperature
of the air
Condensation correct answers Changing water vapour into a liquid
Dewpoint correct answers Temperature when a sample of air becomes saturated and
condensation begins
Evaporation correct answers When liquid water turns into water vapour
What causes cooling of the air, and clouds to form? correct answers Lack of heating, mixing with
cold air, contact with cool surfaces, and rising and cooling of air
Adiabatic Cooling correct answers As air rises it expands and cools
Orographic lift correct answers Air rising as a result of blowing against a mountain or other
raised surface
Convection lift correct answers When hotter ground causes the air above it to heat and rise
Frontal lift correct answers When a warmer air mass rides up and over a cooler air mass
Convergent lift correct answers When air moves into an area of low pressure from all sides and
is forced up as it has nowhere else to go
Cumulus clouds correct answers Puffy, cotton wool clouds - sometimes produce showers
Stratus clouds correct answers Flat sheet or layered cloud that produce more continuous rain
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