A percentage relating the amount of water vapor present to the amount of water vapor the air can
hold at a given temperature - Answers Relative Humidity
The temperature at which air becomes saturated and condensation begins - Answers Dew Point
What is the prefix for rain producing clouds? - Answers Nimbo-
Does air rise or sink when it is Low Pressure? - Answers Rise
Does air rise or sink when it is High Pressure? - Answers Sink
Formed by the slow HORIZONTAL passage of relatively warm, moist, stable air over a colder surface -
Answers Advection Fog
What is the prefix associated with high level clouds? - Answers Cirro-
What is the prefix associated with middle level clouds? - Answers Alto-
Name the two precipitation formation processes - Answers Collision Coalescence
Bergeron Process
What temperature air is associated with Collision Coalescence? - Answers Warmer air (cool)
What temperature air is associated with the Bergeron Process? - Answers Cold air
Extremely heavy liquid precipitation with a fall rate of >=5 in/hr - Answers Cloudburst
Snow that is formed by the Bergeron Process in the clouds melts on its way down, and then refreezes
before it hits the ground? - Answers Sleet
What are the two most common cloud seeding materials? - Answers Dry ice
Silver Iodide
Name the three lapse rates associated with adiabatic temperature change and if they are constant or
variable. - Answers Environmental Lapse Rate - Variable
Dry Adiabatic Lapse Rate - Constant
Wet Adiabatic Lapse Rate - Variable
The altitude where a parcel of air will cool to its dew point temperature? - Answers Condensation
Lifting Level
What are the three units associated with atmospheric pressure? - Answers Millibars
Hectopascals
Inches of mercury
Cold air is associated with what type of pressure? - Answers High Pressure
Warm air is associated with what type of pressure? - Answers Low Pressure
Moist air is associated with what type of pressure? - Answers Low Pressure
Which is lighter, moist air or dry air? - Answers Moist Air
Wind speed and direction are controlled by what three forces? - Answers Pressure gradient force
Coriolis force
Friction
What type of pressure system is located near 30 degrees North and South? What is the name of it? -
Answers High pressure system
Subtropical High
What type of land is associated with the Subtropical High? - Answers Deserts
What is the name of the large low pressure system that migrates within the tropical latitudes and is
associated with high precipitation? - Answers Inter Tropical Convergence Zone
__________ are lines that connect equal points of pressure - Answers Isobars
A high pressure system is associated with what type of pressure gradient and what type of winds? -
Answers Gradual pressure gradient
Light winds
A low pressure system is associated with what type of pressure gradient and what type of winds? -
Answers Steep pressure gradient
Strong winds
What causes the coriolis force? - Answers The rotation of Earth
Which direction are winds deflected in the Northern hemisphere? - Answers Right
Which direction are winds deflected in the Southern hemisphere? - Answers Left
The balance between coriolis force and the pressure gradient force causes what type of winds? -
Answers Geostrophic winds
What are the 4 lifting mechanisms? - Answers Convection