Water in the Atm.
Cloud Formation
Types of clouds
Precipitation
Relative Humidity
Cloud Base Alt.
100
Saturated air is said to have a relative humidity of ____%
What is 100%
100
The tool used to measure wind speed is the:
What is anemometer
100
The prefix used to describe the height of a middle level cloud is:
What is Alto-
100
A visible mixture of tiny water droplets or ice crystals suspended in the air are known as?
What are clouds.
100
What is the relative humidity if the dry-bulb temp. is 18'C and the wet-bult temp. is 16'C?
What is 82%
200
The point at which water vapor condenses
What is dew point
200
Clouds which form very high in the atmosphere are mainly composed of these.
What are ice crystals
200
Name a cloud with the highest cloud base:
What is cirrus, cirrocumulus, or cirrostratus
200
The general ration is ___ snow units to ___ water units.
What is 10:1
200
What is the relative humidity if the dry-bulb temp. is 10'C and the wet-bulb temp. is 20'C?
What is 15%
300
A sling psychrometer works on the principle that _______ is a cooling process.
What is evaporation
300
The classification of clouds is based on their: (2 things)
What is form & height
300
What would you name a sheet-like, cloud that hovers above 20,000ft?
What is cirrostratus
300
The precipitation that forms in a cumulonimbus cloud when small ice pellets fall throught it and grow by collecting supercooled water is?
What is hail.
300
What is the relative humidity if the dry-bulb temp. is 10'C and the wet-bulb temp. is 4'C?
What is 34%?
400
As water vapor rises, what happens to the temperature?
What is decreases
400
The process which produces rising air when mountains push the air upward is known as
What is orographic lifiting
400
Severe thunderstorms capable of producing hail and tornaodes, often occur in this type of cloud.
What is cumulonimbus
400
When a layer of air with temperatures above freezing sits above a layer or subfreezing air near the ground, this type of precipitation will likely form.
What is sleet.
400
As the temperature outside increases the relative humidity ........
What is decreases
500
The name of the particle in the air which is neede for a cloud to start forming
What is nuclei
500
The small particles in the atmosphere, around which cloud droplets can form, are called:
What is condensation nuclei
500
Clouds which form when warm air travels over cold water are called?
What is sea fog
500
The tool which uses a funnel to collect and conduct rain is known as a
What is a rain gauge.
500
In the evening when the temperature decreases the relative humidity......
What is increases