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 concentration of water vapor in the atmosphere ranges from ______%
What is 0-4%
200
Once air becomes saturated it will cool at a rate of __ degrees per 1,000 meters.
What is 6'C (4'C-9'C varies)
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 6,000 meters?
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
The type of precipitation that falls is determined by this profile in the lower few kilometers of the atmosphere.
What is temperature profile.
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
At what point do the dew point and air temp. become the same if the air temp. is 0'C and the dew point temp. at the surface is -20'C?
What is about 2.7 km (between 2.5-2.9 km)
500
Temperature changes that occur even through heat is not added or subtracted are known as this type of temperature change.
What is adiabatic. 10'C per 1,000 meters unsaturated
6'C per 1,000 meters saturated
500
The small particles in the atmosphere, around which cloud droplets can form, are called:
What is condensation nuclei
500
The growth of ice crystals in clouds from supercooled water is explained by
What is the Bergeron Process
500
The tool which uses a funnel to collect and conduct rain is known as a
What is a rain gauge.
500
What would the altitude of the bottom of a cloud mass be if the surface temp. was 30'C and the surface dew point temp. is -10'C?