Chapter 24 Atmospheric Moisture
B- MOUNTAIN RANGE
Forceful lifting of an air mass can occur as the air meets a... A] body of water B] mountain range C] cloud bank D] valley
FALSE
Hail is formed by rain that strikes as it strikes the ground.
TRUE
Water usually condenses when air temperature falls below dew point.
ADIABATIC
What are temperature changes that result from pressure changes as air rises or falls called?
FROST
What forms on surfaces when the dew point is below freezing temperature of water?
THUNDERHEADS
What is another name for cumulonimbus clouds?
PSYCHROMETER
What is the name of the instrument that uses wet-bulb and dry-bulb thermometer to measure relative humidity?
OCEAN
What is the principal source of atmospheric moisture?
CONDENSATION LEVEL
What level is marked by the base of a cloud layer?
CIRROSTRATUS CLOUDS
What type of cloud creates a halo effect around the sun?
A-STRATUS
What type of cloud forms when warm moist air overrrides a layer of cool air? A] stratus B]cumulonimbus C] cirrus D] altonimbus
STEAM FOG
What type of fog usually forms over inland rivers and lakes?
B-CUMULUS
Which type of cloud usually forms in fair weather? A] nimbostratus B] cumulus C] cirrocumulus D] nimbus
C-ADVECTION
Which type of fog occurs as warm, moist air moves across a cold surface? A] radiation B] upslope C] advection D] steam
D- SLEET
Which type of precipitation forms as rain falls through a layer of freezing air? A] rain B] snow C] drizzle D] sleet
TRUE
Cloud droplets must increase in size in order to fall as precipitation.
TRUE
Cloud seeding may eventually be used to control the severity of storms.
ACTUAL OVER SATURATED TIMES 100
How do you find relative humidity?
TRUE
Humid air usually has a higher dew point than dry air.
WATER VAPOR
In what form is most atmospheric water found?
A- CUMULONIMBUS
In which type of cloud is hail usually formed? A] cumulonimbus B] cirrostratus C] nimbostratus D] cirrocumulus
FALSE
Raindrops are generally larger than 5 mm in diameter.
TRUE
Silver iodide is used in cloud seeding because it resembles ice crystals.
C- CONDENSATION OF WATER ONTO ICE CRYSTALS
Snow forms in supercooled clouds by the.. A] combination of supercooled droplets B] reaction between dry ice and water C] condensation of water onto ice crystals D] aggregation of ice crystals
FALSE
Sublimation is the process by which a solid changes into a gas
FALSE
The amount of water vapor that a volume of air can hold increases as air temperature rises.
B- COALESCENE
The collision and combination of large and small cloud droplets are described as.. A] supercooling B] coalescene C] precipitation D]convection
TRUE
The heat energy necessary for evaporation of ocean water is absorbed from the sun.
