TEST 8 Flashcards
*Name low-level clouds-
Cumulus, cumulonimbus, stratus, statuscumulus,
*Name mid-level clouds-
NIMBOSTRATUS, altocumulus, altostratus
*Name high-level clouds-
CIRROSTRATUS, Cirrus, cirrocumulus
Which type of air mass brings cool, wet weather?________________________
Maritime polar
Which type of front forms when a warm air mass moves into a region occupied by a cold air mass?__________________________
Warm front
Which type of front forms a Y shape?__________________________
occluded front
What type of drought occurs when precipitation cannot supply enough moisture to the ground to support an area’s crops? _________________________________
agricultural drought
What type of drought is based on a water shortage’s effect on people?____________________________________
socioeconomic drought
Cooling air becomes saturated at a temperature called the________________________
dew point
Which type of cloud forms a flat, gray layer of heavy clouds not far above the ground____________________
stratus
Precipitation made of ice crystals that fall to the ground is called________________
snow
*When the temperature of air rises, relative humidity will___________________
decrease
The process of liquid becoming a gas________________________
evaporation
Which type of air mass brings warm, moist weather?_________________________________
maritime tropical
The movement of water from the earth’s surface, into the air, and back to the surface is the ________________ cycle
water
An ______________ air mass brings very cold and dry weather.
Arctic
*The year-round atmosphere conditions typical of a certain place are its___________________
climate
An almond-shaped cloud is a ______________________________
lenticular cloud
A low that forms along a front is called a ___________________________________
frontal cyclone
List 3 factors that affect the density of an air mass________,__________,__________
temperature, humidity, pressure
What is the study of weather and of the atmosphere conditions that produce weather?________________________
meteorology
What phenomenon occurs when an area receives an abnormally low amount of precipitation over a loooong period of time?_________________________
drought
What type of phenomenon occurs when an air mass remains stationary over a region for a loooong time?________________________________
air-mass weather
What is a mixture of smoke and fog called?_____________________
smog
What is rain that freezes before it hits the ground?__________________
sleet
What is the amount of water vapor in the air called?_________________
humidity
Which type of front forms when 2 air masses push against each other but neither advances?_______________________
stationary front
A substance going from a solid to a liquid is____________________
melting
Water vapor in the air that touches the cooler ground and turns to liquid is_______________
dew
Water vapor in the air that touches the ground and turns to ice is_______________
frost
Ice crystals in clouds that grow large enough to fall to the ground are_____________________
snowflakes
*White, billowy clouds that resemble piles of cotton puffs are_________________________
cumulus
Drops of liquid water that have a diameter of 0.5 millimeter or greater and fall from the clouds to the Earth are called_____________________
rain
Air that is completely full of water vapor and can hold no more is considered_______________________
saturated
*The most frequent type of cloud is______________________
stratocumulus
Snowflakes with white, feathery branches forming a leaf- or star-shaped pattern are________________________
dendrites
What type of fog is found along the slopes of mountains?______________________
upslope fog
Layered balls of ice?_________________________
hailstones
The ratio comparing the actual humidity to the humidity of saturated air under the same conditions is ____________________________________
relative humidity
*Airborne water vapor cannot turn into liquid without a small particle called a_______________________
condensation nucleus
A thick, brownish haze that results from complex molecules released into the air by vehicles and some factories and plants is________________________________
photochemical smog
A large body of air with relatively uniform properties is a(n)____________________________
air mass
The 3 major factors that determine the earth’s weather are__________,___________,_________
heat energy, uneven distribution of heat energy, water vapor
List 2 processes that form rain________________,_______________
Bergeron process, collision-coalescence process
A cloud forms when a body of rising air reaches the __________ point.
dew
Clouds consist of tiny _______ ______________ or droplets of liquid water.
ice crystals
Most clouds result from _______________________ cooling of moist air.
adiabatic
