Water Cycle
what is the process when water vapor enters the atmosphere?
evaporation
what are high, feathery clouds called?
cirrus clouds
what type of air mass is cold and dry?
continental polar
what do wind barbs (lines on arrows) show?
wind speed
what is a sudden flood after heavy rain called?
flash flood
what is it called when water vapor turns into liquid?
condensation
what clouds bring thunderstorms?
cumulonimbus clouds
what type of air mass is warm and humid?
maritime tropical
what tool measure air pressure?
barometer
what is a long period without rain called?
drought
what is water that falls from clouds called?
precipitation
what two things are needed to form clouds?
cooling air and particles
what does "maritime" mean?
forms over water (moist)
what tool measures humidity?
psychrometer
what causes a storm surge?
strong winds + low pressure (hurricanes)
what type of precipitation is frozen rain?
sleet
what type of weather comes with an anticyclone?
clear, calm, dry weather
what does "continental" mean?
forms over land (dry)
what line connects areas of equal pressure?
isobar
why should you NOT stand under a tree in a thunderstorm?
-it is easier for lightening to strike due to its height
-branches can fall on you
what type of precipitation forms balls of ice in storms?
hail
what dangerous storm includes lightening, thunder, and heavy rain?
thunderstorm
where do tornadoes most likely form -- where air masses meet or far away from them?
where air masses meet?
what type of front is shown with triangles?
cold front
where do hurricanes form?
over warm ocean water