weather vocab Flashcards
humidity
the amount of water vapor in the air
cumulus cloud
puffy white clouds with flat bottoms. air rising is how these clouds form
stratus cloud
clouds that form in layers. caused by uplifting of a large body of air into the atmopshere
cirrus cloud
thin feathery white clouds found at high altitudes. form from strong winds
condensation
a change of state from gas to liquid
evaporation
the sun heating up the water an it turning into a gas and going into the sky
precipitation
any form of water that falls to the earths surface fro the cloud
runoff
the draining away of water from the surface of an area of land, a building or structure, etc
rain
moisture condensed from the atmosphere that falls visibly in separate drops.
sleet
a form of precipitation consisting of ice pellets, often mixed with rain or snow.
snow
atmospheric water vapor frozen into ice crystals and falling in light white flakes or lying on the ground as a white layer.
hail
pellets of frozen rain which fall in showers from cumulonimbus clouds.
cold front
cold air moves under warm weather
warm front
warm air moves over cold air
thunderstorm
a usually brief heavy storm that consists of rain strong winds , lightning and thunder
lighting
an electric discharged that takes place between two Opposite charged surfaces, such as between a cloud and ground, between tow clouds, or between two parts of the same cloud
thunder
the sound caused by the rapid expansion of air along an electrical strike.
tornado
a destructive rotating column of air has very high wind speed, is visible s a funnel-shaped cloud, and touches the ground
hurricane
a sever storm hat develops over tropical oceans and whose strong wins of more than 120km/h spiral in towns the instantly low pressure strong center
thermometer
an instrument that measures and indicate temp
anemometer
an interments used to measure wind speed
maritime polar air mass
cool and moist
tropical maritime air mass
warm and moist in its lowest layers
Polar – Continental Air mass
cold, dry, snowy
Tropical – Continental Air mass
desert weather so hot and dry