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28 Cards in this Set

  • Front
  • Back
thermometer
tool used for measuring air temperature
windsock
tool used for measuring wind direction
cloud
collection of millions of tiny water droplets or ice crystals
water cycle
the continuos movement of water from water sources, into the air onto an over land and back to the water sources
anemometer
tool used for measuring wind speed
condensation
the process in which a gas becomes a liquid
barometer
tool used for measuring air pressure
lightning
a large electrical discharge that occures between two oppisitly charged surfaces
weather forecast
prediction of weather conditions over the next 3-5 days
dew point
the temperature at which the air must be to become completly saturated
wind vane
tool used for measuring wind direction
percipitation
water in solid or liquid form that falls from the clouds and hit the earth
Station model
a symbol representing where a weather station is on a map
humitidy
the amount of water vapor or moisture in the air
isobars
lines that connect points of equal air pressure
front
when two differentair masses meet a boundary forms this boundary is a front
thunder
the sound that results from the rapid expansion of air along the lightning strike
severe weather
weather that can cause property damage or death
stratus clouds
clouds that form in layers
tornado
small rotating column of air that has high wind speeds and low central pressure and that touches the ground
pyschrometer
used to measure relative humidity
relative humidity
the amount of moisture the air contains compared with the maximum amount it can hold at a particular temperature
Weather
the con dition of the atmosphere at a particular time and place
Air mass
large body of air that has similar temperature and moisture throughout
thunderstorm
small intense weather systems that produces strong winds,heavy rains, lightning, and thunder
cumulus clouds
puffy white clouds w/ flat bottoms
hurricane
large rotating tropical weather system with wind speeds of at least 119 km/h
cirrus clouds
thin feathery white clouds found at high altitudes