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36 terms

Weather - 7th Grade Chapters 3 and 4

STUDY
PLAY
WINDS
caused by differences in air pressure
PRECIPITATION
any form of water that falls from the clouds
PREVAILING WESTERLIES
wind belts that push air west to east
PSYCHROMETER
tool used to measure relative humidity
WARM FRONT
warm air mass overtakes a cold air mass
MARITIME TROPICAL
air mass that would bring warm mosit weather
METEOROLOGIST
scientists who study weather
ANTICYCLONE
has generally dry and clear weather
ISOBARS
lines on the map joining places that have the same air pressure
DROUGHT
long period of little/less rainfall
LOCAL WINDS
caused by unequal heating in a small area
CLOUD FORMATIONS
requires 2 conditions: cooling of air and presence of particles
STORM SURGE
a dome of water that sweeps across the coast where a hurricane lands
STATIONARY FRONT
warm air mass and a cold air mass meet and neither can move the other
COLD FRONT
when a rapidly moving cold air mass overtakes a slow-moving warm air mass
CONVECTION
most of the heating of the troposphere because cold air si more dense than warm air
OZONE
absorbs most of Earth's ultraviolet radiation
STORM
violent disturbance in the atmosphere
DOLDRUMS
weak winds and rising air
HURRICANES
storms that usually form over warm ocean water
INFRARED RADIATION
most of the energy that heats Earth's atmosphere
GLOBAL WINDS
winds that blow from certain directions over long distances
STRATUS CLOUDS
layered clouds that cover much of the sky
CORIOLIS EFFECT
Earth's rotation that causes winds to curve
GREENHOUSE EFFECT
Process by which gases hold heat in the atmosphere
WIND SPEED
small lines at the end of the shaft that represents wind direction on a weather map
RADIATION
heat from the sun
ISOTHERMS
places that have the same temperature on a weather map
LAKE-EFFECT SNOW
cold, dry air blows over large lakes and then over land
CIRRUS
high, feathery clouds
CUMULONIMBUS
large clouds that often produe thunderstorms
TORNADO ALLEY
Texas and Kansas
EVACUATE
leave an area temporarily
THERMAL ENERGY
total energy of motion
CONTINENTAL POLAR
Cold, dry air in Northern US in winter
TORNADO
funnel shaped cloud that touches Earth's surface