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Weather. forecast The state of the atmosphere: considering wind, temperature, cloudiness, moisture,...
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weather
The state of the atmosphere: considering
wind, temperature, cloudiness, moisture, pressure, and other
factors.
A prediction of what the future weather will be like.
atmosphere
temperature
The layer of air that surrounds the earth.
A measurement of the amount of heat
something contains.
weather pattern
climate
When the weather repeats itself several days in a
row.
The average weather over a long period of time.
almanac
water cycle
A book that contains weather data and
forecasts.
The journey water takes as it circulates from the land to the sky and back again.
water vapor
condensation
Water in its gaseous state-instead of liquid or solid.
It is totally invisible.
When a gas becomes a liquid.
evaporation
precipitation
When a liquid becomes a gas.
Any liquid or solid form of water that falls from the
atmosphere. For example:
rain, snow, hail, or sleet.
stratus
cirrus
Flat, featureless clouds low in the atmosphere that
cover the sky like a blanket. They indicate
rain.
High level clouds made mostly of ice crystals.
They indicate fair weather.
cumulonimbus
cumulus
Clouds that bring summer storms, usually with thunder, lighting, and
strong winds.
Mid-level, puffy clouds.They indicate fair weather.
fog
wind
isobars
Clouds that form at ground level.
Air flowing from high pressure to low pressure .
beaufort scale
prevailing winds
A scale that relates the wind speed to its effects, classified from force 0 to
force 12.
The speed and direction of wind over a particular point on the earth's
surface.
Easterlies
The global winds that carry weather over the United States, traveling
from West to East.
Global winds at the poles of the earth. These global winds sometimes affect our weather during the
winter months.
air mass
air pressure
A massive bubble of air that has the same
temperature and pressure throughout.
The force of air pushing down on Earth.
barometer
aneroid barometer
A device used to measure air pressure.
A barometer that uses liquid.
isobar
front
A line drawn on a weather map that connects
locations with the same air pressure.
Where air masses meet, but do not mix and rain or
storms occur.
cold front
warm front
The leading edge of a moving mass of cold air, brings thunderstorms,
and leaves behind cooler air.
The leading edge of a moving mass of warm air, brings rain
showers, leaves behind warmer air.
occluded front
stationary front
Where a cold front catches up to and overtakes a
warm front.
When a cold and a warm air mass meet, but neither
moves.
tornado
hurricane
A narrow, violent funnel cloud that may form
during a thunderstorm with winds greater
than 65 kph.
A large rotating windstorm with a calm central eye and winds greater than 75 mph.
meteorologist
isobars
meteorology
A person who studies the weather.
The study of the earth’s atmosphere and what
happens in it.
station model
rain gauge
A weather symbol that represents the state of the
weather at a particular place.
A device used to measure the amount of
precipitation in a given area.