Welcome to Miss Bresett's Web Page
Meteorology
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Vocabulary Lists and Review
Vocab List 2 Mix-n-Match Set.pdf
Vocab List 3 Mix-n-Match Set.pdf
Interactive Vocab List 3 Crossword Puzzle
Animations and Other Links
The National Center for Atmospheric Research - Hurricanes
Hurricanes and Tropical Cyclones
Global Atmospheric Circulation Animation
Interesting Links
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National Hurricane Center |
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NOAA |
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Hurricanes Online Meteorology Guide |
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Sponsored by NASA |
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JETSTREAM
Part of the National Weather Service and good information on meteorology topics |
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WW2010 Another online tutorial. Also will be able to find current surface weather maps. |
absorption - the process by which light, heat, sound, etc is held back by a substance as opposed to passing through (transmitted) or being returned (reflected)
adiabatic cooling - the process of cooling a parcel of air due to a decrease in air pressure which allows the air to expand
aerosols - tiny, fine particles suspended in the air
air mass - a large body of air in the troposphere with similar characteristics of temperature, moisture, and pressure
air pollutant - any airborne gas or particle that occurs at a concentration capable of harming humans or the environment
air pressure - force per unit area caused by the weight of the atmosphere pushing on the surface of the earth
anemometer - an instrument used to measure wind speed
anticyclone - any clockwise movement of air such as a high pressure system
atmosphere - the envelope of gases that surrounds the earth
barometer - an instrument used to measure air pressure of the the atmosphere
calorie - unit used to measure heat energy
condensation - the process of a gas changing to a liquid
condensation nuclei - tiny particles in the atmosphere which provide a surface for water molecules to condense on
conduction - the transfer of heat by direct contact
convection - the transfer of heat by movement within a fluid such as a liquid or a gas
convergence - winds coming together at one central location such as at the center of a low pressure system
coriolis effect - tendency of an object moving freely over Earth's surface to curve away from its path of travel; winds in the northern hemisphere curve to the right and in the southern hemisphere curve to the left
cyclone - any counterclockwise movement of air such as a low pressure system
deposition - the process of a gas changing directly to a solid
dew point temperature - the temperature to which air must be cooled to reach saturation
divergence - winds blowing away from one central area such as the center of a high pressure system
dry-adiabatic lapse rate - the rate at which unsaturated air cools as it rises
duration - a length of time (ex. duration of daylight is the length of day)
evaporation - process of a liquid changing into a gas
front
- a boundary between air masses
greenhouse effect - the process by which short-wave radiation from
insolation is passed through the atmosphere and long-wave terrestrial radiation
is trapped by the atmosphere having a net effect of warming the atmosphere
greenhouse gases - gases such as carbon dioxide, water vapor, methane,
and tropospheric ozone in the atmosphere which absorb (trap) long-wave infrared
radiation heat
- the total kinetic energy of all of the particles of a substance heat
deficit - terrestrial radiation is greater than insolation: the earth has
less energy than it needs and surface temperature decreases heat
surplus - insolation is greater than terrestrial radiation; the earth has
more energy than it needs and surface temperature increases humidity
- the amount of water vapor in the air infiltration
- the process by which water enters the soil and becomes groundwater insolation
- incoming solar radiation; energy the Earth receives from the Sun intensity
- the amount of degree of strength of a quantity, such as intensity of light isobars
- lines on a weather map used to connect points of equal air pressure isotherms
- isolines that connect points of equal temperature mesopause
- the boundary between the mesosphere and the thermosphere mesosphere
- the layer of earth's atmosphere extending from the stratosphere to the
thermosphere and temperature decreases as altitude increases millibars
- units used to measure air pressure moist-adiabatic lapse
rate - the rate at which saturated air cools as it rises
net radiation - the difference between incoming and outgoing radiation;
the difference between insolation and terrestrial radiation
ozone -
a naturally occurring, highly
reactive, irritating gas made of three oxygen atoms. This gas builds up in the
lower atmosphere as smog pollution, while in the upper atmosphere it forms a
protective layer that shields the earth and its inhabitants from excessive
exposure to damaging ultraviolet radiation. pressure
gradient - difference in air pressure between two places radiation - the transfer of heat (electromagnetic energy) by wave movement through
air or a vacuum (such as space) radiative balance - when
insolation is equal to the terrestrial radiation reflection -
the return of light, heat, sound, etc., after striking a surface
relative
humidity - the ratio (comparison) between the actual amount of water vapor
in the air to the maximum amount of water vapor the air can hold at a given
temperature
saturation - when air holds as much water vapor as it
can, occurs when rate of evaporation equals rate of condensation
sling psychrometer - an instrument consisting of a wet
bulb and dry bulb thermometer used to measure the amount of moisture in the air
or relative humidity source region - a geographic area
over which an air mass forms specific heat - the amount of
energy required to raise the temperature of 1 gram of a substance by 1° Celsius
station model - sites on weather maps represented by
circles, with symbols in and around each circle that indicate the many weather
variables
stratopause - the boundary between the stratosphere
and the mesosphere
stratosphere - the layer of the atmosphere where
temperature increases with altitude as a result of the absorption of ultraviolet
radiation by the ozone layer
sublimation - the process of a solid changing directly to
a gas synoptic weather map - a map showing a combination
of atmospheric variables and used for weather forcasting temperature
- a measure of the average kinetic energy of the molecules of a substance
temperature gradient - change in temperature over the distance between
two places temperature
inversion - the air at Earth's surface is colder than the air above it so
convection does not occur; a layer of cold is trapped beneath a layer of warm
air terrestrial radiation - energy given off by Earth's
surface into the atmosphere and space; long-wave infrared radiation
thermometer - an instrument used to measure temperature thermosphere
- outermost layer of the atmosphere where temperature increases with
altitude due to receiving intense solar radiation transpiration
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the process by which plants release water into the atmosphere tropopause -
the boundary between the troposphere and the stratosphere troposphere
- the lowest layer of the atmosphere where weather takes place and
temperature decreases as altitude increases
weather - the condition of the atmosphere over a short
period of time
wind - the horizontal movement of air parallel to Earth's
surface
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