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Definition
A thin, gaseous envelope comprised mostly of nitrogen and oxygen, with small amounts of other gases;surrounds the earth |
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Definition
Occupies 78% of of total volume of dry air |
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Definition
Occupies 21% of the total volume of dry air |
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Invisible gas;can account for up to 4% of atmospheric gases;greenhouse gas |
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Definition
Occupies 0.038% of volume of air;greenhouse gas;is removed from air during photosynthesis |
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Definition
Primary ingrediant of photochemical smog;97% is in stratosphere;shields plants, animals, and humans from the sun's ultraviolet ray |
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Definition
Ozone holes appear when CFCs enter stratosphere and releases chlorine because of being broken apart by the ultraviolet rays |
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Definition
Group of greenhouse gases, used as refrigerants, cleaning solvent |
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Definition
A collection of liquid or solid suspended particles of various composition |
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Definition
hazardous impure gases; nitrogen dioxide, carbon monoxide, hydrocarbons |
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rain containing sulfuric acid/corrodes metals/turns oceans acidic/major hazard |
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Definition
Outpouring of gases from hot interior |
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Definition
How much matter is in a given space;of air determined by masses of atoms and molecules and space between them |
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Definition
A push divided by the area on which it pushes |
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The amount of force exerted over an area of surface. |
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Definition
The rate at which air temperature decreases with height |
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Definition
Air temperature increasing with height |
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Definition
The region of circulating air extending upward from the earths surface to where the air stops becoming colder with height;from greek word tropein, meaning to turn or change |
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Definition
Region above troposphere where temperature increases with height. Most of the ozone is here. |
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Definition
boundary separating troposphere and stratosphere |
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Definition
Measures the vertical profile of air temperature in the atmosphere up to an elevation sometimes exceeding 30 km |
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Above the Stratosphere. Coldest layer. Temperature decreases with height, small amount of oxygen, low air pressure; 1mb |
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Definition
The hot layer;above the mesosphere. Hot because it aborbs solar rays,few atoms and molecules, |
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Definition
Upper limit of atmosphere; where atoms and molecules shoot off into space |
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Definition
Below thermosphere/infrequent collisions between atoms and molecules/air can't keep itself stirred. |
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Definition
Region from base of the thermosphere to top of the atmosphere. |
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Definition
An electrified region within the upper atmosphere where fairly large concentrations of ions and free elections exist. |
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Definition
Atoms and molecules that have lost or gained one or more elections. |
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Definition
Air temperature, air pressure, humidity, clouds, precipitation, visibility, wind. Condition of atmosphere at a certain time or place. |
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The study of the atmosphere and its phenomina |
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Lines of equal pressure on weather maps. |
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East or west from meridan |
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North or south from equator |
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Definition
Between 30N and 50N are the middle latitudes. |
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Term
middle-latitude cyclonic storm |
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Definition
Forms outside the tropics and in the northern hemisphere has winds spinning counter clockwise about its center |
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Definition
Located over Pacific Ocean, swirling bands of rotating clouds, high surface winds, the center is called the eye. Diameter is about 800 km. |
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Definition
former cumulus clouds turned into tall churning clouds accompanied by lighting, thunder, strong winds, and heavy rain. |
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Definition
Intense rotating column of air that extends downward from the base of a thunderstorm |
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Horizontal movement of air |
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Definition
The direction from which the wind is blowing. |
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A sharp change in temperature, humidity, and wind direction |
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Definition
The ability or capacity to do work on some form of matter |
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Definition
A type of energy that has the potential to do work P=mgh |
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Energy of motion ke=1/2mv2 |
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Definition
Energy from atoms and molecules due to their motion |
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Definition
Measure of the average speed of atoms and molecules |
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Definition
energy in the process of being transferred from one object to another because of the temperature difference; transferred by conduction, convection, and radiation |
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Definition
lowest temperature possible/atoms and molecules have minimum amount of energy |
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Definition
lowest temperature possible/atoms and molecules have minimum amount of energy |
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Definition
Ratio of the amount of heat energy absorbed by that substance to its responding temperature rise |
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Definition
The heat capacity of a substance per unit mass |
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Definition
the heat energy required to change a substance from one form to another |
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Definition
Heat we can feel, sense, and measure |
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Term
Latent heat of evaporation |
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Definition
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Term
latent heat of condensation |
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Definition
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Term
latent heat of sublimation |
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Definition
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Term
latent heat of deposition |
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Definition
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Definition
The transfer of heat from molecule to molecule within a substance |
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Definition
The transfer of heat by the mass movement of a fluid |
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Definition
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The transfer of properties by horizontally moving air |
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Energy transferred from the sun to an object |
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Definition
waves that have magnetic and electrical properties |
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Definition
The distance measured along a wave from one crest to another |
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Measures short waves/one millionth of one meter |
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packets of energy that make up waves |
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Definition
All objects with temperatures above absolute zero emit radiation at a rate proportional to the fourth power of their absolute temperature |
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The constant divided by the object's surface temperature in degrees kelvin equals the wavelength in micrometers at which maximum radiation emission occurs |
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The part of the electromagnetic spectrum that we can see. 0.4-0.7 |
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Wavelengths shorter than violent, which is the shortest in visible spectrum |
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Definition
Wavelengths longer than red, which is the longest in the visible spectrum |
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Definition
Absorbs all possible radiation perfectly and emits all possibly radiation perfectly |
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Radiative equilibrium temperature |
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Definition
The rate of absorption is the same as the rate of emission |
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Definition
Objects that selectively absorb and emit radiation |
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Definition
Good absorbers are good emitters at a particular wavelength, and poor absorbers are poor emitters at the same wavelength |
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Definition
The abortion of infrared radiation from the earth by water vapor and CO2 |
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Definition
Wavelength range between 8-ll um where neither water vapor or co2 readily absorb infrared radiation |
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Definition
Rate at which radiant energy from the sun is received on a surface at the outer edge of the atmosphere perpendicular to the sun's rays when the earth is at an average distance from the sun |
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Definition
Light that hits small objects and deflects in all directions |
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Definition
Objects that are hit by light and reflects some of it back to the source |
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Definition
Percent of radiation returning from a given surface compared to the amount of radiation initially striking that surface |
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Charged particles from the sun |
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Definition
solar wind disturbing the magnetosphere around the earth and hitting the atoms and molecules inside, causing them to jump excitedly and emit radiation that we can see |
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Definition
A faint glow at night from ionized oxygen and nitrogen excited by solar radiation |
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Definition
June 21, first day of summer in Northern hemisphere |
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Definition
First day of Autumn, September 22 |
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Warm period in the middle of Autumn lasting between a few days up to a week or more. |
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December 21, first day of Winter, shortest day of the year |
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Definition
March 20, first day of Spring |
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Definition
The ground and air radiating infrared energy |
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Term
Radiation Inversion(Nocturnal inversion) |
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Definition
Air above the ground being warmer than the ground and the air touching the ground |
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Warm hillsides surrounding a valley |
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Machines that set up convection currents close to the ground |
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Definition
Power-driven fans that resemble airplane propellers |
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When subfreezing air blows into a region, becomes colder with height and stays there long enough to damage crops |
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Definition
Lines connecting places that have the same temperature on weather maps |
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Diurnal range of temperature |
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Definition
The difference between the daily maximum and minimum temperature |
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Mean(Average) daily temperature |
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Definition
The average for the highest and lowest temperatures for a 24 hour period |
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Annual range of temperature |
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Definition
The difference between the average temperature of the warmest and coldest months |
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Definition
the average of the twelve monthly average temperatures |
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Definition
An application for measuring how many heating degree days there will be. Done by subtracting the mean temperature for the day from 65%F |
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Definition
Estimates the energy needed to cool indoor air to a comfortable level. |
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Definition
Used by farmers for determining the approximate dates when a crop will be ready for harvesting. |
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The temperature we perceive |
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How cold the wind makes us feel |
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Definition
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Definition
The rapid, progressive mental and physical collapse that accompanies the lowering of human body temperature |
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Liquid-in-glass thermometers |
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Definition
For measuring surface air temperatures |
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Definition
Used for measuring the maximum temperature for the day;has constriction in the bore above bulb |
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Definition
Measures lowest temperature of the day;has small barbell-shaped index marker in bore |
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Definition
Measures the resistance of wire;the more it vibrates the higher the temperature |
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Definition
Measure emitted radiation (usually infrared) |
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Definition
Two different pieces of metal (brass and iron) welded together to form a single strip |
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Definition
An instrument that measures and records temperature. gradually being replaced by data loggers |
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Definition
A white enclosed shelter that forces north and has louvered sides |
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Definition
Liquid water turning into vapor |
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Definition
Water vapor turning into clouds |
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Definition
Any form of water that falls from a cloud and reaches the ground |
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Definition
Water molecule escaping from ice and becoming vapor |
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Definition
Water vapor attach itself to ice and becoming part of it |
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Definition
When one molecule evaporates, one must condense, keeping it balanced. |
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Definition
Extracting water vapor from an enclosed space, weighing it, and obtaining its mass and comparing it with the volume of air in space |
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Definition
Comparing mass of water vapor in enclosed space with mass of air |
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Definition
Comparing mass of water vapor with mass of remaining dry air |
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Definition
Partial pressure of water vapor |
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Term
Saturation vapor pressure |
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Definition
How much water vapor is necessary to make the air saturated at any given temperature |
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Term
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Definition
THe ratio of the amount of water vapor actually in the air to the maximum amount of water vapor required for saturation at that particular temperature (an pressure) |
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Definition
AIr with a relative humidity greater than 100% |
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Definition
50%F. It represents the temperature to which air would have to be cooled (With no change in air pressure or moisture content) for saturation to occur. |
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Definition
When the dew point is determined with respect to a flat surface with ice |
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Definition
The lowest temperature that can be reached by evaporating water into the air |
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Definition
When one's body temperature reaches 106% |
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Definition
A measurement for combining air temperature with relative humidity to determine apparent temperature |
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Definition
What the temperature feels like |
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Definition
Two liquid in glass thermometers tied together, with one have a wick covering the bulb |
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Definition
Instruments that measure humidity |
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Term
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Definition
Uses a human hair to measure humidity |
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Definition
The temperature at which saturation occurs |
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Definition
When surfaces like grass cool to below the dew point, tiny specks of water appear on them |
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Definition
If the air temperature drops to freezing or below after dew is formed, the dew will freeze |
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Definition
When the dew point temperature is at or below freezing, frost forms |
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Definition
particles that serve as surfaces on which water vapor can condense |
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Definition
Particles that are water vapor seeking |
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Definition
Particles that repel water vapor |
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Definition
A layer of dust or salt particles |
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Definition
Wet haze becoming a cloud resting near the ground; water droplet becoming bigger and visible |
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Definition
Fog mixing with gaseous impurities |
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Definition
Produced by the earth's radiational cooling; moist air moves over dry ground, cannot aborb the outgoing infraraed radiation, so the ground cools rapidly as does the air above and surface inversion happens, making the lower moist layer saturate |
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Definition
Warm air moves over surface that is colder than air above so transfer from heat to surface will cool air to its dew point and produce fog |
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Term
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Definition
Warm moist air moving from water over land and cooling to its saturation point from the cold ground, which is usually caused by radiational cooling |
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Definition
Fog that forms when moist air flows up along an elevated plane |
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Definition
Fog formed by the mixing of two unsaturated masses of air |
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Definition
A type of evaporation fog; formed when cold air moves over warm water |
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Definition
Fog forming in a shallow layer of cold air just ahead of an approaching warm front or behind a cold front |
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Definition
A large number of hours with the air temperature below 40%f |
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Definition
High clouds that a thin and wispy and blown by high winds into long streamers called mare's trails |
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Definition
Clouds that are small, rounded, white puffs that may occur individually or in long rows that are rippling in appearance |
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Definition
Thin, sheetlike, high clouds that often cover the entire sky; produce halos |
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Definition
Grey, puffy, masses sometimes rolled out in parallel waves;one part of cloud is usually darker than other;little castles |
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Definition
Gray or blue-gray clouds often covering entire sky/watery sun/no shadows |
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Definition
Dark gray wet looking cloudy layer associated with rain or snow |
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Definition
Low lumpy clouds that appear in rows, in patches, are as rounded masses with blue sky visible between the individual cloud elements |
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Definition
Uniform grayish cloud that often covers the entire sky;lower and darker gray than altocumulus |
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Definition
Puffy, appears in sunshine, looks like floating cotton with distinctive lines and flat base, top of cloud looks like rounded towers;detached |
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Definition
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Definition
smaller than humulus and scattered across sky |
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Definition
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Definition
A thunderstorm cloud, dark base, extend to Tropopause |
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Definition
Looks like lenses and stack upon each other like pancakes |
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Definition
A cloud that forms over and extends downwind of an isolated mountain peak |
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Definition
Cap cloud, a silken scarf capping the top of a sprouting cumulus cloud |
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Definition
Baglike sacks that hang beneath the cloud and resembles a cow's udder |
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Definition
Jet aircrafts producing cirrus-like condensed vapor trails as they move through the sky |
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Definition
Mother of pearl clouds;form in stratosphere; |
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Definition
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Term
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Definition
Orbit the equator at the same rate the earth spins, use real time data system, |
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Polar-orbiting satellites |
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Definition
Pass over north and south polar regions on each evolution and eventually cover the entire earth; photography clouds directly beneath them, lower and more detailed than geostationary |
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