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Meteorology

QuestionAnswer
Air Mass a huge body of air that has similar temperature, pressure and humidity throughout.
Air Pressure A force that is the result of the weight of a column of air pushing down on an area.
Altitude Elevation above sea level. Height. How tall.
Atmosphere Mixture of gases that surround the Earth.
Carbon Dioxide A colorless, odorless gas produced by burning carbon and is absorbed by plants in photosynthesis.
Chlorofluorocarbons (CFC's) Another type of greenhouse gas released by humans and polluting the air.
Climate The average, year after year conditions of temperature, precipitation, winds and clouds in an area.
Cold Front When a rapidly moving cold air mass runs into a slowly moving warm air mass; the denser cold air slides under the lighter warm air.
Conduction The transfer of heat from one substance to another by direct contact
Convection The movement of a liquid or gas caused by differences in temperature and pressure, that transfer heat from one part to another.
Coriolis Effect Rotation of the Earth affects the direction of winds and currents.
Evaporation The process by which molecules at the surface of a liquid (water) absorb enough energy to change to a gas (water vapor).
Exosphere The outmost region of a planets atmosphere. Where satellites orbit.
Global Winds Winds that blow steadily worldwide over long distances due to differences in pressure and temperature of the atmosphere.
Greenhouse Effect The process by which heat is trapped in the atmosphere.
Greenhouse gases A gas that contributes to the greenhouse effect by absorbing infrared radiation, such as carbon dioxide and CFC's.
Heat Form of energy caused by the motion of atoms
High pressure A condition of the atmosphere in which pressure is above average. Gas molecules are close together. Typically associated with a cold air mass.
Humidity The amount of water vapor in the air.
Hurricane A large tropical weather system with extremely low barometric pressure, heavy rains and high wind speed.
Land Breeze The flow of air from land to a body of water at night.
Local Winds Winds that blow over short distances. For example, land breeze and sea breeze.
Low Pressure A condition of the atmosphere in which the pressure is below average, gas molecules are far apart. Typically associated with a warm air mass.
Mesosphere The middle layer of the atmosphere or 3rd layer. Meteors burn up here due to friction. Coldest Layer of the atmosphere.
Occluded Front When a warm air mass is caught between two cooler air masses; the cooler air masses push the warm air mass up.
Ozone A layer in the earth's stratosphere which absorbs most of the ultraviolet radiation from the sun, preventing it from reaching earth.
Radiation The transfer of heat energy through empty space by electromagnetic waves.
Sea Breeze The flow of air from an ocean or lake to land.
Stationary Front When cold and warm air masses meet but neither has enough energy to move the other.
Stratosphere The 2nd layer of the atmosphere which contains the ozone layer. Planes fly here and has the jet stream. Planes fly here because of the jet stream and to avoid weather.
Thermosphere the 4th layer of the atmosphere, has the least amount of pressure, is the barrier between our atmosphere and space. Contains the ionosphere which contributes to the Aurora Borealis or Northern Lights.
Thunderstorm Heavy rainstorms with thunder and lightning.
Tornado a rapidly whirling, funnel-shaped cloud that reaches down from a storm cloud to touch Earth's surface.
Troposphere 1st layer of the atmosphere. We live here and all weather occurs here.
Warm Front A moving warm air mass collides with a slowly moving cold air mass, and the warm air moves over the cold air. Causes rain.
Weather Fronts Where two different air masses meet.
Wind The horizontal movement of air from high to low pressure.
High to Low IS THE WAY TO GO!
The silly mother tickled everyone Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere
The scary monster terrified everyone Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere
Why are sea breezes felt during the day and land breezes at night? The land and the air above it heats and cools faster than the water, causing a land breeze at night and a sea breeze during the day.
Why it is warmer at the equator than the North Pole? The equator receives more direct sunlight than the North Pole.
Why is the earth heated unevenly? the sun’s rays hit the surface of the earth at different angles due to the earth tilted on its axis.
A city near the ocean experiences thunderstorms on a frequent basis. Which of these is the BEST explanation for this? The uneven heating of land and water in coastal areas creates fronts that cause thunderstorms.
How do fronts affect the formation of tornadoes? Tornadoes can form when two fronts move into each other.
A cold, dry air mass collides with a warm, humid air mass over the land. The warm air mass is forced upward quickly. As the air rises, it cools and condenses. What type of weather phenomena is forming? Thunderstorm
Hurricanes build over warm ocean water. What else has to be present for a hurricane to form? low pressure that pulls in warm surface air.
What characteristic do thunderstorms, hurricanes, and tornadoes all share? They are all formed when warm and moist air rapidly rises.
What kind of weather would MOST LIKELY lead to hurricane formation? warmer weather and more humidity due to an increase in evaporation
How to hurricanes lose energy? Hurricanes lose energy when they hit land or cool water.
Created by: nataliarooney
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