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Weather Unit Review


The condition of the Earth's atmosphere at a particular place and time. weather
The average weather over a period of time. Climate
The amount of water vapor in the air. Humidity
An instrument used to measure relative humidity. It has two thermometers, wet bulb and a dry bulb Sling psychrometer
An instrument used to measure wind speed in mph. Anemometer
Used to measure precipitation Rain guage
An instrument used to show the direction the wind is coming from. It can be seen as a rooster on top of a roof Wind vane
An instrument that is used to measure barometric pressure/air pressure. Barometer
Means bad weather. A capital L on a weather map is the symbol. Low pressure system
Usually means good weather. A capital H on a weather map is the symbol. High pressure system
The layer of the atmosphere where weather occurs. Troposphere
The coldest layer Mesosphere
The four major layers of the atmosphere from the Earth's surface to outer space. Troposphere, stratosphere, mesosphere, and thermosphere.
A form of oxygen found in the stratosphere. Ozone
The layer where the most water vapor is found. Troposphere
This decreases the higher you go up in the atmosphere. air pressure
The two most common gases Nitrogen and oxygen
The most abundant gas. Nitrogen
Meteors burn up here. Mesosphere
The layer that has the greatest air pressure. Troposphere
Any form of water droplets that fall from the sky. Precipitation
This happens when water vapor changes to water droplets. Condensation
Water flowing back towards sea level Run-off
This is how plants contribute to the water cycle Transpiration
Fluffy, cotton ball shaped with flat bottoms Cumulus
Clouds that are made of ice crystals Cirrus
Mean medium Alto
The largest cloud Cumulonimbus
Flat layered clouds Stratus
A large body of air Air mass
An air mass that forms over land Continental
A warm air mass meeting a cold air mass causing periods of precipitation and warm temperatures Warm front
A warm air mass and a cold air meeting. They don't move. May produce long periods of precipitation. Stationary front
The symbol for a warm front. A red semi circle
The symbol for a cold front. A blue triangle
A warm air mass between two cold air masses. The symbol has red semi circle and blue triangles on the same side. Occluded front
Rapid whirling,funneled shaped cloud Tornado
A low pressure system that form over warm ocean water. Hurricane
A weather tool used to see clouds. Satellites
A weather tool used to see precipitation. Radar
Heats up faster Land
Cools down faster Land
The trapping of gases in the atmosphere that helps keep Earth warm. Greenhouse effect
The climate zone that we live in. Mild/Temperate
Warm air rising and cool air sinking. This cycle continues. Convection current
A global wind that blow from east to west in the tropical region. Traders used them Trade winds
Winds that blow from west to east in the temperate region Westerlies
Winds that blow northeast to west in the polar region moving cold polar air Polar winds
A fast moving ribbon of air that moves from west to east. Located about six miles above the Earth. Jet Stream
The curving of the winds due to the Earth rotating. Coriolis Effect
The parts of the water cycle. Evaporation, condensation, run off, groundwater, precipitation,and transpiration.
Lines on a weather map that connect places that have the same temperature. Isotherms
Lines on a weather map that connect places that have the same air pressure. Isobars
What nimbo/nimbus means rain
Created by: jhaynes10