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Elements of Weather Clouds and Cloud Formation What Influences Weather? Severe Weather and Safety Climate 10 Point 10 Point 10 Point 10 Point 10 Point 15 Points 15 Points 15 Points 15 Points 15 Points 20 Points 20 Points 20 Points 20 Points 20 Points 25 Points 25 Points 25 Points 25 Points 25 Points 30 Points 30 Points 30 Points 30 Points 30 Points
The instrument used to measure air pressure.
What is a barometer?
The amount of water vapor in the air.
What is humidity?
The instrument used to measure wind speed.
What is an anemometer?
The temperature at which more condensation than evaporation occurs.
What is the dew point?
The force of air molecules pushing on an area.
What is air or atmospheric pressure?
A collection of small water droplets or ice crystals that condense onto solid particles in the atmosphere.
What is A cloud?
These clouds are thick and puffy on top and generally flat on the bottom.
What are cumulus clouds?
These clouds are thin and flat, and their edges are not clearly defined.
What are stratus clouds?
These clouds look white and feathery, and their ends curl.
What are cirrus clouds?
The prefixes for high and middle clouds AND their meaning.
What are Cirro (high, curl) and Alto (middle)?
A large volume of air in which temperature and moisture content are nearly the same throughout.
What is an air mass?
A boundary that forms between air masses with differing densities.
A boundary that forms between air masses with differing densities.
What is a front?
These fronts form as a cold air mass pushes an existing warm air mass up.
What is a cold front?
Stream like movements of water that happen near the surface of the ocean and affect the temperature of the air above it.
What are surface currents?
Winds that travel above global winds for thousands of kilometers, and west to east across the U.S.
What are jet streams?
The sound caused by the air expanding and contracting suddenly during a lightning strike.
What is thunder?
Ice pellets that form during thunderstorms when rain droplets get pushed high into the atmosphere by updrafts, freeze and then fall.
What is hail?
A tropical low-pressure system with winds blowing at speeds of 119 km/h (74 mph) or more.
What is a hurricane?
A huge mass of ocean water that gets pushed onto coastal areas, causing sea levels to rise several meters.
What is a storm surge?
The energy given off by the sun that can cause sunburn and skin cancer
What is UV radiation?
The weather conditions in an area over a long period of time.
What is climate?
These climates have average temperatures below 18˚ C in the coldest months and above 10˚ C in the warmest months.
What is temperate?
These climates are located near the equator.
What is tropical?
These climates are located at latitudes greater than 66 These climates are located at latitudes greater than 66.5 degrees in both the Northern and Southern hemispheres.
What is polar?
These are created when warm, moist air rises over a mountain and drops its precipitation on one side, leaving the other side dry and arid.
What is a rain shadow?
Final Jeopardy Make your wager
The first part of the lightning strike process that comes down from a cloud until it makes contact with an opposite charge.
What is a stepped leader?