Atmosphere Basics
What is the coldest point in the atmosphere?
What scale is used to rank hurricane strength?
Saffir Simpson Scale
Which type of air mass brings hot dry weather?
Continental Tropical
What forms when water vapor touches cool ground and turns into liquid?
Dew
What instrument measures atmospheric pressure using a flexible airtight metal box?
Aneroid Barometer
What is the most abundant gas in the homosphere?
Nitrogen
What scale is used to classify tornado's?
Enhanced Fujita Scale
What is a wind that reverses direction from season to season?
Monsoon
What feathery deposit of ice crystals forms when water vapor crystalizes on the ground?
Frost
What instrument measures wind speed
Anemometer
When the relative humidity is 100% the air is said to be ____________
What is a large rotating updraft in a supercell thunderstorm?
mesocyclone
What are the surface winds that blow toward the equator in the tropics?
Trade Winds
What process forms rain through large droplets colliding and merging?
Collision Coalescence Process
What instrument measures wind direction
Weather Vane
What process traps heat in the earth's atmosphere?
The Greenhouse Effect
What thunderstorm stage is marked by the arrival of precipitation?
Mature Stage
What is the change in wind direction caused by earth's rotation?
Coriolis Effect
What type of cloud usually produces heavy rain, strong winds, hail or tornadoes?
Cumulonimbus
What device measures rainfall amounts
Rain Gauge
The outermost temperature layer of the atmosphere is the thermosphere. True or False?
True
Why does a hurricane begin to weaken when it moves onto a continent?
It no longer has access to warm ocean water
what convection cell exists between the equator and 30 degrees latitude
Hadley Cell
What boundary forms when a cold air mass moves into cold air?
Cold Front
What extremely powerful computers generate weather forecasts
Supercomputers