100 200 300 400 500 Heat Fronts and clouds Severe weather Wild Card Atmosphere Heat Fronts and clouds Severe weather Wild Card 100 200 300 400 500
What percentage of the atmosphere is nitrogen? Category 1 - 10
79%
What layer of the atmosphere does weather occur in? Category 1 - 20
Troposphere
What is the mixture of gasses surrounding earth called?
The atmosphere
Where are the polar easterlies located?
60-90 north and south latitude
What is the Coriolis effect?
The apparent curving of an object due to Earth’s rotation
How much of the Sun’s total radiation is absorbed by the Earth’s surface
50%
What is the type of energy transfer from the Sun’s rays?
Radiation
What is the type of energy transfer that occurs with direct contact?
Conduction
What type of heat transfer happens inside the atmosphere?
Convection
What is the difference between heat and temperature?
Heat is the energy transfer from one object to another because of a difference in temperature Temperature is a measure of the average energy of the individual atoms/molecules in a substance
What is the condition of the atmosphere at a given place and time called?
Weather
What is a front?
The colliding of two or more air masses
Describe an altocirrus cloud
Middle altitude and feathery
What is the dewpoint?
The temperature at which water in the atmosphere condenses
What is relative humidity?
How much water is in the air compared to the maximum amount it can hold
What does an anemometer measure?
Wind speed
What scale is used to measure tornadoes?
Enhanced Fujita
What scale is used to measure hurricanes?
Saffir-Simpson
What does an isobar do?
Connects lines of equal air pressure
Where would a cA air mass form?
Antarctica
What is the average weather over a long period of time?
Climate
Which type of severe weather is associated with severe thunderstorms called supercells?
Tornadoes
What is the dew point on this station model?
61
What does a psychrometer measure?
Relative humidity
What is caused by the rapid expansion of air?
Thunder