a bubble of air that sits over an area long enough to take on the characteristics of that area
What is an air mass?
100
The transfer of heat energy as electromagnetic waves is called this
What is RADIATION?
100
This can be determined by looking at the 'stick' on a station model and imagining the "feathers" at one end of the stick and the "arrow head" on the other end.
What is WIND DIRECTION?
100
Wind always moves from _____ pressure to ______ pressure
What is HIGH TO LOW?
100
This cloud type is white, puffy and is found higher in the atmosphere?
What is CUMULUS?
200
A TROPICAL air mass forms over a surface of this
temperature
a WARM surface
200
The process of air heated near the earth's surface (in rock or soil) that is transferred to cooler air is called this
What is CONDUCTION?
200
This symbol is a circle (sometimes shaded) with numbers near it and a "stick" coming from it
WHAT IS A STATION MODEL
200
The difference in air pressure due to differences in temperature (increased temperature=increased air pressure)
causes this
What is WIND?
200
When too much water condenses for a cloud to hold it all -
this happens
What is RAIN
300
Forecasts are based on information about these
What are AIR MASSES ?
300
Convection is the transfer of thermal (heat) energy by a moving ____ that circulates the air?
What is a GAS?
300
This is the location on a station model where atmospheric pressure is written
What is THE UPPER RIGHT
300
The instrument used to measure air pressure
What is a BAROMETE?
300
This type of FRONT causes low, layered sheets of clouds
called this
What is WARM & STRATUS
400
LAND
WARM
Continental Tropical air masses are formed over this
The temperature of this air mass is _________ .
400
70% of the sun's radiation is ______ by the Earth
What is ABSORBED
400
The shading on a station model indicates this
What is CLOUD COVERAGE
400
Differences in THIS cause warm air to rise and cool air to sink
What is DENSITY?
400
This is happening when the name of a cloud has the word 'nimbus' in it
What is RAINING?
500
An air mass that forms over WATER and is COOL in temperature is called this.
What is MARITIME POLAR
500
This provides the heat/thermal energy that is transferred during conduction and convection
What is RADIATION?
500
The units that atmospheric pressure is measured in
What is MILLIBARS/ mbars
500
This type of wind moves in a SPECIFIC direction and over a LARGE area