Weather Variables
Clouds,Precipitation and Air Masses
Fronts
Severe Weather
Forecasting Weather
100
the amount of water vapor present in the air
What is humidity?
100
A stratus cloud found near the ground
What is fog?
100
boundary between two air masses
What is a front?
100
What does the Fujita scale measure?
What is amount of damage caused by a tornado?
100
describes a set of weather measurements made on Earth's surface (2 word answer)
What is a surface report?
200
a measure of the amount of water vapor present in the air compared to the amount needed for saturation
What is relative humidity?
200
Wispy clouds found high in the atmosphere
What are cirrus clouds?
200
formed when a colder air mass moves towards a warmer air mass
What is a cold front?
200
Issued when severe weather is possible
What is a watch?
200
a specialized type of radar that can detect precipitation as well as the movement of small particles; can also approximate wind speed
What is Doppler radar?
300
refers to the state of the atmosphere at a specific time and place
What is weather?
300
type of precipitation that falls when the upper atmosphere is warm, and the lower atmosphere/ground is cold?
What is sleet?
300
type of front that can give rise to severe storms
What is a cold front?
300
List three factors that are used to classify a blizzard.
What are freezing temperatures, strong winds and blowing snow?
300
stem that means "same"
What is iso?
400
a measure of the average kinetic energy of molecules
What is temperature?
400
Large bodies of air that have uniform temperature,humidity and pressure
What are air masses?
400
type of front that moves the fastest
What is a cold front?
400
List the three ways lightning can occur. (You will need your book).
What are cloud to cloud, cloud to ground and ground to cloud.
400
How can you tell, from a station model, that skies are completely overcast?
What is the center circle will be completely filled in?
500
Use the graph on p. 239 to answer this question. If the temperature is 30 degrees Celsius, what is the minimum amount of water vapor needed for water vapor saturation? You MUST give correct units in your answer!
What is 3 grams/meter cubed?
500
type of air mass that forms over the northern Pacific and Atlantic Oceans (2 word answer)
What is Maritime Polar?
500
Use the conversion formula on p. 247 to convert 86 degrees F. to C. You will need a calculator.
What is 30 degrees C.?
500
Name the three stages of thunderstorm formation.
What are cumulus stage, mature stage and dissipation stage?
500
Use the weather map on p. 259 to identify the temperature, dew point, amount of cloud cover and wind direction for the southernmost station model on this map.
What is 59 degrees, 50 degrees,completely overcast and southwest?
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