What is created when there are differences in air pressure?
wind
100
What type of weather can we expect if we see large cumulonimbus clouds forming?
Thunderstorms or possible tornadoes
100
What is a storm?
A violent disturbance in the atmosphere
100
What kind of air is found in a continental polar air mass? (describe temperature and humidity)
cold and dry
100
What has greatly improved the accuracy of weather forecasting?
Technology that allows for improved data gathering
200
What are two types of local winds that occur at the coast?
land and sea breezes
200
Which cloud type would be described as “wispy” or “feathery”?
cirrus clouds
200
Where is the best place to seek protection during a tornado?
The lowest part of a well-built building, towards the center, completely enclosed
200
Describe a cold front.
A rapidly moving cold air mass overtakes a slow-moving warm air mass
200
What are meteorologists?
Scientists who study the weather and try to predict it
300
Describe the Coriolis Effect.
It is the way that Earth’s rotation makes global wind curve
300
What two conditions are required for clouds to form?
The cooling of air and particles present
300
Sometimes during a hurricane, people are asked to move away from their homes temporarily. What is this called?
Evacuation, they are asked to evacuate
300
Describe a stationary front.
When a cold and warm air mass meet, but neither can move creating a “standoff”
300
What are isotherms?
Lines on a map that connect areas with the same temperature
400
What is convection?
The transfer of heat by fluid movement (meaning through a liquid or gas)
400
True or False: In order to clouds to form, they must have a solid surface that they can condense on.
true
400
Where do hurricanes typically form?
warm ocean water
400
Which major wind belt pushes most air masses from west to east across the U.S?
Prevailing Westerlies
400
Which symbol is a line with ONLY triangles on one side?
cold front
500
Describe the doldrums.
An area characterized by weak winds
500
What instrument is used to measure humidity?
a psychrometer
500
True or False: The most dangerous part of a snowstorm is the strong winds due to the wind-chill effect causing increased chance of frost-bite or hypothermia.
True
500
Which type of air mass is most likely to bring snow to an area?
Maritime Polar
500
Which symbol is a line with ONLY half circles on one side?