Meteorology B ( fall 2015) Flashcards
As you rise upward in the atmosphere air pressure…
decreases
Where does the air pressure acting on the roof of your house come from?
all of the air above your roof
Know the life of a hurricane from beginning to end (7 steps.)
Know the life of a hurricane from beginning to end, ( 7 steps.)
Which direction does the corriolus effect deflect wind in the northern hemisphere
to the right
What is the difference between a hurricane and a typhoon
there is no difference
What is the damage from a category 1 hurricane?
no real damage to structures
What is the damage from a category 2 hurricane
some roofing, roofing, door, and window damage, considerable damage to vegetation, mobile homes destroyed
What is the damage from a category 3 hurricane?
complete roof failure on small residences; major erosion of beach areas; major damage to lower floors of structures near shore
What is the damage from a category 4 hurricane?
Some building damages; mobile homes destroyed
What is the damage from a category 5 hurricane?
completer roof failure on many residences and industrial buildings; some complete building failures
Know what isobars are and how to read them on a map
Know what isobars are and how to read them on a map
What is the criteria for a snowstorm to be classified as a blizzard
temperatures below -7 C. (20 F.)
Visibility below 1/4 mile
Winds greater than 35 mph
What destroys a hurricane
It travels over a continent and it looses its flow of heat from the warm ocean below
know wind direction
know wind direction
___________ is when the Earth’s rotation makes global winds curve
coriolis effect
Which direction does a hurricanes wind blow in the Northern hemisphere
counter clockwise
Which direction does a hurricanes wind blow in the Southern Hemisphere
clockwise
Isobars are lines on a map joining places that have the same ______
air pressure
the average conditions over a period of time are called_____
climate
A dome of water that sweeps across the coast where a hurricane lands is called_________
a storm surge
Which weather cell has clear skies and cool weather for the season
high pressure cell
Know the global winds
know the global winds
Severe thunderstorms are developed along which weather front?
cold
Which direction do the prevailing westerlies generally push the air?
west to east
The day to day changes in the atmospheric conditions are an areas______
weather
What instrument measures temperature?
thermometer
What instrument measures wind speed?
anemometer
What instrument measures humidity?
Slin PSychrometer
What instrument measures conditions aloft from a balloon?
radiosonde
What instrument bounces radio waves off raindrops to “see”?
doppler radar
What instrument measures air pressure?
barometer
What instrument measures the amount of snowfall?
meter stick
What instrument measures the cloud cover across the nation?
weather satellite
What kind of heat transfer is … Heat from the inner Earth traveling up through the solid rock of the crust
conduction
What kind of heat transfer is .. the wind blowing from hot areas to cold areas
convection
What kind of heat transfer is … Heat traveling from the sun to the Earth
radiation
What kind of heat transfer is … an ocean current carrying heat from the tropics to the artic
convection
What kind of heat transfer is … infrared heat leaving the planet back into space
radiation
Thunderstorms are ______ developed clouds
vertical
Wind on earth is a form of_______
convection
The coriollus effect deflects wind in the southern hemisphere to the_____
left
Air pressure is measured in____
millibars
Temperature is measured in____
celsius
Wind speed is measured in_____
kilometers per hour
Relative humidity is measured in______
percentage with no unit
Snowfall is measured in_______
centimeters
When do clouds form?
When water vapor in the air becomes liquid water or ice crystals
Know the names and how to identify clouds
Know the names and how to identify the clouds
Why does air have pressure?
Because air has mass.
True or False, Cloud cover keeps nights warmer?
True