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40 Cards in this Set
- Front
- Back
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where do high clouds begin to form?
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20,000 feet in troposphere
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where do middle clouds begin to form?
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10,000 feet in troposphere
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where do low clouds begin to form?
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6,500 feet in troposphere
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cirrocumulous
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ice clouds that form ripples in the sky
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cirrus
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clouds that have a wispy appearence
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cirrostratus
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clouds that are more sheet like but transparent allowing the sun to shine through
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altocumulous
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cottonball-like, can look like large masses or rolls
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altostratus
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sheets of white, gray-blue in which sun shines through
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stratocumulus
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masses of wavy rolls, very gray and humid
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nimbostratus
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rain cloud, sheets of rain coming down from cloud
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stratus
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uniform sheet across the sky
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cumulus
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dome shapes, detached floating in the sky
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cumulonimbus
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large towering storm clouds
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number of tornadoes reported each year
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1000
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what does 'toto' do?
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it is a device put in path of a tornado to gather data
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what is a dopplar radar?
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a device used to determine important weather information
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what and where is tornado alley?
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tornado alley is the main location where tornadoes hit each year; it goes from Texas up to Iowa and streching out to Indiana as well
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what is the dryline?
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warm moisture from the gulf mixes in with the cold Canadian air and the cool air from coming from the Rockies creates big storms in tornado alley
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supercell
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cells(storms) mixed together creating a HUMUNGOUS storm
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what is the main point of the Nation Severe Storms Lab?
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to monitor large weather systems, and see where storms are located
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before a tornado hits..
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-dead calm
-freight train |
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when was the radar discovered?
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at the end of world world 2
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what are some advantages of having a dopplar radar?
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-20 minutes leading time for a big storm (like a tornado)
-50% fewer chance of false storm alarm -more accurate |
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why do surface winds slow down at base of tornado?
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because of the friction with the land
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typhoons
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hurricanes in the West Pacific
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tropical cyclones
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hurricanes in the South Pacific
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hurricane season for Pacific
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May
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hurricane season for Atlantic
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June through November
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coriolis effect
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wind pattern for hurricanes
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tropical depression
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below 38 MPH
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tropical storm
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more than 38 MPH, but less than 74 MPH
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hurricane
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75-200 MPH
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how do hurricanes form?
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the evaporation of the warm ocean water and thunderstorms mix and this causes the eye of the tropical storm
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eye
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center of the hurricane storm
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signs before a hurricane
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-tide rising
-cirrus clouds in sky -dark clouds over horizon -air pressure drops -rain begins to fall -increased wind speed |
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saffir-simpson scale
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scale used to measure intensity of hurricane storm
1 is 74-95 MPH 5 is 155 MPH and above |
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naming of hurricanes
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started in 1950
alternating names from male and female names used every 6 years HUGE storms' names become retired because of intensity of the storm |
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winds can reach up to..in funnel cloud of tornado
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250 MPH
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tornado safety procautions
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inside: go in a basement, be away from windows
outside: lie in a low spot |
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country with the most tornadoes per year
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USA, because of the dryline
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