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24 Cards in this Set
- Front
- Back
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tornado watch
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tornadoes are possible in your area and you should stay tuned on the radio
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tornado warning
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tornadoes have been spotted in your area
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tornado
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a rotating column of air extending from a thunderstorm
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how do tornadoes form??
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moist air from the south and cooler air from the north meet and create instability, change in wind direction, creating a horizontal mass of spinning wind. rising air causes the horizontal funnel to turn vertical
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what does it have to do to become a tornado??
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the funnel has to touch the ground.
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what does it have to do to become a tornado??
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the funnel has to touch the ground.
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where do tornadoes occur the most?
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tornado alley- Oklahoma and Kansas
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f0
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40-72 mph light damage
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f1
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73-112 mph moderate damage
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f2
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113-157 mph considerable damage
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f3
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158-206 mph severe damage
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f4
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207-260 mph devestating damage
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f5
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261-318 mph incredible damage
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what should you do in case of a tornado?
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go to a basement, interior room like a closet, a hallway, and if you can underground
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what do you need for a tornado to form
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warn air mass, cold air mass, wind
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hurricane
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a huge storm made of strong winds that spiral inward
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what do hurricanes need to form??
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warm ocean water ( it thrives on heat), clouds formed by humid air, wind flowing over the clouds allowing the air to rise
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when do hurricanes occur??
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june - november
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what are other names for hurricanes?
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typhoons and cyclones
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what do you do during a hurricane?
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always stay indoors a high shelter away from flooding and always keep and emergency kit with you
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blizzards
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severe winter storm created by gusting snow ad winds
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what makes a blizzard??
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cold air and below freezing temperatures
moisture to form clouds and precipitation lift, such as a warm air mass colliding into a cooler air mass |
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why are blizzards dangerous?
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they can cause frostbite or hypothermia
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what do you do in case of a blizzard?
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stay inside and keep yourself warm
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