HURRICANES

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HURRICANES
Source http//www.dc.peachnet.edu/pgore/students
/w97/matheson/hpage.htm
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When is Hurricane Season?

• June 1st
• through
• November
• 31st

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What is a hurricane?

• Violent cyclonic storm that develops in the
  tropical region
• Wind speeds are gt 74 mph

Source http//earthobservatory.nasa.gov/ Newsroom
/NewImages/images.php3?img_id680
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What is the difference between a hurricane,
cyclone, and a typhoon?

• Scientific term tropical cyclone
• LOCATION, LOCATION, LOCATION!!!!!

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http//spaceplace.nasa.gov/hurricanes/en/cyclone_m
ap_thumb.en.gif
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How does a hurricane form?

• Only form over warm ocean waters
• Warm, moist air rises
• Creates low pressure at the surface
• New air moves inwarm air rises
• Higher air cools offcondensesforms clouds
• System of clouds spin

Video
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Anatomy of a Hurricane
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What is the major source of energy fueling a
hurricane?

• Heat Energy evaporating from the ocean surface

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What conditions must be present for a hurricane
to develop?

• Warm ocean temperatures (gt80 F) up to 60m deep
• Little no wind shear
• Low pressure system at least 5 North or South of
  Equator

Source http//lwf.ncdc.noaa. gov/oa/reports/fran/
fran.html
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Rotation and Pressure

• In which direction does a hurricane rotate?
• COUNTERCLOCKWISE
• Is the barometric pressure inside the hurricane
  high or low?
• LOW

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What is the role of the National Weather
Service during hurricane season?

• Provides weather information, such as data from
  satellites
• Responsible for issuing watches and warnings to
  the media and general public

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Watch vs. Warning

• What is the difference between a Hurricane Watch
  and a Hurricane Warning?
• Watch Tropical storm poses a threat to coastal
  areas with 36 hours
• Warning - Tropical storm conditions are expected
  in a coastal area within 24 hours

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What is the Scale Used to Categorize Hurricanes?
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What causes the damage in a hurricane?

• Winds
• Flooding
• Storm Surge

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What destroys a hurricane?

• Cold water
• Movement over land

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How has a hurricane affected you personally?

• Damage to your house from wind?
• Damage from flooding?
• Destroyed vacation house?
• Damage to family members homes?

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THE END
Source http//www.dc.peachnet.edu/pgore/students
/w97/matheson/hpage.htm