Weather disturbances

Weather disturbances
 Weather Disturbances
 Typhoon/Hurricane
 Tropical Cyclones
 Tornado
 Tsunami
Weather disturbances
 Typhoon/Hurricane
 Tropical Cyclones
 Tornado
Weather disturbances
- A large heat engine,
where great amounts
of heat are being
produced from the
process of latent heat
of condensation.
- Both are names of
tropical storms
and most of their
characteristics are
the same. They
have
- wind speeds that are more than 74 mph, and are
accompanied by hail, strong winds, storm surges and
rain. 
Weather disturbances
Weather disturbances
Weather disturbances
 Hurricanes damage
more land areas than
Typhoons, which
cause damage to
countries’ coastlines.
 Hurricanes move both
clockwise and counter
clockwise.
 Typhoons are said
to be stronger than
Hurricanes because
it develops where
water is warm.
 Typhoons move
clockwise.
 
 Pre-existing disturbance
 Warm ocean water
 Low atmospheric stability
 Sufficient Coriolis force
 Low vertical wind shear
 Upper atmosphere divergence
Weather disturbances
Weather disturbances
 Water temperatures of at least 26.5
°C (79.7 °F) 
 Rapid cooling with height
 High humidity
 Low amounts of wind shear 
 A need to form more than 555 km (345 mi) or
5 degrees of latitude away from the equator
 pre-existing system of disturbed weather
 Around 19 tropical cyclones or storms
 The Philippine Atmospheric, Geophysical
and Astronomical Services
Administration (PAGASA) releases tropical
cyclone warnings in the form of Public Storm
Warning Signals.
Weather disturbances
Weather disturbances
Weather disturbances
- Torrential rain that can cause flooding
- Extremely strong winds that carry
debris that can be lethal
- Damage buildings and property
- Destroy crops
- Capsize boats at sea
- Deaths due to drowning
- Infrastructure destroyed
Weather disturbances
Weather disturbances
Weather disturbances
Weather disturbances
Weather disturbances
Los Baños, Laguna – Aug 14, 2008
Mactan, Cebu - August 8, 2008
Sultan Kudarat – June 12, 2008
Lingayen, Pangasinan – June 5, 2008
Southern Leyte – May 21, 2008
Weather disturbances
 Land encourages the
development of a
tornado, while it destroys
the cyclone’s formation.
 The time frame from the
birth of a tornado until it
dies out, is generally
measured in minutes.
 Cyclones develop and
faster over the oceans.
 The cyclone has a
longer life span. The
time frame from the
birth to the death of a
cyclone, is measured
in hours and days.
 loss of Life
 Property
Damage
 Effects on
Nature
 Tsunami are ocean
waves, that can reach
the height of 100 feet,
and crash onto land.
 Japanese word that
means “harbor wave”.
 80% of all tsunamis take
place in the Ring of Fire
in the Pacific Ocean.
 Tsunamis are formed as a
result of powerful under
water earthquakes, volcanic
eruption, or a landslide
 Some parts of the Ocean
experience frequent
earthquakes because of the
movement of the continental
plates.
 In deep open sea,
tsunamis move at a
speed of 600 mph or
more.
 When tsunami arrives
at the shore, it usually
decreases its speed to
about 45 mph/hour.
Weather disturbances
Weather disturbances
Weather disturbances
Weather disturbances
Weather disturbances
Weather disturbances
Weather disturbances
Weather disturbances
Weather disturbances
Weather disturbances
 August 16, 1976
 Cotabato Trench
 Maximum height
of 4.5 meters
(14-15 feet)
http://www.drgeorgepc.com
 15 November 1994
 Earthquake with magnitude of 7.1
 Baco, Mindoro
http://www.drgeorgepc.com
 Tsunami may affect
people mentally,
emotionally, and
financially.
 People are left homeless
and careless due to the
flooding and other
destructions.
 Lost of lives
 Destroy the crops and flood the city.
 A tsunami can cause
plenty of damage by
crushing buildings,
sweeping people of
their feet, and dirtying
the pipes,
consequently
spreading disease.
Weather disturbances
Weather disturbances
Weather disturbances
References:
 http://www.pagasa.dost.gov.ph/
 http://www.weather.unisys.com/
 http://www.differencebetween.net/scienc
e/nature/difference-between-hurricane-
and-typhoon/
Weather disturbances
1 sur 51

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Weather disturbances

  • 2.  Weather Disturbances  Typhoon/Hurricane  Tropical Cyclones  Tornado  Tsunami
  • 4.  Typhoon/Hurricane  Tropical Cyclones  Tornado
  • 6. - A large heat engine, where great amounts of heat are being produced from the process of latent heat of condensation.
  • 7. - Both are names of tropical storms and most of their characteristics are the same. They have - wind speeds that are more than 74 mph, and are accompanied by hail, strong winds, storm surges and rain. 
  • 11.  Hurricanes damage more land areas than Typhoons, which cause damage to countries’ coastlines.  Hurricanes move both clockwise and counter clockwise.  Typhoons are said to be stronger than Hurricanes because it develops where water is warm.  Typhoons move clockwise.  
  • 12.  Pre-existing disturbance  Warm ocean water  Low atmospheric stability  Sufficient Coriolis force  Low vertical wind shear  Upper atmosphere divergence
  • 15.  Water temperatures of at least 26.5 °C (79.7 °F)   Rapid cooling with height  High humidity  Low amounts of wind shear   A need to form more than 555 km (345 mi) or 5 degrees of latitude away from the equator  pre-existing system of disturbed weather
  • 16.  Around 19 tropical cyclones or storms  The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) releases tropical cyclone warnings in the form of Public Storm Warning Signals.
  • 20. - Torrential rain that can cause flooding - Extremely strong winds that carry debris that can be lethal - Damage buildings and property - Destroy crops - Capsize boats at sea - Deaths due to drowning - Infrastructure destroyed
  • 26. Los Baños, Laguna – Aug 14, 2008 Mactan, Cebu - August 8, 2008 Sultan Kudarat – June 12, 2008 Lingayen, Pangasinan – June 5, 2008 Southern Leyte – May 21, 2008
  • 28.  Land encourages the development of a tornado, while it destroys the cyclone’s formation.  The time frame from the birth of a tornado until it dies out, is generally measured in minutes.  Cyclones develop and faster over the oceans.  The cyclone has a longer life span. The time frame from the birth to the death of a cyclone, is measured in hours and days.
  • 29.  loss of Life  Property Damage  Effects on Nature
  • 30.  Tsunami are ocean waves, that can reach the height of 100 feet, and crash onto land.  Japanese word that means “harbor wave”.  80% of all tsunamis take place in the Ring of Fire in the Pacific Ocean.
  • 31.  Tsunamis are formed as a result of powerful under water earthquakes, volcanic eruption, or a landslide  Some parts of the Ocean experience frequent earthquakes because of the movement of the continental plates.
  • 32.  In deep open sea, tsunamis move at a speed of 600 mph or more.  When tsunami arrives at the shore, it usually decreases its speed to about 45 mph/hour.
  • 43.  August 16, 1976  Cotabato Trench  Maximum height of 4.5 meters (14-15 feet) http://www.drgeorgepc.com
  • 44.  15 November 1994  Earthquake with magnitude of 7.1  Baco, Mindoro http://www.drgeorgepc.com
  • 45.  Tsunami may affect people mentally, emotionally, and financially.  People are left homeless and careless due to the flooding and other destructions.  Lost of lives
  • 46.  Destroy the crops and flood the city.  A tsunami can cause plenty of damage by crushing buildings, sweeping people of their feet, and dirtying the pipes, consequently spreading disease.
  • 50. References:  http://www.pagasa.dost.gov.ph/  http://www.weather.unisys.com/  http://www.differencebetween.net/scienc e/nature/difference-between-hurricane- and-typhoon/