Storm Surge Factors
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Questions and Answers

What is the primary factor driving the formation of storm surges?

  • Wind speed (correct)
  • Tropical cyclone size
  • Lower atmospheric pressure
  • Earth's rotation
  • Which characteristic of a tropical cyclone contributes to higher storm surge levels?

  • Slower forward speed
  • Smaller diameter
  • Larger diameter (correct)
  • Faster forward speed
  • What is the result of a tropical cyclone coinciding with high astronomical tide?

  • Unpredictable storm surge levels
  • Lower storm surge levels
  • No change in storm surge levels
  • Higher storm surge levels (correct)
  • What is the impact of a slower storm forward speed on storm surge?

    <p>More destruction and higher storm surge</p> Signup and view all the answers

    What is the effect of the geometry of the coastal area on storm surge?

    <p>Affects the intensity of storm surge</p> Signup and view all the answers

    What is the primary feature of thunderstorms?

    <p>Cumulonimbus clouds</p> Signup and view all the answers

    What occurs when the water vapor in a cumulonimbus cloud condenses?

    <p>Heavy rainfalls occur</p> Signup and view all the answers

    Why is the Philippines prone to storm surges?

    <p>Due to its geographical location and extensive coastline length</p> Signup and view all the answers

    What is the characteristic of the air in the eye of a tropical cyclone?

    <p>Drier air from higher altitudes</p> Signup and view all the answers

    What is the result of the convergence of winds from the Northern and Southern Hemisphere?

    <p>Rains over Mindanao</p> Signup and view all the answers

    What is the typical height of a cumulonimbus cloud?

    <p>15-20 km</p> Signup and view all the answers

    What is the cause of the abrupt abnormal increase in sea water level during a tropical cyclone landfall?

    <p>Both lowered atmospheric pressure and intense winds</p> Signup and view all the answers

    What is the primary cause of the short-term rise in sea water level, also known as astronomical high tide?

    <p>Gravitational pull of the moon and sun on Earth's water</p> Signup and view all the answers

    What is the main cause of urban flooding in highly populated areas?

    <p>Presence of large areas of impermeable surfaces</p> Signup and view all the answers

    What is the most deadly type of flooding due to its sudden and unexpected nature?

    <p>Flash Floods</p> Signup and view all the answers

    What is the primary destructive effect of flooding?

    <p>Damage to houses, commercial buildings, and bridges</p> Signup and view all the answers

    What is the long-term indirect consequence of flooding on the economy?

    <p>Destruction of production and services-based businesses</p> Signup and view all the answers

    What is the secondary effect of flooding that includes immediate, indirect consequences?

    <p>Power loss and domestic water shortage</p> Signup and view all the answers

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