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 (B)</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 (C)</p> Signup and view all the answers

What is the primary feature of thunderstorms?

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

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

<p>Heavy rainfalls occur (B)</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 (C)</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 (B)</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 (B)</p> Signup and view all the answers

What is the typical height of a cumulonimbus cloud?

<p>15-20 km (A)</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 (B)</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 (D)</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 (C)</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 (D)</p> Signup and view all the answers

What is the primary destructive effect of flooding?

<p>Damage to houses, commercial buildings, and bridges (A)</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 (C)</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 (B)</p> Signup and view all the answers

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