Natural Hazards and Hurricanes Recap Quiz and Review

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Questions and Answers

What is the definition of a Hazard?

A danger or risk.

What is the definition of a Disaster?

A sudden catastrophic event in which people are injured and killed and property is destroyed.

What are natural hazards?

Events in the physical environment that can destroy human life and property.

What is a hurricane?

<p>A storm with a violent wind, in particular a tropical cyclone in the Caribbean.</p> Signup and view all the answers

What is a typhoon?

<p>A violent tropical storm that forms in the Pacific Ocean, usually in late summer.</p> Signup and view all the answers

What is a tropical cyclone?

<p>An intense wind and rain storm that forms over oceans in the tropics.</p> Signup and view all the answers

What is wind speed?

<p>How fast the wind is blowing.</p> Signup and view all the answers

What does humid mean?

<p>Having a large amount of water or moisture in the air.</p> Signup and view all the answers

What is the Coriolis Force?

<p>The force that, owing to the rotation (spin) of the earth, deflects objects to the right (clockwise) in the Northern Hemisphere and to the left (counter-clockwise) in Southern Hemisphere.</p> Signup and view all the answers

What is sea surface temperature?

<p>The measurement of the temperature of the very top layer of the ocean.</p> Signup and view all the answers

What is the eye wall of a hurricane?

<p>Cylinder-shaped area of spiraling upward winds around the eye, strongest winds.</p> Signup and view all the answers

What is the water cycle?

<p>The continuous process by which water moves from Earth's surface to the atmosphere and back.</p> Signup and view all the answers

What is evaporation?

<p>The change of a substance from a liquid to a gas.</p> Signup and view all the answers

What is condensation?

<p>The change of state from a gas to a liquid.</p> Signup and view all the answers

What is precipitation?

<p>Any form of water that falls from clouds and reaches Earth's surface.</p> Signup and view all the answers

What is a low pressure system?

<p>A large body of circulating air with low pressure at its center and higher pressure outside of the system.</p> Signup and view all the answers

What is wind direction?

<p>The direction from which the wind is blowing.</p> Signup and view all the answers

What is air pressure?

<p>The measure of the force with which air molecules push on a surface.</p> Signup and view all the answers

What does the Saffr-Simpson scale measure?

<p>Measures the power and wind speed of hurricanes.</p> Signup and view all the answers

What is the Typhoon Warning System?

<p>Methods to warn people about the coming typhoon, so people can get ready and protect themselves.</p> Signup and view all the answers

What is a storm surge?

<p>A rising of the sea as a result of atmospheric pressure changes and wind associated with a storm.</p> Signup and view all the answers

What is a landslide?

<p>The sudden and rapid movement of a large amount of material down a slope.</p> Signup and view all the answers

What is a super typhoon?

<p>A tropical cyclone (typhoon) in the western Pacific that has sustained winds of 130 knots or greater.</p> Signup and view all the answers

What are physical impacts?

<p>Damage or permanent alteration of the historical/cultural landmarks and resources.</p> Signup and view all the answers

What are environmental impacts?

<p>Damage to the area and surrounding natural resources.</p> Signup and view all the answers

What are economic impacts?

<p>Impacts on the wealth of an area such as the cost of the impact to rebuild and business impacted.</p> Signup and view all the answers

Flashcards

Hazard

A danger or risk.

Disaster

A sudden catastrophic event causing injury, death, and destruction.

Natural hazards

Physical events that can destroy life and property.

Hurricanes

A storm with violent wind, especially in the Caribbean.

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Typhoons

A violent tropical storm that forms in the Pacific, often in late summer.

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Tropical Cyclone

An intense storm formed over oceans in the tropics.

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Wind speed

The speed at which the wind is blowing.

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Humid

Having a large amount of moisture in the air.

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Coriolis Force

The force deflecting objects due to Earth's rotation.

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Sea Surface Temperature

Temperature measurement of the ocean's top layer.

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Eye wall of a hurricane

Spiraling winds around the eye; strongest winds.

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Eye of a hurricane

The calm center of a hurricane.

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Water cycle

Water movement between Earth's surface and atmosphere.

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Evaporation

The change from a liquid to a gas.

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Condensation

Change of state from gas to liquid.

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Precipitation

Any water falling from clouds to Earth's surface.

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Low pressure system

Circulating air with low pressure at the center.

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High pressure system

Circulating air with high pressure at the center.

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Wind direction

The direction from which the wind blows.

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Air pressure

The force air molecules exert on a surface.

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Saffir-Simpson scale

Measures hurricane power and wind speed.

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Typhoon Warning System

Methods to warn people about upcoming typhoons.

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Storm surge

Rising sea levels due to storm wind and pressure changes.

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Landslides

Rapid movement of materials down a slope.

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Mudslides

Mass of mud and earth sliding down a slope.

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Super Typhoon

Typhoon with sustained winds of 130 knots or greater.

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Physical impacts

Damage to historical and cultural landmarks.

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Environmental impacts

Damage to natural resources and the surrounding area.

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Economic impacts

Effects on the wealth and recovery costs of an area.

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Study Notes

Hazard Definitions

  • Hazard: A danger or risk.
  • Disaster: A sudden catastrophic event causing injury, death, and property destruction.
  • Natural Hazard: Events in the environment damaging life and property.
  • Hurricane: A violent storm (tropical cyclone) in the Caribbean.
  • Typhoon: A violent tropical storm in the Pacific.
  • Tropical Cyclone: Intense wind and rain storm over oceans in the tropics.

Factors and Characteristics of Typhoons/ Hurricanes

  • Wind Speed: How fast the wind is blowing, a key factor.
  • Humidity: High moisture content in the air.
  • Coriolis Force: Deflects objects (right in North, left in South).
  • Sea Surface Temperature: The temperature of the top ocean layer. (crucial for formation.)
  • Eye Wall: Cylindrical region of spiraling, strongest winds.
  • Eye: Calm, low-pressure center of the storm.

Atmospheric Systems and Processes

  • Water Cycle: Continuous movement of water between Earth and atmosphere.
  • Evaporation: Liquid water changing to gas.
  • Condensation: Gas changing to liquid.
  • Precipitation: Water falling from clouds.
  • Low-Pressure System: Air with low pressure at the center, high pressure outside.
  • High-Pressure System: Air with high pressure at the center, lower pressure outside.
  • Wind Direction: The direction the wind is blowing.
  • Air Pressure: Force of air molecules pressing on a surface.

Measuring and Monitoring Typhoons

  • Saffir-Simpson Scale: Measures hurricane power and wind speed.
  • Typhoon Warning System: Methods to warn people about coming typhoons.

Impacts of Typhoons

  • Storm Surge: A rising sea level due to storms and winds.
  • Landslides: Rapid movement of material down a slope.
  • Mudslides: Flowing mud and material down a slope.
  • Physical Impacts: Damage to physical resources.
  • Environmental Impacts: Harm to natural resources.
  • Economic Impacts: Impacts on an area's wealth (ex., costs to rebuild and affected businesses)
  • Super Typhoon: Tropical cyclone in the western Pacific with winds over 130 knots.

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