Causes of Hydrometeorological Hazards

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Questions and Answers

What is the definition of Hydrometeorological hazards?

  • Man-made disasters due to industrial activities
  • Phenomena related to atmospheric, hydrologic, or oceanographic processes (correct)
  • Natural disasters caused by human actions
  • Hazards originating from volcanic eruptions

How is a typhoon described?

  • A violent tropical cyclone with counterclockwise rotating winds (correct)
  • A severe earthquake
  • A powerful tropical cyclone with winds rotating clockwise
  • An intense snowstorm in the Arctic region

What is an impending sign that a typhoon is close?

  • Increase in barometric pressure
  • Drop in ocean swell (correct)
  • Decrease in cloud formations
  • Sudden calmness in the atmosphere

What wind speed range characterizes a super typhoon?

<p>220-300 kilometers per hour (C)</p> Signup and view all the answers

Which oceanic area is most susceptible to typhoons?

<p>Western Pacific Ocean (C)</p> Signup and view all the answers

What may indicate a typhoon about 36 hours before landfall?

<p>Cumulus clouds filling the sky (B)</p> Signup and view all the answers

Which weather condition is characterized by lightning, thunder, heavy rainfall, and possibly a tornado?

<p>Thunderstorm (A)</p> Signup and view all the answers

Which organization in the Philippines provides public safety warnings for hydrometeorological hazards?

<p>PAGASA (A)</p> Signup and view all the answers

What instrument measures and records air temperature continuously?

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

What causes wind speed to increase according to the text?

<p>Decrease in barometric pressure (D)</p> Signup and view all the answers

What is a series of ocean waves brought about by strong winds?

<p>Ocean swell (A)</p> Signup and view all the answers

Which instrument is used to determine the height of the cloud base by measuring the distance of the cloud base to the ground?

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

What is the purpose of a Weather Finding Radar?

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

Which instrument is attached to a balloon to measure temperature, pressure, and relative humidity in the atmosphere?

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

What does a Ceiling Balloon filled with hydrogen or other gas lighter than air help determine?

<p>Height of the cloud base (A)</p> Signup and view all the answers

Which instrument is used to measure wind speed and direction through radar echoes?

<p>Wind Finding Radar (B)</p> Signup and view all the answers

What type of data does a Radiosonde transmit to a receiver on the ground?

<p>Temperature changes (D)</p> Signup and view all the answers

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