SAMRA 14-4
5 Questions
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SAMRA 14-4

Created by
@SaintlyCloisonnism

Questions and Answers

How does the frequency relate to attenuation in radar waves?

  • There is no relationship between frequency and attenuation
  • As frequency increases, attenuation decreases
  • As frequency increases, attenuation remains constant
  • As frequency increases, attenuation increases (correct)
  • What happens to the height of supercooled water when not far below freezing?

  • Height decreases significantly
  • Height remains constant
  • Height varies unpredictably
  • Height increases with slight proximity to freezing (correct)
  • What effect does shallow ground fog have on visibility during approach to landing?

  • Allows for normal visibility without restrictions
  • The slant visibility is more than RVRA at the touchdown zone (correct)
  • Only affects horizontal visibility
  • Reduces visibility to below minimums
  • What weather phenomenon is formed when a cold front meets a warm front?

    <p>Trowal</p> Signup and view all the answers

    Which of the following can weather radar detect?

    <p>Only rain</p> Signup and view all the answers

    Study Notes

    Radar Wave Frequencies

    • As frequency increases, attenuation of radar waves also increases, affecting signal strength and reliability.

    Supercooling Water

    • Supercooling occurs when water remains liquid at temperatures below freezing.
    • Height can either be increased or decreased while keeping close to the freezing level.
    • Emphasis on the keyword: increase.

    Shallow Ground Fog Impact on Visibility

    • Shallow ground fog can result in slant visibility that exceeds the Required Visual Reference Area (RVRA) in the touchdown zone during landing.

    Cold Front Interaction with Warm Front

    • The interaction of a cold front with a warm front leads to the formation of a trowal, which is a trough of warm air aloft in a frontal system.

    Weather Radar Detection Capabilities

    • Weather radar is capable of detecting various types of precipitation including:
      • Dry snow
      • Snow
      • Rain
      • Hail

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    Description

    Test your knowledge on radar wave frequencies, supercooling of water, and the impact of shallow ground fog on visibility during landings. This quiz covers essential concepts related to atmospheric science and aviation safety. Prepare to answer questions on how these phenomena affect real-world scenarios.

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