Aviation Weather Information Quiz
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Questions and Answers

Explain the function of geostationary weather satellites and provide examples of such satellites.

Geostationary weather satellites orbit the Earth at a high altitude of approximately 36,000 km over the Equator, monitoring the same area on Earth continuously. Examples include GOES (Geostationary Operational Environmental Satellite) by the USA, Elektro-L by Russia, MTSAT by Japan, Fengyun by China, and Meteosat by Europe.

What is the function of polar-orbiting weather satellites and how often does the same area on Earth pass under them? Provide an example of a polar-orbiting weather satellite.

Polar-orbiting weather satellites orbit at a low altitude of approximately 800 km and the same area on Earth passes under them twice per day. An example is the Fengyun series launched by China.

Who issues Significant Weather (SIGWX) charts and how often are they issued?

SIGWX charts are issued by World Area Forecast Centres (WAFC) every 6 hours, presenting the most important meteorological phenomena relevant to air traffic transport.

List the official (closed) and non-sensitive methods of collecting weather information mentioned in the text.

<p>The official (closed) and non-sensitive methods of collecting weather information mentioned in the text are weather radar, weather balloon, weather satellite, and human observer.</p> Signup and view all the answers

What is the altitude at which geostationary weather satellites orbit the Earth?

<p>Geostationary weather satellites orbit at a high altitude of approximately 36,000 km.</p> Signup and view all the answers

How does the speed of geostationary weather satellites compare to the Earth's rotation speed?

<p>Geostationary weather satellites orbit at the same speed as Earth's rotation over the Equator.</p> Signup and view all the answers

What is the altitude at which polar-orbiting weather satellites orbit the Earth?

<p>Polar-orbiting weather satellites orbit at a low altitude of approximately 800 km.</p> Signup and view all the answers

How often does the same area on Earth pass under polar-orbiting weather satellites?

<p>The same area on Earth passes under polar-orbiting weather satellites twice per day.</p> Signup and view all the answers

Provide an example of a geostationary weather satellite launched by Japan.

<p>An example of a geostationary weather satellite launched by Japan is MTSAT (Multifunctional Transport Satellite).</p> Signup and view all the answers

Who launched the Geostationary Operational Environmental Satellite (GOES)?

<p>The Geostationary Operational Environmental Satellite (GOES) was launched by the USA.</p> Signup and view all the answers

What is the website for more information about the Geostationary Operational Environmental Satellite (GOES)?

<p>For more information about the Geostationary Operational Environmental Satellite (GOES), visit <a href="https://www.nasa.gov/content/goes">https://www.nasa.gov/content/goes</a>.</p> Signup and view all the answers

What is the website for more information about the Elektro-L geostationary weather satellite launched by Russia?

<p>For more information about the Elektro-L geostationary weather satellite launched by Russia, visit <a href="http://www.russianspaceweb.com/elektro.html">http://www.russianspaceweb.com/elektro.html</a>.</p> Signup and view all the answers

Explain the difference between low-level charts and medium/high-level charts in aviation weather information?

<p>Low-level charts cover altitudes below 10,000 ft, while medium/high-level charts cover altitudes from FL100 to FL450.</p> Signup and view all the answers

What weather conditions do the symbols on aviation charts indicate?

<p>The symbols on aviation charts indicate weather conditions such as moderate/severe icing and turbulence.</p> Signup and view all the answers

What is a convergence zone in aviation weather information?

<p>A convergence zone is an isolated cumulonimbus cloud with potential thunderstorms, icing, and turbulence, with its top at 41,000 ft.</p> Signup and view all the answers

What type of information do Significant Weather (SIGWX) charts provide?

<p>SIGWX charts provide information on weather phenomena at different flight levels.</p> Signup and view all the answers

What information is displayed on a Surface Weather Map in aviation weather information?

<p>A Surface Weather Map displays wind barbs, sky cover, types of weather, and pressure trend.</p> Signup and view all the answers

What does the station model interpretation in aviation weather information include?

<p>Station model interpretation includes temperature, sea level pressure, visibility, and wind direction.</p> Signup and view all the answers

What is the validity period for volcanic ash and tropical cyclone advisories provided by SIGMET?

<p>The validity period for volcanic ash and tropical cyclone advisories provided by SIGMET is up to 6 hours.</p> Signup and view all the answers

What type of weather phenomena does AIRMET cover in aviation weather information?

<p>AIRMET covers weather less severe than SIGMET, with categories like mountain obscuration, turbulence, and icing.</p> Signup and view all the answers

What does the example 'AIRMET SIERRA UPDT 4' indicate in aviation weather information?

<p>The example 'AIRMET SIERRA UPDT 4' indicates IFR and mountain obscuration conditions.</p> Signup and view all the answers

What type of information does Graphical AIRMET (G-AIRMET) provide in aviation weather information?

<p>Graphical AIRMET (G-AIRMET) provides a graphical representation of AIRMET information.</p> Signup and view all the answers

What are Pilot Reports (PIREPs) in aviation weather information?

<p>Pilot Reports (PIREPs) are weather reports filed by pilots during flight to share observed conditions.</p> Signup and view all the answers

What are the functions of geostationary weather satellites and polar-orbiting weather satellites?

<p>Geostationary satellites orbit over the Equator at high altitude and monitor the same area on Earth continuously, while polar-orbiting satellites orbit at low altitude and pass over the same area on Earth twice per day.</p> Signup and view all the answers

What is the altitude at which geostationary weather satellites orbit the Earth?

<p>Approximately 36,000 km.</p> Signup and view all the answers

What is the altitude at which polar-orbiting weather satellites orbit the Earth?

<p>Approximately 800 km.</p> Signup and view all the answers

List three examples of geostationary weather satellites and their respective launching countries.

<ol> <li>Geostationary Operational Environmental Satellite (GOES) - USA\n2. Elektro-L - Russia\n3. Multifunctional Transport Satellite (MTSAT) - Japan</li> </ol> Signup and view all the answers

List two examples of polar-orbiting weather satellites and their respective launching countries.

<ol> <li>Fengyun - China\n2. Meteosat - Europe</li> </ol> Signup and view all the answers

What are Significant Weather (SIGWX) charts and how often are they issued?

<p>SIGWX charts are issued every 6 hours by World Area Forecast Centres (WAFC) to present the most important meteorological phenomena relevant to air traffic transport.</p> Signup and view all the answers

What are some examples of meteorological phenomena covered by Significant Weather (SIGWX) charts?

<p>Examples include significant weather events such as thunderstorms, turbulence, and icing relevant to air traffic transport.</p> Signup and view all the answers

What is the website for more information about the Geostationary Operational Environmental Satellite (GOES) launched by the USA?

<p><a href="https://www.nasa.gov/content/goes">https://www.nasa.gov/content/goes</a></p> Signup and view all the answers

What is the website for more information about the Elektro-L geostationary weather satellite launched by Russia?

<p><a href="http://www.russianspaceweb.com/elektro.html">http://www.russianspaceweb.com/elektro.html</a></p> Signup and view all the answers

What is the function of the Multifunctional Transport Satellite (MTSAT) launched by Japan?

<p>The MTSAT monitors weather and provides meteorological information.</p> Signup and view all the answers

What are some sources of non-sensitive methods of collecting weather information mentioned in the text?

<p>Weather radar, weather balloon, and human observer are mentioned as non-sensitive methods of collecting weather information.</p> Signup and view all the answers

What type of weather phenomena does the High-level SIGWX chart include information about in aviation weather information?

<p>Convergence zones, clear air turbulence, and jetstream speeds.</p> Signup and view all the answers

What does a synoptic chart illustrate in aviation weather information?

<p>Meteorological conditions over a wide area, including air pressure and troughs.</p> Signup and view all the answers

What are the main weather occurrences covered by SIGMETs in aviation weather information?

<p>Thunderstorms, cumulonimbus clouds, severe icing, volcanic ash, and squalls.</p> Signup and view all the answers

What type of information does the Surface Weather Map show in aviation weather information?

<p>Wind barbs, sky cover, types of weather, and pressure trends.</p> Signup and view all the answers

What does a PIREP provide in aviation weather information?

<p>Weather report filed by pilots during flight, providing observations such as altitude, wind speed, and icing conditions.</p> Signup and view all the answers

What is the validity period for SIGMET en-route weather advisories?

<p>Not exceeding 4 hours.</p> Signup and view all the answers

What additional weather reporting systems are mentioned in the text?

<p>G-AIRMET and PIREP.</p> Signup and view all the answers

What are the types of charts mentioned in the text and their corresponding altitude ranges in aviation weather information?

<p>Low-level (&lt; 10,000 ft) and medium/high-level (FL100 to FL 450) charts.</p> Signup and view all the answers

What type of weather conditions do the symbols on charts indicate in aviation weather information?

<p>Moderate or severe icing and turbulence.</p> Signup and view all the answers

What type of weather does AIRMET report in aviation weather information?

<p>Less severe weather than SIGMETs, including mountain obscuration, turbulence, and icing.</p> Signup and view all the answers

What is a station model used for in aviation weather information?

<p>Interpreting temperature, sea level pressure, visibility, and wind direction.</p> Signup and view all the answers

What is a PIREP and what observations does it provide in aviation weather information?

<p>Weather report filed by pilots during flight, providing observations such as altitude, wind speed, and icing conditions.</p> Signup and view all the answers

Study Notes

Aviation Weather Information Summary

  • Types of charts in aviation include low-level charts (< 10,000 ft) and medium/high-level charts (FL100 to FL 450).
  • Symbols on charts indicate weather conditions such as moderate/severe icing and turbulence.
  • Convergence zone: isolated cumulonimbus cloud with potential thunderstorms, icing, and turbulence, with top at 41,000 ft.
  • Significant Weather (SIGWX) charts provide information on weather phenomena at different flight levels.
  • Surface Weather Map displays wind barbs, sky cover, types of weather, and pressure trend.
  • Station model interpretation includes temperature, sea level pressure, visibility, and wind direction.
  • SIGMET provides advisories on en-route weather phenomena affecting visibility, with a validity period of up to 6 hours for volcanic ash and tropical cyclones.
  • SIGMET WSSR20 reports embedded thunderstorms in the Singapore FIR with a specified validity period.
  • AIRMET covers weather less severe than SIGMET, with categories like mountain obscuration, turbulence, and icing.
  • AIRMET SIERRA UPDT 4 example indicates IFR and mountain obscuration conditions.
  • Graphical AIRMET (G-AIRMET) provides graphical representation of AIRMET information.
  • Pilot Reports (PIREPs) are weather reports filed by pilots during flight to share observed conditions.

Aviation Weather Information Summary

  • Types of charts include low-level (< 10,000 ft) and medium/high-level (FL100 to FL 450) charts.
  • Symbols on charts indicate moderate or severe icing and turbulence.
  • High-level SIGWX chart includes information like convergence zones, clear air turbulence, and jetstream speeds.
  • Surface weather maps show wind barbs, sky cover, types of weather, and pressure trends.
  • Station model interpretation includes temperature, sea level pressure, visibility, and wind direction.
  • SIGMET provides en-route weather advisories, with validity not exceeding 4 hours.
  • SIGMETs cover occurrences like thunderstorms, cumulonimbus clouds, severe icing, volcanic ash, and squalls.
  • AIRMET reports less severe weather than SIGMETs, including mountain obscuration, turbulence, and icing.
  • G-AIRMET and PIREP are additional weather reporting systems.
  • A synoptic chart illustrates meteorological conditions over a wide area, including air pressure and troughs.
  • A PIREP is a weather report filed by pilots during flight, providing observations such as altitude, wind speed, and icing conditions.
  • Longitudes on a synoptic chart indicate areas of high pressure and troughs, with isobars representing constant pressure.

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Test your knowledge of aviation weather information with this comprehensive summary quiz. Explore types of charts, symbols, convergence zones, SIGWX charts, surface weather maps, SIGMET, AIRMET, and PIREPs to enhance your understanding of weather phenomena affecting aviation operations.

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