AVIA 340 Quiz 2 Forecasts Weather

AVIA 340 Quiz 2 Liberty University

AVIA 340 Quiz: Forecasts Weather

Module 1: Week 1 — Module 6: Week 6

1. Which of the following is true regarding convective turbulence:
2. It can be difficult to distinguish visually between an ash cloud and an ordinary cloud.
3. Which of the following is the notation for reporting hail in a METAR/SPECI:
4. All altitude references in a PIREP are MSL unless otherwise noted.
5. A mountain obscuration is a condition in which mountains or mountain ridges are obscured due to clouds, precipitation, smoke, or other obscurations.
6. The National Environmental Satellite, Data, and Information Service (NESDIS) provides data to the National Weather Service.
7. The FAA does not approve or qualify Internet providers of aviation weather.
8. Advection fog is generally a nighttime occurrence and often does not dissipate until after sunrise.
9. The National Weather Service provides weather data, forecasts, and warnings for only the United States.
10. The highest quantities of super cooled liquid water content (SLWC) can be found in cumuliform clouds.
11. Coded and/or plain language information elaborating on data in the body may be appended to the end of the METAR as “notes.”
12. FSSs provide:
13. Which of the following is not a stage in a thunderstorm cell life cycle:
14. Wind speeds in a METAR are determined by the average wind speed over a 5-minute period.
15. Virtually all showers and thunderstorms form in an air mass that is classified as conditionally stable.
16. A __________ brieng provides a complete weather picture and is the most detailed of all briefings.
17. are raw weather data collected by sensors such as weather radar or satellite.
18. An ARTCC is a facility established to provide air traffic control (ATC) service to aircraft operating on visual flight rules (VFR) flight plans within controlled airspace, principally during the en route phase of flight.
19. Which of the following is true about Clear Air Turbulence (CAT):
20. A PIREP listed as UUA means it is:
21. This type of brieng should be obtained prior to the departure of any flight and should be used during flight planning.
22. The HIWAS broadcast area is defined as the area within 50 NM of HIWAS outlets.
23. Which of the following are the ultimate users of aviation weather services:
24. Which of the following are not considered forecasts:
25. ice is rough, milky, and opaque ice formed by the instantaneous freezing of small, super cooled water droplets after they strike the aircraft.

Set 1

1. Automated observations are derived from instruments and algorithms without human input or oversight.
2. The directional variability for wind direction in a METAR is coded in a clockwise direction and consists of the extremes of the wind directions separated by a “X.”
3. A ______ briefing is a good source of flight planning information that can influence decisions regarding route of flight, altitude, and ultimately the “go, no-go” decision.
4. The National Weather Service provides weather data, forecasts, and warnings for only the United States.
5. Virtually all showers and thunderstorms form in an air mass that is classified as conditionally stable.
6. A PIREP listed as UUA means it is:
7. Although the areas where AIRMETs apply may be shown graphically, a graphical depiction of the AIRMET area is not the entire AIRMET.
8. A ________ is a line connecting points of equal or constant pressure.
9. The National Environmental Satellite, Data, and Information Service (NESDIS) provides data to the National Weather Service.
10. Which of the following is not a stage in a thunderstorm cell life cycle:
11. Structural icing destroys the smooth flow of air, increasing drag while decreasing the ability of the airfoil to create lift.
12. Which of the following is the notation for reporting hail in a METAR/SPECI:
13. A _____ briefing should be requested when a departure has been delayed or when specific weather information is needed to update.
14. A mountain obscuration is a condition in which mountains or mountain ridges are obscured due to clouds, precipitation, smoke, or other obscurations.
15. ______ are raw weather data collected by sensors such as weather radar or satellite.
16. Weather is the most common reason for air traffic delays and re-routings.
17. A __________ briefing provides a complete weather picture and is the most detailed of all briefings.
18. An ARTCC is a facility established to provide air traffic control (ATC) service to aircraft operating on visual flight rules (VFR) flight plans within controlled airspace, principally during the en route phase of flight.
19. Wind speeds in a METAR are determined by the average wind speed over a 5-minute period.
20. Coded and/or plain language information elaborating on data in the body may be appended to the end of the METAR as “notes.”
21. Which of the following is true regarding convective turbulence:
22. The ATCSCC’s main mission is to provide commercial aviation with the fastest, most fuel-efficient route.
23. Propagation is the component of storm motion due to individual cells moving with the average wind throughout the vertical depth of the cumulonimbus cloud.
24. In the United States, hail is most common across the Great Plains region east of the Rocky Mountains.
25. A __________ consists of a group of cells at various stages of their life cycle.

Set 2

1. ________ ice is rough, milky, and opaque ice formed by the instantaneous freezing of small, super cooled water droplets after they strike the aircraft.
2. A _____________ chart shows the distribution of sea level pressure, including the positions of highs, lows, ridges, and troughs, and the location and character of fronts and various boundaries, such as drylines, outflow boundaries, and sea breeze fronts.
3. In the United States, hail is most common across the Great Plains region east of the Rocky Mountains.
4. Mountain waves can only extend up to 100 miles downwind from the mountain range.
5. ________ is a visible aggregate of minute water droplets that are based at the Earth’s surface and reduces horizontal visibility to less than 5/8 statute mile.
6. An ARTCC is a facility established to provide air traffic control (ATC) service to aircraft operating on visual flight rules (VFR) flight plans within controlled airspace, principally during the en route phase of flight.
7. Advection fog is generally a nighttime occurrence and often does not dissipate until after sunrise.
8. The National Environmental Satellite, Data, and Information Service (NESDIS) provides data to the National Weather Service.
9. A ______ briefing is a good source of flight planning information that can influence decisions regarding route of flight, altitude, and ultimately the “go, no-go” decision.
10. FSSs provide:
11. Weather is the most common reason for air traffic delays and re-routings.
12. A ________ is a line connecting points of equal or constant pressure.
13. Which of the following is true about Clear Air Turbulence (CAT):
14. Structural icing destroys the smooth flow of air, increasing drag while decreasing the ability of the airfoil to create lift.
15. Which of the following are SPECI criteria:
16. Although the areas where AIRMETs apply may be shown graphically, a graphical depiction of the AIRMET area is not the entire AIRMET.
17. Which of the following is true regarding convective turbulence:
18. The highest quantities of super cooled liquid water content (SLWC) can be found in cumuliform clouds.
19. ______ are raw weather data collected by sensors such as weather radar or satellite.
20. A mountain obscuration is a condition in which mountains or mountain ridges are obscured due to clouds, precipitation, smoke, or other obscurations.
21. Pure water suspended in the air does not freeze until it reaches a temperature of -32 °C.
22. _______ fog forms as a result of moist, stable air being adiabatically cooled to or below its dew point as it moves up sloping terrain.
23. Which of the following is not a stage in a thunderstorm cell life cycle:
24. It can be difficult to distinguish visually between an ash cloud and an ordinary cloud.
25. Which of the following are not considered forecasts: