Weather Quiz 2 Flashcards

1
Q
  1. What feature is normally associated with the cumulus stage of a thunderstorm?
  • Roll cloud
  • Frequent lightning
  • Continuous updraft
A

Continuous updraft

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2
Q
  1. Which weather phenomenon signals the beginning of the mature stage of a thunderstorm?
  • The appearance of an anvil top
  • Precipitation beginning to fall
  • Maximum growth rate of the clouds
A

Precipitation beginning to fall

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3
Q
  1. (Refer to Figure 23.) What are the VFR minimum visibility requirements over Plantation Airport?
  • 1 SM
  • 3 SM
  • 5 SM
A

3 SM

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4
Q
  1. What minimum visibility is required for sUAS operations?
  • 3 miles
  • 1 miles
  • 4 miles
A

3 miles

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5
Q
  1. What conditions are necessary for the formation of thunderstorms?
  • Lifting force, moist air, and extensive cloud cover
  • High humidity, high temperature, and cumulus clouds
  • High humidity, lifting force, and unstable conditions
A

High humidity, lifting force, and unstable conditions

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6
Q
  1. Where are squalls most likely to form?
  • At any altitude
  • Low altitude
  • High altitude
A

At any altitude

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7
Q
  1. The minimum distance from clouds required for sUAS part 107 operations is
  • Clear of clouds
  • 500 feet below 2,000 feet horizontally
  • 500 feet above, 1,000 feet horizontally
A

500 feet below 2,000 feet horizontally

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8
Q
  1. A nonfrontal, narrow band of active thunderstorms that often develop ahead of a cold front is known as a
  • Pre frontal system
  • Squall line
  • Dry line
A

Squall line

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9
Q
  1. Which weather phenomenon is always associated with a thunderstorm?
  • Lightning
  • Hail
  • Heavy rain
A

Lightning

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10
Q
  1. Thunderstorms reach their greatest intensity during the
  • Cumulus stage
  • Downdraft stage
  • Mature stage
A

Mature stage

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11
Q
  1. In what stage are thunderstorms the strongest?
  • Mature
  • Cumulus
  • Dissipating
A

Mature

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12
Q
  1. Upon your preflight evaluation of weather, the forecasts you reference state there is an unstable air mass approaching your location. Which would not be a concern for your impending operation?
  • Turbulent conditions
  • Thunderstorms
  • Stratiform clouds
A

Stratiform clouds

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13
Q
  1. What are the characteristics of stable air?
  • Poor visibility and intermittent precipitation
  • Poor visibility and steady precipitation
  • Good visibility and steady precipitation
A

Poor visibility and steady precipitation

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14
Q
  1. (Refer to Figure 69) You are inspecting the lighted towers approximately 8 NM SW of the Corpus Christi Intl airport (CRP). What is the lowest cloud cover that will enable you to inspect the top of the tower?
  • 1,054 feet MSL
  • 1,104 feet MSL
  • 1,604 feet MSL
A

1,604 feet MSL

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15
Q
  1. What would decrease the stability of an air mass
  • Decrease in water vapor
  • Cooling from below
  • Warming from below
A

Warming from below

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16
Q
  1. A stable air mass is most likely to have which characteristic?
  • Turbulent air
  • Poor surface visibility
  • Showery precipitation
A

Poor surface visibility

17
Q
  1. What is the expected duration of an individual microburst?
  • Two minutes with maximum winds lasting approximately 1 minute
  • Seldom longer than 15 minutes from the time the burst strikes the ground until dissipation
  • One microburst may continue for as long as 2 to 4 hours
A

Seldom longer than 15 minutes from the time the burst strikes the ground until dissipation

18
Q
  1. What measurement can be used to determine the stability of the atmosphere?
  • Surface temperature
  • Atmospheric pressure
  • Actual lapse rate
A

Actual lapse rate

19
Q
  1. What are characteristics of a moist, unstable air mass?
  • Poor visibility and smooth air
  • Haze and smoke
  • Turbulence and showery precipitation
A

Turbulence and showery precipitation

20
Q
  1. You have received an outlook briefing from flight service through 1800wxbrief.com. The briefing indicates you can expect a low-level temperature inversion with high relative humidity. What weather conditions would you expect?
  • Light wind shear, poor visibility, haze, and light rain
  • Turbulent air, poor visibility, fog, low stratus type clouds, and showery precipitation
  • Smooth air, poor visibility, fog, haze, or low clouds
A

Smooth air, poor visibility, fog, haze, or low clouds

21
Q
  1. (Refer to Figure 23, Area 4.) What is the required flight visibility for a remote pilot operating an unmanned aircraft near the Plantation Airport (JYL)?
  • 3 statute miles
  • 1 statute mile
  • 5 statute miles
A

3 statute miles

22
Q
  1. The weather report lists the ceiling at 800 feet. What is the highest you can operate your sUAS?
  • 800 feet AGL
  • 300 feet AGL
  • 200 feet AGL
A

300 feet AGL

23
Q
  1. Which is considered to be the most hazardous condition when flying an sUAS in the vicinity of thunderstorms?
  • Wind shear and turbulence
  • Static electricity
  • Lightning
A

Lightning

24
Q
  1. Thunderstorms which generally produce the most intense hazard to aircraft are
  • Warm front thunderstorms
  • Squall line thunderstorms
  • Steady state thunderstorms
A

Squall line thunderstorms

25
Q
  1. (Refer to Figure 78.) What is the minimum base of the cloud layer to fly to the top of the towers 4 NM east of Onawa (K36)?
  • 292 feet AGL
  • 792 feet AGL
  • 1,335 feet MSL
A

792 feet AGL

26
Q
  1. If there is thunderstorm activity in the vicinity of an airport at which you plan to land, which hazardous atmospheric phenomenon might be expected during recovery/landing of the sUAS?
  • Precipitation static
  • Wind-shear turbulence
  • Steady Rain
A

Wind-shear turbulence

27
Q
  1. During the life cycle of a thunderstorm, which stage is characterized predominately by downdrafts?
  • Cumulus
  • Mature
  • Dissipating
A

Dissipating