Weather Part 2
1114 How long is the forecast of a Convective SIGMET valid for? A) 2 hours B) 4 hours C) 6 hours
A) 2 hours
452 What is the upper limit of the Low Level Significant Weather Prognostic Chart? A) 24000 feet B) 30000 feet C) 18000 feet
A) 24000 feet
1126 What was the location of aircraft when the pilot submitted the following PIREP? UA/OV SUX 18025/TM1340/TP PA34/SK OVC 025/WX FV04SM RA HZ/WV 23015KT/TB LGT/RM LGT RAIN A) 25 NM south on the 180 degree radial from the SUX VOR B) Over the SUX VOR C) 18 miles on the 025 degree radial from the SUX VOR
A) 25 NM south on the 180 degree radial from the SUX VOR
451 The U.S. High-Level Significant Weather Prognostic Chart forecasts significant weather for what airspace? A) 25000 feet to 63000 feet B) 24000 feet to 45000 feet C) 18000 feet to 45000 feet
A) 25000 feet to 63000 feet
1145 What is the flight visibility submitted in the following PIREP? UA/OV SUX 18025/TM1340/TP PA 34/SK OVC 025/WX FV04SM RA HX/WV/23015KT/TB LGT/RM LGT RAIN A) 4 statute miles, rain, haze B) 4 nautical miles, smoke, rain, haze C) 4 statute miles, smoke, rain, haze
A) 4 statute miles, rain, haze
576 Weather Advisory Broadcasts, including Severe Weather Forecast Alerts (AWW), convective SIGMENTs, and SIGMETs, are provided by A) Air Route Traffic Control Centers (ARTCC) B) Flight Service Station (FSS) C) Automated Terminal Information Service (ATIS)
A) Air Route Traffic Control Centers (ARTCC)
1235 If ice pellets are falling to the ground, what does this indicate? A) An inversion is taking place B) Snow is falling from low clouds C) An adiabatic temperature lapse rate has occurred
A) An inversion is taking place
1363 When flying in a mountainous area on a cool clear night with little wind and moist air, what would you expect? A) Fog forming in low-lying or valley areas B) Temperature inversion and turbulence C) Clam and unlimited visibility
A) Fog forming in low-lying or valley areas
1528 What conditions cause an unstable air mass? A) High humidity and high temperature B) Lower humidity and cooler temperature C) Constant humidity and stable temperature
A) High humidity and high temperature
1190 While planning a flight, your weather briefing indicates that low pressure is developing along your planned route. What weather conditions do you expect? A) Increasing number of clouds and precipitation B) Decreasing number of clouds and precipitation C) Turbulence and clear skies
A) Increasing number of clouds and precipitation
1439 In the northern hemisphere, how does air move from an area of high pressure to an area of low pressure? A) It moves in a clockwise, outward, and downward manner into an area of rising low pressure B) It moves in a counter-clockwise, upward motion, from an area of low pressure C) Generally speaking, air doesn't move out of an area of high pressure in the northern hemisphere
A) It moves in a clockwise, outward, and downward manner into an area of rising low pressure
450 What weather phenomenon is implied within an area enclosed by red scalloped lines on a U.S. High-Level Significant Weather Prognostic Chart? A) Moderate or severe icing B) Light to moderate turbulence C) Clear air turbulence
A) Moderate or severe icing
1142 What weather phenomenon is implied within an area enclosed by bold yellow dashed lines on a U.S. High-Level Significant Weather prognostic Chart? A) Moderate or severe turbulence B) Moderate or severe icing C) Moderate or severe turbulence and icing
A) Moderate or severe turbulence
1327 What conditions are indicated by this SIGMET? SIGMET ROMEO 2 VALID UNTIL 100530 OR WA FROM SEA TO PDT TO EUG TO SEA OCNL SEV CAT BTN FL280 AND FL350 EXPCD DUE TO JTSTR. CONDS BGNG AFT 0200Z CONTG BYD 0530Z. A) Occasional severe clear air turbulence between FL 280 and FL 350 B) ROMEO 2 arrival over WA, several carrier aircraft reporting jet stream conditions C) Significant meteorological events on the ROMEO 2 arrival between 1000Z-0530Z over JTSTR intersection
A) Occasional severe clear air turbulence between FL 280 and FL 350
1320 Which weather product contains non-convective weather information potentially hazardous to all aircraft? A) SIGMET B) AIRMET C) Convective SIGMET
A) SIGMET
759 If you find yourself in convective weather with severe turbulence, you should A) Slow below maneuvering speed (Va) or manufacturer's recommended turbulence airspeed, maintain wings level, and accept airspeed and altitude deviations B) Slow below maneuvering speed (Va) or manufacturer's recommended turbulence airspeed, maintain wings level and airspeed C) Slow below maneuvering speed (Va) or manufacturer's recommended turbulence airspeed, maintain wings level and altitude
A) Slow below maneuvering speed (Va) or manufacturer's recommended turbulence airspeed, maintain wings level, and accept airspeed and altitude deviations
1350 If the temperature lapse rate decreases what happens to the stability of the air? A) Stability increases B) Stability decreases C) Stability remains the same
A) Stability increases
1392 Why should a pilot not attempt to fly an aircraft when frost has accumulated on the aircraft airfoils? A) The boundary layer of smooth air over the lifting airfoil will separate at an AOA that is below the critical angle of attack B) Flight with frost can be accomplished if the frost is rubbed smooth by hand C) The airfoil will lose lift at higher AOA
A) The boundary layer of smooth air over the lifting airfoil will separate at an AOA that is below the critical angle of attack
1308 You are flying and notice virga above your airport of intended landing and dust billowing up from the ground A) You should fly away from the airport as this is an indication of a microburst B) Fly through it if you have deicing equipment C) Fly though it because it is only light rain striking the ground
A) You should fly away from the airport as this is an indication of a microburst
465 The Low Level Wind Shear Alert System (LLWAS) provides wind data and software process to detect the presence of a A) change in wind direction and/or speed within a very short distance above the airport B) rotating column of air extending from a cumulonimbus cloud C) downward motion of the air associated with continuous winds blowing with an easterly component due to the rotation of the Earth
A) change in wind direction and/or speed within a very short distance above the airport
1054 The most dangerous hazards operating in the vicinity of thunderstorms are A) hail and turbulence B) pitot static errors and low visibility C) thunder and heavy rain
A) hail and turbulence
455 The difference found by subtracting the temperature of a parcel of air theoretically lifted from the surface to 500 millibars and the existing temperature at 500 millibars is called the A) lifted index B) negative index C) positive index
A) lifted index
460 A pilot reporting turbulence that momentarily causes slight, erratic changes in altitude and/or attitude should report it as A) light turbulence B) moderate turbulence C) light chop
A) light turbulence
464 A strong wind shear can be expected A) on the low-pressure side of a jetstream core where the speed at the core is stronger than 110 knots B) if the 5°C isotherms are spaced between 7° to 10° of latitude C) in the jetstream front above a core having a speed of 60 to 90 knots
A) on the low-pressure side of a jetstream core where the speed at the core is stronger than 110 knots
1341 A temperature inversion is a layer in which A) temperature increases with altitude B) temperature decreases with altitude C) temperature remains the same with changes in altitude
A) temperature increases with altitude
456 Hatching on a Constant Pressure Analysis Chart indicates A) windspeed 700 knots to 110 knots B) hurricane eye C) windspeed 110 knots to 150 knots
A) windspeed 700 knots to 110 knots
449 Which weather chart depicts conditions forecast to exist at a specific time in the future? A) Freezing Level Chart B) 12-Hour Significant Weather Prognostication Chart C) Weather Depiction Chart
B) 12-Hour Significant Weather Prognostication Chart
1348 What are the winds forecast at 6000 feet MSL? 9000 3000 6000 MKC 9900 2425+07 2435+05 A) 240 magnetic at 25 knots B) 240 true at 25 knots C) Winds 24 knots at 250 magnetic
B) 240 true at 25 knots
1359 What weather conditions are indicated by the terminal aerodrome forecast (TAF) shown below? FM012100 18015KT P6SM SCT050 PROB30 0121/0211 1SM+TSRA A) 30% chase of heavy thunderstorm, moderate rain, 1 statute mile visibility B) 30% chance of thunderstorms, heavy rain, and 1 statute mile visibility C) 30% chance of turbulence, heavy rain, and 1 statue mile visibility.
B) 30% chance of thunderstorms, heavy rain, and 1 statute mile visibility
1248 What is the sky condition submitted in the following PIREP? UA/OV SUX 18025/TM1340/TP PA34/SK OVC025 TOP 045 BKN073 TOP085 SKC/TB LGT A) Base of overcast 2500 AGL with tops at 4500 AGL, broken 7300 AGL with tops at 8500 AGL, sky clear above 8500 AGL B) Base of overcast 2500 MSL with tops at 4500 MSL, broken 7300 MSL with tops at 8500 MSL, sky clear above 8500 MSL C) Base of overcast 2500 MSL with tops at 4500 MSL, next overcast 7300 MSL with tops at 8500 MSL
B) Base of overcast 2500 MSL with tops at 4500 MSL, broken 7300 MSL with tops at 8500 MSL, sky clear above 8500 MSL
1253 Where are you most likely to encounter clear air turbulence (CAT)? A) Between 10000 feet and 20000 feet in a cloud-free area B) Between 20000 feet and 50000 feet in a cloud free area C) Between 10000 feet and 20000 feet in a primarily mountainous area
B) Between 20000 feet and 50000 feet in a cloud free area
1380 When flying over a mountain range, when would you encounter the strongest turbulent downdraft? A) Upwind of the mountain range B) Downwind of the mountain range C) Crest of the mountain range
B) Downwind of the mountain range
1521 During flight, there is a close temperature dewpoint spread. What weather phenomenon can you expect? A) Temperature inversion B) Fog C) Unrestricted visibility
B) Fog
1318 The weather forecast for the next morning at a coastal airport includes temperature 16°C, dewpoint 16°C, and winds 180 at 10 knots. What weather is expected? A) Cool temperature wind inhibiting the formation of fog B) Foggy, with fog intensifying until wind increases above 15 knots C) Ice fog formation, then dissipating as winds increase
B) Foggy, with fog intensifying until wind increases above 15 knots
1532 (Refer to figure 71) What condition is indicated by the light blue dashed lines? A) Moderate to severe turbulence B) Freezing level MSL altitude C) Marginal VFR
B) Freezing level MSL altitude
1340 When precipitation falls through air that is more than 0°C into air that is less than 0°C, what weather conditions can you expect? A) Liquid precipitation B) Freezing precipitation C) The formation of fog
B) Freezing precipitation
1223 What are some weather indications of the imminent passage of a cold front? A) Low dew point, rising barometric pressure B) High dew point, falling barometric pressure C) Stable dew point, stable barometric pressure
B) High dew point, falling barometric pressure
1164 What weather phenomenon is depicted by bold green arrows on a U.S. Mid-level Significant Weather Prognostic Chart? A) Areas of turbulence and icing B) Jet stream axis C) Freezing levels at the altitude specified
B) Jet stream axis
1480 What conditions can be expected at this coastal town? METAR KTIX 110953Z 1004KT 1/4SM OVC015 17/17 A2973 RMK A02 TAF KTIX 111030Z 1112/1212 11010G15KT 1/2SM BKN 015 FM111500 13010G15KT 1/2SM BKN010 FM 112000 11010G15 1/4SM SCT015 A) Foggy and limited visibility until winds increase B) Low visibility and fog increases with winds no greater than 15 knots C) Unlimited visibility and clouds at 10000 feet
B) Low visibility and fog increases with winds no greater than 15 knots
1476 What conditions cause a stable air mass? A) High humidity and high temperature B) Lower humidity and cooler temperature C) Constant humidity and stable temperature
B) Lower humidity and cooler temperature
1298 While enroute at 17500 feet MSL, how should you report turbulence with the following characteristics? Proximity to cumuliform clouds: None. Aircraft reaction: changes in attitude occur but aircraft remains in positive control Reaction inside the aircraft: Occupants feel definite strain against seatbelts A) Light chop B) Moderate CAT C) Light turbulence
B) Moderate CAT
1275 When and where is the jet stream the strongest? A) Northern Hemisphere summers B) Northern and Southern Hemispheres winters C) Southern Hemisphere in the spring and fall
B) Northern and Southern Hemispheres winters
1244 Where is the strongest turbulence in the jet stream found? A) In the middle of the jet stream where the strongest winds are found B) On the polar side of the axis due to the greatest decrease in wind speed C) On the equatorial side of the jet stream due to increasing winds
B) On the polar side of the axis due to the greatest decrease in wind speed
1538 According to the following TAF, what will the weather conditions be for your arrival at the Louis Armstrong (KMSY) airport if your arrival time is 2030Z? KMSY 301120Z 3012/3112 10007KT P6SM FEW010 BKN060 OVC100 FM301500Z 09008KT P6SM OVC090 TEMPO 3015/3019 5SM OVC080 FM302000Z 12012KT P6SM OVC090 TEMPO 3020/3021 4SM TSRA OVC040CB FM302100Z13013KT P6SM OVC070 TEMPO 3021/3023 4SM SHRA VCSH OVC040CB FM310000Z 10010KT P6SM FEW010 A) Low visibility and rain B) Overcast 9000 feet low visibility, thunderstorms, and rain C) Overcast 4000 feet, low visibility, and showery rain
B) Overcast 9000 feet low visibility, thunderstorms, and rain
1250 What weather phenomena can be expected before the passage of an occluded front? A) Stable dew point and barometric pressure B) precipitation and poor visibility C) Clear skies and good flying conditions
B) Precipitation and poor visibility
1321 If the temperature lapse rate increases, what happens to the stability of the air? A) Stability increases B) Stability decreases C) Stability remains the same
B) Stability decreases
1518 What type of air mass would be expected when smoke, dust, haze and low visibility are present? A) Convective air mass B) Stable air mass C) Unstable air mass
B) Stable air mass
443 Which chart provides a ready means of locating observed frontal positions and pressure centers? A) Weather Depicture Chart B) Surface Analysis Chart C) Constant Pressure Analysis Chart
B) Surface Analysis Chart
1107 Which is true concerning the radar weather report (SD) for KOKC? KOKC 1934 LN 8TRW++/+ 86/40 164/60 199/115 15W C2425 MT 570 AT 159/65 2 INCH HAIL RPRTD THIS CELL A) There are three cells with tops at 11500, 40000 and 60000 feet B) The maximum tops of the cells is 57000 feet located 65 NM southeast of the station C) The line of cells is moving 060° with winds reported up to 40 knots
B) The maximum tops of the cells is 57000 feet located 65 NM southeast of the station
1516 What type of weather would you expect when you have unstable air, lifting action, and water vapor? A) Thick stratus clouds B) Thunderstorm activity C) Heavy drizzle
B) Thunderstorm activity
440 What values are used for Winds Aloft Forecasts? A) Magnetic direction and knots B) True direction and knots C) True direction and MPH
B) True direction and knots
1489 What conditions are specified by the following special weather report (SPECI)? SPECI KFSD 092054Z 32005KT 1 SM RA BR OVC007 17/16 A2990 RMK RAB31 A) Visibility 1 SM in rain and fog, rain began at 1931Z B) Visibility 1 SM in rain and mist, rain began at 2031Z C) Visibility 1 NM in rain and mist, rain began at 2031Z
B) Visibility 1 SM in rain and mist, rain began at 2031Z
1187 What weather conditions are indicated by the TAF shown below: 15005KT 5SM HZ FEW020 WS010/31022KT A) Wind shear from 010 at 3100 feet AGL at 22 knots B) Wind shear is reported at 1000 feet AGL from 310 at 22 knots C) Wind shift between 010 and 310 at 22 knots
B) Wind shear is reported at 1000 feet AGL from 310 at 22 knots
457 What flight planning information can a pilot derive from Constant Pressure Analysis Charts? A) Frontal systems and obstructions to vision aloft B) Winds and temperatures aloft C) Clear air turbulence and icing conditions
B) Winds and temperatures aloft
466 One of the most dangerous features of mountain waves is the turbulent areas in and A) above rotor clouds B) below rotor clouds C) below lenticular clouds
B) below rotor clouds
1343 On your route you see cumulous buildups with heavy rain shafts close to your destination air port. You should A) continue for a closer look B) consider diverting C) descend to a lower altitude
B) consider diverting
1324 Jet streams are bands of strong wind A) at every flight level of the atmosphere B) in the upper levels of the atmosphere C) below 10000 feet in the atmosphere
B) in the upper levels of the atmosphere
1058 Frost is hazard to aircraft because A) it decreases drag B) it disrupts airflow over the wing C) it decreases ground run before takeoff
B) it disrupts airflow over the wing
1441 If a surface-based temperature inversion is being reported at your departure airport, you can expect A) a good flight with smooth air B) low-level wind shear C) swirling fog
B) low-level wind shear
1300 A supercell thunderstorm is near your destination airport. You should be aware that these storms A) may dissipate rapidly B) may remain for several hours C) will move out of the area before arrival
B) may remain for several hours
444 On a Surface Analysis Chart, close spacing of the isobars indicates A) strong temperature gradient B) strong pressure gradient C) weak pressure gradient
B) strong pressure gradient
1452 You are approaching a mountainous area at 10000 feet from the east, with winds at 50 knots from the west. You see flat, lens-shaped clouds ahead. This is an indication of A) convective activity B) strong turbulence C) smooth flying conditions
B) strong turbulence
757 Frost covering the upper surface of an airplane wing usually will cause A) the airplane to stall at an angle of attach that is higher than normal B) the airplane to stall at an angle of attack that is lower than normal C) drag factors so large that sufficient speed cannot be obtained for takeoff
B) the airplane to stall at an angle of attack that is lower than normal
1192 On a flight from eat to west in the northern hemisphere, where a high pressure system exists north of your route, the most favorable winds would exist A) to the north of the high pressure system B) to the south of the high pressure system C) through the center of the high pressure system
B) to the south of the high pressure system
442 Dashed lines on a Surface Analysis Chart, if depicted, indicate that the pressure gradient is A) strong B) weak C) unstable
B) weak
1286 What is the valid period for the following TAF? KSUX 111130Z 1112/1212 23012G20KT P6SM OVC080 A) 1130Z on the 11th day of the month to 1200z on the 12th day of the month B) 1200Z on the 11th day of the month to 1800Z on the 12th day of the month C) 1200Z on the 11th day of the month to 1200Z on the 12th day of the month
C) 1200Z on the 11th day of the month to 1200Z on the 12th day of the month
1169 The following METAR observation has a field elevation of 1500 feet MSL. If the sky cover is one continuous layer, what is the thickness of the cloud layer? (Top of the overcast reported at 8000 feet MSL) METAR KBOS 101200Z 10003KT 5SM OVC045 20/23 A2993 A) 4500 feet B) 3000 feet C) 2000 feet
C) 2000 feet
758 To determine pressure altitude prior to take off, the altimeter should be set to A) the field elevation and the pressure reading in the altimeter setting window noted B) the current altimeter setting C) 29.92" Hg and the altimeter indication noted
C) 29.92" Hg and the altimeter indication noted
459 The minimum vertical wind shear value critical for probable moderate or greater turbulence is A) 8 knots per 1000 feet B) 4 knots per 1000 feet C) 6 knots per 1000 feet
C) 6 knots per 1000 feet
463 Which type of jetstream can be expected to cause the greater turbulence? A) A straight jetstream associated with a low-pressure trough B) A jetstream occurring during the summer at the lower latitudes C) A curving jetstream associated with a deep low-pressure trough
C) A curving jetstream associated with a deep low-pressure trough
1319 What weather phenomenon often spawns tornadoes? A) A high pressure system B) A wide temperature dew point spread C) A squall line
C) A squall line
1543 (Refer to figure 71) What does a low level significant weather chart tell you ? A) Areas of wind speed greater than 30 knots B) Areas where the jet stream is located C) Areas of VFR, MVFR and turbulence
C) Areas of VFR, MVFR and turbulence
1165 You are PIC of a flight that is supposed to depart in an hour. Thunderstorms are forecast along your route. What are some of the alternatives you have? A) ATC has complete radar coverage, and you can depend on them for thunderstorm information B) Rely on the aircraft data link weather information C) Before departing, have alternate plans in place to deviate for weather
C) Before departing, have alternate plans in place to deviate for weather
1317 When are thunderstorms forecast? KOKC 181133Z 1812/1912 17012G18KT P6SM OVC015 TEMPO 1812/1815 SCT015 BKN200 FM181500 18014G22KT P6SM BKN025 FM181800 18014G22KT P6SM SCT040 PROB30 1823/1903 P6SM TSRA BKN040CB FM190800 17012G18KT P6SM OVC015 A) Not forecast B) After 1800Z C) Between 2300 and 0300Z
C) Between 2300 and 0300Z
458 From which of the following can be observed temperature, wind and temperature/dewpoint spread be determined at a specified altitude? A) Stability Charts B) Winds Aloft Forecasts C) Constant Pressure Analysis Charts
C) Constant Pressure Analysis Charts
1072 The National Convective Weather Forecast is a supplement to, but does not substitute for, the report and forecast information contained in A) a standard weather briefing B) Notices to Airman (NOTAMS) C) Convective SIGMETs
C) Convective SIGMETs
1277 Which kind of wind shear is most hazardous? A) Clear air turbulence wind shear B) Inversion wind shear C) Convective wind shear
C) Convective wind shear
1303 What weather condition can be expected with a warm from in the summer months? A) Lowering temperature with clear skies B) Clear skies with fog C) Cumulous build-ups and thunderstorms
C) Cumulous build-ups and thunderstorms
1103 What are the stages in the life cycle of a thunderstorm? A) Building Stage, anvil top stage, and cirrus stage B) Stratus stage, precipitation stage, and downdraft stage C) Cumulus stage, mature stage, and dissipating stage
C) Cumulus stage, mature stage, and dissipating stage
1090 You are planning a cross-country flight across the United States. The flight will be divided into several segments. For flight planning, time enroute fuel requirements and air circulation are essential. In which direction does the air circulate around a low in the Northern Hemisphere? A) In the Northern Hemisphere, the air in an area around a low is deflected to the left and circulates clockwise. B) In the Northern Hemisphere, the air in an area around a low is deflected to the left and circulates clockwise. C) In the Northern Hemisphere, the air in an area around a low is deflected to the right and circulates counterclockwise.
C) In the Northern Hemisphere, the air in an area around a low is deflected to the right and circulates counterclockwise.
1325 Which is a danger of a gust front associated with a thunderstorm? A) Heavy rain B) Icing conditions C) Low level wind shear
C) Low level wind shear
1146 You are planning a trip for the following day. Which weather chart would be most appropriate for determining frontal locations along your intended route at the time of your flight? A) Weather Depiction Chart B) Surface Analysis Chart C) Significant Weather Prognostic Chart
C) Significant Weather Prognostic Chart
1078 You are obtaining a weather briefing for a cross-country flight. The briefer has given you a convective outlook for your route of flight. What are the three levels of convective activity in the convective outlook? A) Light, Moderate, and Severe B) Light, Moderate, and Extreme C) Slight, Moderate, and High
C) Slight, Moderate, and High
1522 Weather reports indicate that there is a high moisture content, higher than normal lapse rate, and turbulent conditions. Which type of weather would you expect? A) Fog and stratus clouds along your route of flight B) Restricted visibility and stable air C) Thunderstorm activity and unstable air
C) Thunderstorm activity and unstable air
1349 There is a squall line along the route on your cross-country flight. What do you expect? A) Descend and fly below squall lines B) Low visibility and stable precipitation C) Turbulence and heavy rain
C) Turbulence and heavy rain
446 Which provides a graphic display of both VFR and IFR weather? A) Surface Weather Map B) Radar Summary Chart C) Weather Depiction Chart
C) Weather Depiction Chart
1494 What is the forecast in the following TAF? KALO 201121Z 2012/2112 VRB05KT P6SM BNK110 A) Wind speed is variable throughout the valid period in the TAF B) Wind speed and direction are variable throughout the valid period in the TAF C) Wind direction is variable throughout the valid period in the TAF
C) Wind direction is variable throughout the valid period in the TAF
445 The Surface Analysis Chart depicts A) frontal locations and expected movement, pressure centers, cloud coverage, and obstructions to vision at the time of chart transmission B) actual pressure distribution, frontal systems, cloud heights and coverage, temperature, dewpoint, and wind at the time shown on the chart. C) actual frontal positions, pressure patterns, temperature, dewpoint, wind, weather, and obstructions to vision at the valid time of the chart
C) actual frontal positions, pressure patterns, temperature, dewpoint, wind, weather, and obstructions to vision at the valid time of the chart
447 When total sky cover is few or scattered, the height shown on the Weather Depiction Chart is the A) base of the highest layer B) top of the lowest layer C) base of the lowest layer
C) base of the lowest layer
462 Turbulence that is encountered above 15000 feet AGL not associated with cumuliform cloudiness, including thunderstorms, should be reported as A) severe turbulence B) convective turbulence C) clear air turbulence
C) clear air turbulence
1245 For smooth air operations on a warm, sunny day, and scattered cumulus clouds are above your altitude, you should A) descend to a lower altitude for smoother air B) fly the airplane to an altitude that puts the aircraft at the base of the cumulus clouds C) climb to a higher altitude that is above the cumulus clouds
C) climb to a higher altitude that is above the cumulus clouds
1259 When flying over a mountain range with turbulence, mountain waves cause downdrafts on the A) upwind side of the mountain range for hundreds of miles B) downwind and upwind of the mountain range for hundreds of miles C) crest and downwind of the mountain range for hundreds of miles
C) crest and downwind of the mountain range for hundreds of miles
441 On a Surface Analysis Chart, the solid lines that depict sea level pressure patterns are called A) isogons B) millibars C) isobars
C) isobars
461 When turbulence causes changes in altitude and/or attitude, but aircraft control remains positive, that should be reported as A) severe B) light C) moderate
C) moderate
1305 The standard temperature lapse rate below the tropopause A) increases as altitude increases B) decreases as altitude increases C) remains the same at all altitudes
C) remains the same at all altitudes
1260 Large changes in attitude and altitude, changes in airspeed, and momentary loss of control is reported as A) light turbulence B) moderate turbulence C) severe turbulence
C) severe turbulence
1354 While on a flight, you encounter stratiform clouds and light drizzle. You can probably expect A) wind shear B) turbulence C) stable air
C) stable air
1205 The National Convective Weather Forecast provides forecasts for A) the United States and Mexico B) the United States, Mexico, and Canada C) the United States only
C) the United States only
1218 As approach an airport to land, you observe convective clouds over the airport with virga below. This could indicate A) thunderstorm B) heavy rain showers C) the presence of a microburst
C) the presence of a microburst
1370 Advection fog in coastal areas is most commonly caused by A) cold, moist air passing over a warm surface B) warm, dry air passing over a cool surface C) warm, moist air passing over a cool surface
C) warm, moist air passing over a cool surface `
