Weather Products Quiz CPL
Given the following METAR, what is the maximum altitude to maintain VFR below the ceiling in Class E airspace below 10,000 feet MSL?
METAR KHOB 151250Z 17006KT 4SM BKN025 OVC040 13/11 A2998
3,500 feet AGL.
3,900 feet AGL.
2,000 feet AGL.
(Refer to figure 52) Just before starting your engine at Rancho Murieta (point 6 - KRIU), you observe rain showers moving in earlier than expected. How can you get an update on the weather?
Tune in to the Sacramento Airport ATIS on 118.325.
Contact Rancho Murieta Radio on 255.4 or call Flight Service at 1-800-WX-BRIEF from your phone.
Contact Rancho Murieta Radio on 122.2 or call Flight Service at 1-800-WX-BRIEF from your phone.
(Refer to Figure 71.) What is the next valid time for the 12-hour significant weather prognostic chart?
0600Z.
1200Z.
1800Z.
What time are thunderstorms forecast to arrive at KMIA?
KMIA 301503Z 3015/3118 21012KT P6SM SCT035 SCT250
FM301800 23010KT P6SM BKN250
TEMPO 3020/3023 −SHRA SCT050
FM310200 16015G23KT 4SM −TSRA BR OVC040CB
FM311400 18015G23KT P6SM BKN250
FM301800 23010KT P6SM BKN250
TEMPO 3020/3023 −SHRA SCT050
FM310200 16015G23KT 4SM −TSRA BR OVC040CB
FM311400 18015G23KT P6SM BKN250
1800Z on the 30th.
After 0200Z on the 31st.
Between 2000 and 2300 on the 30th.
What type of information is included with inflight aviation weather advisories?
pilot reports and areas of low visibilities.
general flying conditions for enroute aircraft.
hazardous weather forecasts for enroute aircraft.
The visibility entry in a Terminal Aerodrome Forecast (TAF) of P6SM implies that the prevailing visibility is expected to be greater than
6 nautical miles.
6 kilometers.
6 statute miles.
Where are the overcast layers as reported in this PIREP?
HYI UA/OV HYI310005/TM 2105/FL013/TP BE20/SK BKN010-BKN030/OVC041-OVC044/OVC050-OVC100/TA 05/RM DURD
The overcast layers are from 1,300'-4,400', and then 5,000' with tops at 10,000'.
The overcast layers are from 1,000'-3,000', then 4,100'-4,400', and then 5,000' with tops at 10,000'.
The overcast layers are from 4,100'-4,400', and then 5,000' with tops at 10,000'.
What are the conditions described by the following SIGMET?
WSUS05 KKCI 171616
SLCO WS 171616
SIGMET OSCAR 1 VALID UNTIL 172016
SIGMET
CO NM
FROM 50SSE DEN TO TCC TO 20NE ABQ TO 20SSW DBL TO 50SSE DEN
OCNL SEV TURB BLW FL180. DUE TO STG LOW LVL WNDS. RPTD BY ACFT. CONDS CONTG BYD 2016Z.
Moderate chop repeated by aircraft.
From 50 south, southeast of Denver, there are thunderstorm cumulonimbus clouds to 20 northeast of Albuquerque.
Occasional severe turbulence below FL180 due to strong low level winds.
Which is true regarding the use of airborne weather-avoidance radar for the recognition of certain weather conditions?
The radar scope provides no assurance of avoiding instrument weather conditions.
The avoidance of hail is assured when flying between and just clear of the most intense echoes.
The clear area between intense echoes indicates that visual sighting of storms can be maintained when flying between the echoes.
(Refer to figure 70) What weather conditions are forecast for the state of Pennsylvania (area 5) on the Surface Prognostic Chart?
Rain is likely, with a 55% or greater chance for measurable rain.
There is a 25% chance of rain.
Thunderstorms.
(Refer to figure 71) The Low-Level Significant Weather Prog at 00Z indicates that the eastern half of Texas will likely experience:
ceilings less than 1,000 feet, and/or visibility less than 3 miles.
clear sky and visibility greater than 6 miles.
ceilings 1,000 to 3,000 feet and visibility 3 to 5 miles.
When weather information indicates that abnormally high barometric pressure exists, or will be above _____ inches of mercury, flight operations will not be authorized contrary to the requirements published in NOTAMs.
30.50
31.00
32.00
(Refer to figure 71) The Low-Level Significant Weather Prog at 12Z indicates that South Carolina (area 10) will likely experience:
ceilings 1,000 to 3,000 feet, and/or visibility 3 to 5 miles.
ceilings less than 1,000 feet, visibility less than 3 miles.
Freezing level at the surface.
(Refer to figure 71) At what altitude does the 12-Hour Low-Level Significant Weather Prog forecast the freezing level to be at across central Oregon at 00Z?
8,000' MSL.
800' MSL.
4,000' MSL
(Refer to figure 70) What weather conditions are forecast for the southernmost region of Indiana (area 3) on the Surface Prognostic Chart?
A chance of thunderstorms, with a probability between 25% and 55% that they will develop in the area.
A greater than 55% chance that severe thunderstorms will develop.
Ice storm.
What are the sky conditions as reported in this PIREP?
PIA UA/OV KPIA130003/TM 1354/FL025/TP CRJ2/SK BKN025 TOP055 OVC075 TOP095/TA 07/ RM DURC RY13
Broken layer from 250' to 550' and an overcast base layer at 750' with tops at 950'.
There's a broken cloud layer at both 2,500' and 5,500', overcast layers at 7,500' and 9,500'.
Broken cloud layer at 2,500' with tops at 5,500' and an overcast layer at 7,500' with tops at 9,500'.
What can be inferred about the precipitation forecast in the following line of this TAF?
FM051400 22012KT P6SM BKN070 PROB40 0514/0518 3SM +TSRA
There's a 40% chance of moderate thunderstorms with heavy rain with 3 statute miles visibility.
There's a 40% chance of heavy thunderstorms and rain with 3 statute miles visibility.
There's a 40% chance of thunderstorms with heavy rain with 3 statute miles visibility.
What wind is forecast for STL at 9,000 feet?
DATA BASED ON 151200Z VALID 151800Z FOR USE 1700-2100Z TEMPS NEG ABV 24000
|
FT |
3000 |
6000 |
9000 |
12000 |
18000 |
24000 |
30000 |
34000 |
39000 |
|
STL |
2113 |
2325+07 |
2332+02 |
2339-04 |
2356-16 |
2373-27 |
239440 |
730649 |
731960 |
230° true at 32 knots.
230° magnetic at 25 knots.
230° true at 25 knots.
The visibility reported by a pilot is:
UA/OV OKC 063064/TM 1522/FL080/TP C172/SK 090 OVC/WX FV03/TA -04/WV 245040/TB LGT/RM IN CLR.
9 SM.
3 SM.
4 SM.
(Refer to figure 71) The 12-hour U.S. Low-Level Significant Weather Surface Prog Chart at 00Z indicates that central California and Nevada can expect:
Moderate or greater turbulence from 18,000' MSL to 24,000' MSL.
Severe turbulence below 24,000' MSL.
Thunderstorms with severe turbulence.
(Refer to figure 69) What is the purpose of the WPC Surface Prog Chart?
A forecast of surface pressure systems, fronts and precipitation.
A graphical overview of the current location of fronts and precipitation.
To forecast the location of hazardous weather conditions for pilots.
(Refer to figure 69) What type of weather system extends from eastern Colorado into Kansas (above Area 2)?
A low-pressure system with a series of ridges extending north and south out of it.
A low-pressure system with a cold front extending to the east.
A low-pressure system with a stationary front leading out to the east.
The National Convective Weather Forecast (NCWF) is designed to be used in conjunction with the report and forecast information in which other product?
Terminal Aerodrome (TAF).
Convective SIGMET.
Convective Outlook.
What is the flight visibility observed by the pilot in the following PIREP?
EAU UA/OV EAU/ TM 1550/FL013/TP C650/SK OVC003/WX FV02SM BR/TA M01/RM TOPS 050
3 SM.
Flight visibility is not reported.
2 SM.
While flying a cross-country, you encounter turbulence that causes changes in aircraft attitude (but the aircraft remains in control) and the occupants feel definite strain against seatbelts. How should you report this to ATC or Flight Service?
Light Turbulence.
Heavy Turbulence.
Moderate Turbulence.
Refer to the excerpt from the following METAR report:
KTUS 08004KT 4SM HZ 26/04 A2995 RMK RAE36.
At approximately what altitude AGL should bases of convective-type cumuliform clouds be expected?
4,400 feet.
8,800 feet.
17,600 feet.
During preflight preparation, weather report forecasts can best be obtained by means of contacting the
weather forecast office (WFO)
pilot’s automatic telephone answering service.
air route traffic control center.
The most current en route and destination weather information for an instrument flight should be obtained from
Flight service.
ATIS broadcast.
NOTAM’s.
The Hazardous In-flight Weather Advisory Service (HIWAS) is a broadcast service over selected VORs that provides:
SIGMETs and AIRMET at 15 minutes and 45 minutes past the hour for the first hour after issuance.
continuous broadcast of in-flight weather advisories.
SIGMETs, CONVECTIVE SIGMETs and AIRMETs at 15 minutes and 45 minutes past the hour.
The Telephone Information Briefing Service (TIBS) provided by AFSSs includes
weather information service on a common frequency (122.0 mHz).
recorded weather briefing service for the local area, usually within 50 miles and route forecasts.
continuous recording of meteorological and/or aeronautical information available by telephone.
The remarks section of the Aviation Routine Weather Report (METAR) contains the following coded information. What does it mean?
RMK FZDZB42 WSHFT 2230 FROPA
Freezing drizzle with cloud bases below 4,200 feet.
Freezing drizzle below 4,200 feet and wind shear
Wind shift at 2230Z due to frontal passage.
What is meant by the Special METAR weather observation for KBOI?
SPECI KBOI 091854Z 32005KT 1 1/2SM RA BR OVC007 17/16 A2990 RMK RAB12
Rain and fog obscuring two-tenths of the sky; rain began at 1912Z.
Rain and mist obstructing visibility; rain began at 1812Z.
Rain and overcast at 1200 feet AGL.
The station originating the following METAR observation has a field elevation of 3,500 feet MSL. If the sky cover is one continuous layer, what is the thickness of the cloud layer? (Top of overcast reported at 7,500 feet MSL).
METAR KHOB 151250Z 17006KT 4SM OVC005 13/11 A2998
2,500 feet
3 ,500 feet.
4,000 feet.
What significant cloud coverage is reported by this pilot report?
KMOB UA/OV 15NW MOB 1340Z/SK OVC 025/045 OVCO9O
Three (3) separate overcast layers exist with bases at 250. 7,500 and 9,000 feet.
The top of the lower overcast is 2,500 feet. base and the top of second overcast layer is 4,500 and 9,000 feet, respectively.
The base of the second overcast layer is 2.500 feet; top of second overcast layer is 7,500 feet: base of third layer is 9,000 feet
To best determine observed weather conditions between weather reporting stations, the pilot should refer to
pilot reports.
Area Forecasts.
prognostic charts.
What does the contraction VRB in the Terminal Aerodrome Forecast (TAF) mean?
Wind speed is variable throughout the period.
Cloud base is variable.
Wind direction is variable.
Which statement pertaining to the following Terminal Aerodrome Forecast (TAF) is true?
KMEM 091135Z 0915 15005KT 5SM HZ BKN060 FM1600 VRB04KT P6SM SKC
WND in the valid period implies surface winds are forecast to be greater than 5 KTS
wind direction is from 160° at 4 KTS and reported visibility is 6 status miles.
SKC in the valid period indicates no significant weather and sky clear.
In the following METAR/TAF for HOU, what is the ceiling and visibility forecast on the 7th day of the month at 0600Z?
KHOU 061734Z 0618/0718 16014G22KT P6SM VCSH BKN018 BKN035 FM070100 17010KT P6SM BKN015 OVC025 FM070500 17008KT 4SM BR SCT008 OVC012 FM071000 18005KT 3SM BR OVC007
FM071500 23008KT 5SM BR VCSH SCT008 OVC015
Visibility 6 miles with a broken ceiling at 15,000 feet MSL.
4 nautical miles of visibility and an overcast ceiling at 700 feet MSL.
4 statute miles visibility and an overcast ceiling at 1,200 feet AGL.
Terminal Aerodrome Forecasts (TAF) are issued how many times a day and cover what period of time?
Four times daily and are usually valid for a 24 hour period.
Six times daily and are usually valid for a 24 hour period including a 4-hour categorical outlook.
Four times daily and are valid for 12 hours including a 6-hour categorical outlook.
To best determine general forecast weather conditions covering a flight information region, the pilot should refer to
Graphical Forecasts for Aviation (GFA).
Weather Depiction Charts.
Satellite Maps.
Aviation Area Forecasts (FAs) for the contiguous U.S. are used in conjunction with inflight aviation weather advisories to interpolate
temperatures and winds aloft.
conditions at airports for which no TAFs are issued.
radar precipitation and intensity levels.
In-flight Aviation Weather Advisories include what type of information?
Forecasts for potentially hazardous flying conditions for en route aircraft.
State and geographic areas with reported ceilings and visibility’s below VFR minimums.
IFR conditions, turbulence, and icing within a valid period for the listed states.
What type of Inflight Weather Advisories provides an en route pilot with information regarding the possibility of moderate icing, moderate turbulence, winds of 30 knots or more at the surface and extensive mountain obscurement?
Convective SIGMETs and SIGMETs.
Severe Weather Forecast Alerts (AWW) and SIGMETs.
AIRMETs and Center Weather Advisories (CWA).
What single reference contains information regarding expected a volcanic eruption, that is occurring or expected to occur?
In-Flight Weather Advisories.
Terminal Area Forecasts (TAF).
Weather Depiction Chart.
The National Aviation Weather Center prepares FA’s for the contiguous U.S.
twice each day.
three times a day.
every 6 hours unless significant changes in weather require it more often.
SIGMET's are issued as a warning of weather conditions which are hazardous
to all aircraft.
particularly to heavy aircraft.
particularly to light airplanes.
Which correctly describes the purpose of Convective SIGMET's (WST)?
They consist of an hourly observation of tornadoes, significant thunderstorm activity, and large hailstone activity.
They contain both an observation and a forecast of all thunderstorm and hailstone activity. The forecast is valid for 1 hour only.
They consist of either an observation and a forecast or just a forecast for tornadoes, significant thunderstorm activity, or hail greater than or equal to 3/4 inch in diameter.
What values are used for Winds Aloft Forecasts?
True direction and MPH.
True direction and knots.
Magnetic direction and knots.
On a Surface Analysis Chart, the solid lines that depict sea level pressure patterns are called
isobars.
isogons.
millibars.
Dashed lines on a Surface Analysis Chart, if depicted, indicate that the pressure gradient is
weak.
strong.
unstable.
Which chart provides a ready means of locating observed frontal positions and pressure centers?
Surface Analysis Chart.
Constant Pressure Analysis Chart.
Weather Depiction Chart.
On a Surface Analysis Chart, close spacing of the isobars indicates
weak pressure gradient.
strong pressure gradient.
strong temperature gradient.
The Surface Analysis Chart depicts
frontal locations and expected movement, pressure centers, cloud coverage, and obstructions to vision at, the time of chart transmission.
actual frontal positions, pressure patterns, temperature, dewpoint, wind, weather, and obstructions to vision at the valid time of the chart.
actual pressure distribution, frontal systems, cloud heights and coverage, temperature, dewpoint, and wind at the time shown on the chart.
Which provides a graphic display of both VFR and IFR weather?
Surface Weather Map.
Radar Summary Chart.
Weather Depiction Chart.
When total sky cover is few or scattered, the height shown on the Weather Depiction Chart is the
top of the lowest layer.
base of the lowest layer.
base of the highest layer.
What information is provided by the Radar Summary Chart that is not shown on other weather charts?
Lines and cells of hazardous thunderstorms.
Ceilings and precipitation between reporting stations.
Areas of cloud cover and icing levels within the clouds.
Which weather chart depicts conditions forecast to exist at a specific time in the future?
Freezing Level Chart.
Weather Depiction Chart.
12-Hour Significant Weather Prognostication Chart.
What weather phenomenon is implied within an area enclosed by small scalloped lines on the U.S. High-Level Significant Weather Prognostic Chart?
Cirriform clouds, light to moderate turbulence, and icing.
Cumulonimbus clouds, icing, and moderate or greater turbulence.
Cumuliform or standing lenticular clouds, moderate to severe turbulence, and icing.
The U.S. High-Level Significant Weather Prognostic Chart forecasts significant weather for what airspace?
18,000 feet to 45,000 feet.
24,000 feet to 45,000 feet.
24,000 feet to 63,000 feet.
What is the upper limit of the Low Level Significant Weather Prognostic Chart?
30,000 feet.
24,000 feet.
18,000 feet.
Hatching on a Constant Pressure Analysis Chart indicates
hurricane eye.
windspeed 70 knots to 110 knots.
windspeed 110 knots to 150 knots.
What flight planning information can a pilot derive from Constant Pressure Analysis Charts?
Winds and temperatures aloft.
Clear air turbulence and icing conditions.
Frontal systems and obstructions to vision aloft.
From which of the following can the observed temperature, wind, and temperature/dewpoint spread be determined at a specified altitude?
Stability Charts.
Winds Aloft Forecasts.
Constant Pressure Analysis Charts.
The minimum vertical wind shear value critical for probable moderate or greater turbulence is
4 knots per 1,000 feet.
6 knots per 1,000 feet.
8 knots per 1,000 feet.
Weather Advisory Broadcasts, including Severe Weather Forecast Alerts (AWW), Convective SIGMETs, and SIGMETs, are provided by
ARTCCs on all frequencies, except emergency, when any part of the area described is within 150 miles of the airspace under their jurisdiction.
AFSSs on 122.2 MHz and adjacent VORs, when any part of the area described is within 200 miles of the airspace under their jurisdiction.
selected low-frequency and/or VOR navigational aids.
What is the thickness of the cloud layer given a field elevation of 1,500 feet MSL with tops of the overcast at 7,000 feet MSL?
METAR KHOB 151250Z 17006KT 4SM OVC010 13/11 A2998
4,500 feet.
6,500 feet.
5,500 feet.
What is the bottom of the lowest overcast layer in the following pilot report?
KMOB UA /OV APE230010/TM 1515/FL085/TP BE20/ SK BKN065/WX FV03SM HZ FU/TQ 20/TB LGT
There is not a defined ceiling in this report.
There is a layer reported at 8,500 feet.
There is a broken layer at 6,500 feet.
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