4202
A ceiling is defined as the height of the lowest layer of clouds that contributed to the overall overcast. lowest layer of clouds or obscuring phenomena aloft that is reported as broken or overcast. highest layer of clouds or obscuring phenomena aloft that covers over 6/10 of the sky.
4196
The station originating the following weather report has a field elevation of 1,300 feet MSL. From the bottom of the overcast cloud layer, what is its thickness? (tops of OVC are reported at 3800 feet)
SPECI KOKC 2228Z 28024G36KT 3/4SM BKN008 OVC020 28/23 A3000 500 feet. 1,700 feet. 2,500 feet.
4203
The reporting station originating this Aviation Routine Weather Report has a field elevation of 620 feet. If the reported sky cover is one continuous layer, what is its thickness? (tops of OVC are reported at 6500 feet)
METAR KMDW 121856Z AUTO 32005KT 1 1/2SM +RABR OVC007 17/16 A2980 5,880 feet. 5,180 feet 5,800 feet.
4205
What is meant by the entry in the remarks section of METAR surface report for KBNA?
METAR KBNA 211250Z 33018KT 290V260 1/2SM R31/2700FT +SN
BLSNFG VV008 00/M03 A2991 RMK RAE42SNB42 Heavy blowing snow and fog on runway 31. The wind is variable from 290° to 360. Rain ended 42 past the hour, snow began 42 past the hour.
4182
What significant sky condition is reported in this METAR observation?
METAR KBNA 1250Z 33018KT 290V360 1/2SM R31/2700FT +SN
BLSNFG VV008 00/M03 A2991 RMK RAE42SNB42 Runway 31 ceiling is 2700 feet. Sky is obscured with vertical visibility of 800 feet. Measured ceiling is 300 feet overcast.
4170
The body of a Terminal Aerodrome Forecast (TAF) covers a geographical proximity within a 15 to 20 mile radius of the center of an airport. 10 to 15 mile radius of the center of an airport. 5 to 10 mile radius of the center of an airport.
4170-1
Which weather product is a concise statement of the expected weather for an airport's runway complex? Area Forecast (FA) Weather depiction charts Terminal aerodrome forecast (TAF).
4177.
A “VRB” wind entry in a Terminal Aerodrome Forecast (TAF) will be indicated when the wind is 3 knots or less. 6 knots or less. 9 knots or less.
4178.
When the visibility is greater than 6 SM on a TAF it is expressed as 6PSM P6SM 6SMP.
4180. What is the forecast wind at 1800Z in the following TAF?
KMEM 091740Z 1818 00000KT 1/2SM RAFG OVC005= Calm. Unknown. Not recorded.
4228
From which primary source should you obtain information regarding the weather expected to exist at your destination at your estimated time of arrival?
Radar Summary and Weather Depiction Chart. Weather Depiction Chart. Terminal Aerodrome Forecast.
4204
What is the wind shear forecast in the following TAF?
TAF
KCVG 231051Z 231212 12012KT 4SM -RA BR OVC008
WS005/27050KT TEMPO 1719 1/2SM -RA FG
FM1930 09012KT 1SM -DZ BR VV003 BECMG 2021 5SM HZ 5 feet AGL from 270° at 50 KT. 50 feet AGL from 270° at 50 KT. 500 feet AGL from 270° at 50 KT.
4179
To best determine general forecast weather conditions covering a flight information region, the pilot should refer to Graphical forecast for aviation (GFA) Weather depiction charts Satellite maps.
4259
(refer to figure 260) what is the valid period for the aviation surface forecast CONUS? 1355 UTC 1655 UTC 1600 UTC.
4260
(refer to figure 261) the precipitation type forecast to occur over southern ND (area c) is Freezing rain Freezing drizzle Moderate snow.
4268
(refer to figure 260) the surface visibility over the western part of washington State (area A) forecast at +3 hr is predominantly 0 - 1 SM 3 - 5 SM 1 - 3 SM.
4271
(refer to figure 262) the weather conditions causing limited visibility along the coastal waters of southern California (area B) are forecast to be moderate to heavy rain showers partial fog fog.
4273
(refer to sigure 262) the surface winds over eastern Washington State (area A) are forecasted to be 10 knots gusting to 30 knots 20 knots gusting to 30 knots 30 knots .
4281
(refer to figure 263) the ceiling over southern texas (area C) are forecasted to be SCT BKN OVC.
4285
(refer to figure 266) precipitation throughout Washington and Oregon are predominantly Light rain and rain showers heavy rain showers freezing rain .
4290
(refer to figure 268) what forecast weather condition should you expect along the coast of California (area C)? fog and visibility 0 - 1 SM fog and visibility 3 - 5 SM low overcast layer and IFR conditions .
4299
(refer to figure 269) the cloud coverage around area B on the Aviation Cloud is forecast to be bases at 6,000' tops at 7,000' BRKN tops at 7,000' OVC at 7,000' .
4092
Which is true regarding the use of airborne weather-avoidance radar for the recognition of certain weather conditions? The avoidance of hail is assured when flying between and just clear of the most intense echoes. The radarscope provides no assurance of avoiding instrument weather conditions. The clear area between intense echoes indicates that visual sighting of storms can be maintained when flying between the echoes.
4468
Pilots on IFR flights seeking ATC in flight weather avoidance assistance should keep in mind that ATC Narrow Band Radar does not provide the controller with weather intensity capability. circumnavigating severe weather can only be accommodated in the en route areas away from terminals because of congestion. ATC radar limitations and, frequency congestion may limit the controllers capability to provide this service.
4468-1
if you encounter in-flight icing and ATC asks you to report your conditions, what are the official reportable icing values that you are expected to use light, moderate, severe and extreme trace, light, moderate and severe few, light, moderate, severe.
4220
Interpret this PIREP.
MRB UA/OV MRB/TM1430/FL060/TPC182/SK BKN BL/WX RA/TB MDT. Ceiling 6,000 feet intermittently below moderate thundershowers; turbulence increasing westward. FL 60,000, intermittently below clouds; moderate rain, turbulence increasing with the wind. At 6,000 feet; between layers; moderate turbulence; moderate rain.
4198
Which response most closely interprets the following PIREP?
UA/OV OKC 063064/TM 1522/FL080/TP C172/TA -04/WV 245040/TB LGT/RM IN CLR. 64 nautical miles on the 63 degree radial from Oklahoma City VOR at 1522 UTC, flight level 8,000 ft. Type of aircraft is a Cessna 172. 63 nautical miles on the 64 degree radial from Oklahoma City, thunderstorm and light rain at 1522 UTC. Reported by a Cessna 172, turbulence and light rime icing in climb to 8,000 ft.
4191
Which values are used for winds aloft forecasts? True direction and knots. Magnetic direction and MPH. Magnetic direction and knots.
4172
What wind direction and speed is represented by the entry 9900+00 for 9,000 feet, on an Winds and Temperatures Aloft Forecast (FD)? Light and variable; less than 5 knots. Vortex winds exceeding 200 knots. Light and variable; less than 10 knots.
4188
When is the temperature at one of the forecast altitudes omitted at a specific location or station in the Winds and Temperatures Aloft Forecast (FD)? Only when the winds are omitted for that altitude (level). For the 3,000 foot altitude (level) or when the level is within 2,500 feet of station elevation. When the temperature is standard for that altitude.
4189
When is the wind group at one of the forecast altitudes omitted at a specific location or station in the Winds and Temperatures Aloft Forecast (FD)? When the wind is less than 10 knots. at the altitude is within 1,500 feet of the station elevation. is less than 5 knots.
4190
Decode the excerpt from the Winds and Temperature Aloft Forecast (FD) for OKC at 39,000 feet.
FT 3000 6000 39000
OKC 830558
Wind 330° at 205 knots, temperature -58 °C. Wind 330° at 105 knots, temperature -58 °C. Wind 130° at 50 knots, temperature -58 °C.
4192
(Refer to figure 2.) What approximate wind direction, speed, and temperature (relative to ISA) should a pilot expect when planning for a flight over PSB at FL 270? 280° true at 113 knots; ISA +3 °C. 255° true at 93 knots; ISA +6 °C. 60° magnetic at 93 knots; ISA +7 °C.
4193
(refer to figure 2) what approximate wind direction, speed, and temperature (relative to isa) should a pilot expect when planning for a flight over ALB at FL 270 270° magnetic at 97 knots; ISA -4°C 270° true at 110 knots; ISA +5°C 275° true at 97 knots; ISA +4°C.
4194
(Refer to figure 2) What approximate wind direction, speed, and temperature (relative to ISA) should a pilot expect when planning for a flight over EMI at FL270? 265° true; 100 knots; ISA +3°C 270° true; 110 knots; ISA +5°C 260° magnetic; 100 knots; ISA -5°C.
4199
A station is forecasting wind and temperature aloft at FL390 to be 300 at 200 knots; tempertuare -54C. How would this data be decoded in the FD? 300054 809954 309954.
4175
What does a Convective Outlook (AC) describe for a following 24 hour period?
General thunderstorm activity. A severe weather watch bulletin. When forecast conditions are expected to continue beyond the valid period.
4209
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 systems, frontal locations, cloud tops, and precipitation at the time shown on the chart.
4195
What flight planning information can a pilot derive from constant pressure charts? Levels of widespread cloud coverage. Winds and temperatures aloft. Clear air turbulence and icing conditions.
4173
What conclusion(s) can be drawn from a 500 millibar Constant Pressure Chart for a planned flight at FL 180?
Observed temperature, wind, and temperature/dewpoint spread along the proposed route can be approximated. Upper highs, lows, troughs, and ridges will be depicted by the use of lines of equal pressure. Winds aloft at FL 180 generally flow across the height contours.
4211
The Low-Level Significant Weather Prognostic Chart depicts weather conditions as they existed at the time the chart was prepared. that existed at the time shown on the chart which is about 3 hours before the chart is received. that are forecast to exist at a valid time shown on the chart.
4214
A prognostic chart depicts the conditions which presently exist from the 1,000 millibar through the 700 millibar level. forecast to exist at a specific time in the future. existing at the surface during the past 6 hours.
4212
Which meteorological conditions are depicted by a prognostic chart Conditions forecast to exist at a specific time shown on the chart. Interpretation of weather conditions for geographical areas between reporting stations. Conditions existing at the time of the observation.
4221
(Refer to figure 7.) What weather conditions are depicted around area 7? occasional cumulonimbus, 1/8 to 4/8 sky coverage, bases bellow 25,000 ft MSL tops 53,000 ft moderate or severe turbulence up to FL350 occasional cumulonimbus, 5/8 to 8/8 sky coverage, tropopause height 53,000 ft MSL.
4222
(Refer to figure 7.) what weather conditions are depicted around area 9 Existing isolated cumulonimbus clouds, bases below 25,000 ft MSL, tops 33,000 ft MSL forecast isolated cumulonimbus clouds, tops 33,000 ft MSL, with less than 1/8 coverage forecast isolated cumulonimbus clouds, tops, 33,000 ft MSL, with 1/8 to 4/8 coverage.
4223
(Refer to figure 7.) what weather conditions are depicted around area 3 moderate CAT turbulance at FL370 severe turbulance from FL300 up to FL370 reported moderate turbulance from FL 300 up to FL370 .
4224
(Refer to figure 7.) what weather conditions are depicted around area 1 moderate turbulance from below FL250 up to FL360 moderate to severe turbulance at FL310 severe CAT up to FL360.
4242
(Refer to figure 7.) the symbol on the U.S: high-level significant weather prog indicated by number 5 represents the Height of the tropopause maximum heith of CAT (FL530) height of the jet stream (53,000 ft MSL).
4245
(Refer to figure 7.) the area indicared by arrow 3 indicates light turbulance below 34,000 feet isolated embeded cumulonimbus clouds with bases below FL 180 and tops at FL340 severe turbulance at and below 37,000 feet .
4225
(Refer to figure 7.) what information is indicated rihght of number 8? the height of the tropopause in meters above sea level the maximum height of CAT the height of the tropopause in hundreds of feet above MSL.
4229
(Refer to figure 7.) what weather conditions are depicted within the area indicated by number 6? occasional embedded cumulonimbus clouds, bases below 25,000 ft MSL, tops 45,000 ft MSL embedded cumulonimbus clouds, less than 1/8 coverage embedded thunderstorm activity from the surface up to FL450.
4243
(refer to figure 20) what is the maximum wind velocity forecast in the jet stream shown on the high-level significant weather prognostic chart over the southern United States? 50 knots 140 knots 90 knots.
4243
(refer to figure 20) what is the height of the tropopause over the northwest United States 45,000' MSL 45,000' meters 450,000' MSL.
4201
(refer to figure 5) on a low-level significant weather prognostic chart this symbol represents freezing rain mixed precipitation snow showers.
4207
(refer to figure 18) the right panel of the significant weather prognostic chart provides a forecast of selected aviation weather hazards up to FL240 until what time march 18th at 0600 march 17th at 1800 march 18th at 1800.
4208
(refer to figure 19) the next issuance of the 12-hour significant weather prognostic chart will become valid at 0000z 1200z 1800z.
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