W SERVICES D

From which primary source should you obtain information regarding the weather expected to exist at your destination at your estimated time of arrival?. Weather depiction chart. Surface analysis chart. Terminal aerodrome forecast.

What type of weather can be expected in the red scalloped area near area 9?. 2/8 to 6/8 coverage, occasional embedded thunderstorms, tops at FL330. 1/8 to 4/8 coverage, occasional embedded thunderstorms, maximum tops at 51,000 feet MSL. Isolated embedded cumulonimbus with tops at FL330.

What is the forecast wind at 18007 in the following TAF? KMEM 0917407 1818 OO000KT 1/25M RAFC OVC005=. calm. Unknown. Not recorded.

Pilots on IFR flights seeking ATC in-flight weather avoidance assistance should keep in mind that. ATC radar limitations and, frequency congestion may limit the controllers a capability to provide this service. circumnavigating severe weather can only be accommodated in the en route areas away from terminals because of congestion. ATC Narrow Band Radar does not provide the controller with weather intensity capability.

What wind direction and speed is represented by the entry 9900+00 for 9,000 feet, on an Winds and Temperatures Aloft Forecast (FB)?. Light and variable; less than 5 knots. Vortex winds exceeding 200 knots. Light and variable; less than 10 knots.

When does the National Weather Service release an Aviation Notification Watch Message (SAW)?. At 0000 (UTC). At 0000 and 1200 (UTC). Unscheduled and issued as required.

Which meteorological conditions are depicted by a prognostic chart?. Conditions existing at the time of the observation. Interpretation of weather conditions for geographical areas between reporting stations. Conditions forecast to exist at a specific time shown on the chart.

When the visibility is greater than 6 SM on a TAF it is expressed as. 6PSM. P6SM. 6SMP.

(Refer to Figure 261.) The precipitation type forecast to occur over southern ND (area C) is. Freezing rain. Freezing drizzle. Moderate snow.

Interpret this PIREP. MRB UA/OV MRB/TM1430/FL060/TPC182/SK BEN 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.

(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?. 260% magnetic at 93 knots; ISA +7%C. 280% true at 113 knots; ISA +3“C. 280% true at 113 knots; ISA +3“C.

(Refer to Figure 7.) What information is indicated right 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 MSI.

A station is forecasting wind and temperature aloft at FL 390 to be 300% at 200 knots; temperature -54%. How would this data be encoded in the FB?. 300054. 809954. 309954.

(Refer to Figure 19.) The next issuance of the 12-hour Significant Weather Prognostic Chart will become valid at. 0000z. 1200z. 1800z.

Which weather forecast describes prospects for an area coverage of both severe and general thunderstorms during the following 24 hours?. Terminal Aerodrome Forecast. Convective Outlook. Radar Summary Chart.

When does the National Weather Service release an Aviation Notification Watch Message (SAW)?. At 0000 (UTC). 0000 and 1200 (UTC). Unscheduled and issued as required.

AIRMETs are issued on a scheduled basis every. 15 minutes after the hour only. 15 minutes until the AIRMET is canceled. six hours.

Which response most closely interprets the following PIREP? UA/OV OKC 063064/TM 1522/FL080/TP C172/TA M04/WV 245040/TB LGT/RM IN CLR. 64 nautical miles on the 63” radial from Oklahoma City VOR at 1522 UTC, flight level 8,000 ft. Type of aircraft is a Cessna 172. Reported by a Cessna 172, turbulence and light rime icing in climb to 8,000 ft. 63 nautical miles on the 64% radial from Oklahoma City, thunderstorm and light C rain at 1522 UTC.

What significant sky condition is reported in this METAR observation? METAR KBNA 12502 33018KT 290V360 1/25M R31/2700FT +SN BLSNFG VVO08 00/M03 A2991 RMK RERAE42SNB42. Runway 31 ceiling is 2700 feet. Sky is obscured with vertical visibility of 800 feet. Measured ceiling is 300 feet overcast.

A ceiling is defined as the height of the. highest layer of clouds aloft that covers over 6/10 of the sky. 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.

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 (FB)? When the wind. is less than 5 knots. is less than 10 knots. at the altitude is within 1,500 feet of the station elevation.

(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.

(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. 260% true at 110 knots; ISA +5%C. 275% true at 97 knots; ISA +4%.

When is the temperature at one of the forecast altitudes omitted at a specific location or station in the Winds and Temperatures Aloft Forecast (FB)?. When the temperature is standard for that altitude. For the 3,000-foot altitude (level) or when the level is within 2,500 feet of station elevation. Only when the winds are omitted for that altitude (level).

(Refer to Figure 7.) What weather conditions are indicated within area 3?. Moderate CAT turbulence at FL370. Severe turbulence from FL300 up to FL370. Reported moderate turbulence from FL300 up to FL370.

(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.

Consider this AIRMET that includes your route of flight: 27 | DEWS WA 211445 AIRMET IFR...OK TX FROM END TO TXK TO HOU TO LEB TO END CIG BELOW Questions Remaining: 41 010. CONDS ENDG 15-18. there will be icing in clouds below 1,000 feet MSL. visibility will be less than 3 SM until 157. the area will have low ceilings before 152.

(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 FL 270?. 265% true; 100 knots;: ISA +3"C. 270% true; 110 knots; ISA +5” C. 260% magnetic; 100 knots; ISA -5%C.

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, extreme. Trace, light, moderate, severe. Few, light, moderate, severe.

(Refer to Figure 7.) What weather conditions are depicted within the area indicated by number 6?. Occasional embedded cumulonimbus clouds, bases below 25,000 feet MSL, tops 45,000 feet MSL. Embedded cumulonimbus clouds, less than 1/8 coverage. Embedded thunderstorm activity from the surface up to FL450.

(Refer to Figure 260.) What is the valid period for the aviation surface forecast CONUS?. 1355 UTC. 1655 UTC. 1600 UTC.

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 6,500 feet) METAR KMDW 1218562 AUTO 32005KT 1 1/25M +RABR OVC007 17/16 A2980. 5,180 feet. 5,800 feet. 5,880 feet.

What is the time frame for the validity of Low-Level Significant Weather Prognostic Charts?. 12 to 24 hours in the future. From 3 hours before to 3 hours after the time on the chart. Up to 48 hours in the future.

Which meteorological condition is issued in the form of a SIGMET (WS)?. Widespread sand or dust storms affecting at least 3,000 square miles or an area deemed to have a significant effect on the safety of aircraft operations. Moderate icing. Sustained winds of 30 knots or greater at the surface.

Which is true regarding the use of airborne weather avoidance radar for the recognition of certain weather conditions?. The radarscope 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 266.) Precipitation throughout Washington and Oregon is predominantly. Light rain and rain showers. Heavy rain showers. Freezing rain.

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 3,800 feet) SPECI KOKC 22282 28024G36KT 3/45M BKN008 OVC020 28/23 A3000. 500 feet. 1,700 feet. 2,500 feet.

The Surface Analysis Chart depicts. actual pressure systems, frontal locations, cloud tops, and precipitation at the time shown on the chart. 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, dew point, wind, c weather, and obstructions to vision at the valid time of the chart.

(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.

(Refer to Figure 7.) The area indicated by arrow 3 indicates. light turbulence below 34,000 feet. isolated embedded cumulonimbus clouds with bases below FL180 and tops at FL340. severe turbulence at and below 37,000 feet.

"VRB" wind entry in a TAF will be indicated when the wind is. 3 knots or less. 6 knots or less. 9 knots or less.

Which values are used for winds aloft forecasts?. Magnetic direction and knots. Magnetic direction and mph. True direction and knots.

What is meant by the entry in the remarks section of METAR surface report for KBNA? METAR KBNA 2112507 33018KT 290V260 1/258M R31/2700FT +SN BLSNFG VV008 00/M03 A2991 RMK RAE42SNB42. The wind is variable from 290% to 360. Heavy blowing snow and fog on runway 31. Rain ended 42 past the hour, snow began 42 past the hour.

The body of a terminal aerodrome forecast (TAF) covers a geographical proximity within a. 5 nautical mile radius of the center of an airport. 5 statute mile radius from the center of an airport runway complex. 5 to 10 statute mile radius from the center of an airport runway complex.

Which weather product is a concise statement of the expected weather for an airport 's runway complex?. Area forecast. Weather depiction charts. Terminal aerodrome forecast.

What information is provided by a Convective Outlook (AC)?. It describes areas of probable severe icing and severe or extreme turbulence during the next 24 hours. It provides prospects of both general and severe thunderstorm activity during the following 24 hours. It indicates areas of probable convective turbulence and the extent of instability in the upper atmosphere (above 500 MB).

Decode the excerpt from the Winds and Temperature Aloft Forecast (FB) for OKC at 39,000 feet. FT 3000 6000 39000 OKC 830558. Wind 130% at 50 knots, temperature -58"%C. Wind 330% at 105 knots, temperature -58%. Wind 330% at 205 knots, temperature -58%C.

What flight planning information can a pilot derive from constant pressure charts?. Clear air turbulence and icing conditions. Levels of widespread cloud coverage. Winds and temperatures aloft.

The Low-Level Significant Weather Prognostic Chart depicts weather conditions. that are forecast to exist at a valid time shown on the chart. 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.

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.

A pilot planning to depart at 11002 on an IFR flight is particularly concerned about the hazard of icing. What sources reflect the most accurate information on icing conditions (current and forecast) at the time of departure?. Low-Level Significant Weather Prognostic Chart, and the Area Forecast. The Area Forecast, and the Freezing Level Chart. Pilot weather reports (PIREPs), AIRMETs, and SIGMETSs.

(Refer to Figure 268.) What forecast weather conditions 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.

The use of airborne weather avoidance radar. provides no assurance of avoiding instrument weather conditions. assures the avoidance of hail. allows you to fly safely between echoes.

What conclusion(s) can be drawn from a 500-millibar Constant Pressure Chart for a planned flight at FL 180?. Winds aloft at FL180 generally flow across the height contours. Observed temperature, wind, and temperature/dew point 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.

(Refer to Figure 7.) What weather conditions are depicted within area 1?. Moderate turbulence from below FL250 up to FL360. Moderate to severe turbulence at FL310. Severe CAT up to FL360.

What does a Convective Outlook (AC) describe for a following 24 hour period?. Areas of slight, moderate, or high risk of severe thunderstorms. A severe weather watch bulletin. When forecast conditions are expected to continue beyond the valid period.

(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.

(Refer to Figure 263.) The ceilings over southern Texas (area C) are forecast to be. SCT. BKN. OVC.

What is the maximum forecast period for AIRMETs?. Two hours. Four hours. Six hours.

(Refer to Figure 262.) The surface winds over eastern Washington State (area A) are forecast to be. 10 knots gusting to 30 knots. 20 knots gusting to 30 knots. 30 knots.

What is the wind shear forecast in the following TAF? TAF KCVG 2310517 231212 12012KT 4SM —-—RA BR OVC008 WS005/27050KT TEMPO 1719 1/28M -RA FG FM1930 O9012KT 1SM -DZ BR VVO03 BECMG 2021 5SM HZ=. 5 feet AGL from 270%. 50 feet AGL from 270% at 50 KT. 500 feet AGL from 270%.

(Refer to Figure 7.) What weather conditions are depicted around area 7?. Occasional cumulonimbus, 4/8 to 6/8 sky coverage, bases below 25,000 feet MSL tops 53,000 feet MSL. Moderate or severe turbulence up to FL530. Occasional cumulonimbus, 5/8 to 8/8 sky coverage, tropopause height 53,000 % EZ) feet MSL.

Occasional cumulonimbus, 5/8 to 8/8 sky coverage, tropopause height 53,000 % EZ) feet MSL. 45,000 feet MSL. 45,000 meters. 450,000 feet MSL.

(Refer to Figure 5.) On a Low-Level Significant Weather Prognostic Chart, this symbol represents. Freezing rain,. Mixed precipitation. Snow showers.

(Refer to Figure 269.) The cloud coverage around area B on the Aviation Cloud Forecast is forecast to be. Bases at 6,000 feet, tops at 7,000. BRKN tops at 7,000 feet. OvC at 7,000 feet.

SIGMETs are issued as a warning of weather conditions potentially hazardous. particularly to light aircraft. to all aircraft. only to light aircraft operations.

(Refer to Figure 7.) The symbol on the U.S. High-Level Significant Weather Prognostic Chart indicated by number 5 represents the. height of the tropopause. maximum height of CAT (FL530). height of the jet stream (53,000 feet MSL).

A prognostic chart depicts the conditions. existing at the surface during the past 6 hours. which presently exist from the 1,000-millibar through the 700-millibar level. forecast to exist at a specific time in the future.