MET-BNC-MODULE16

1. What type of precipitation might occur at 1700 UTC? MKJP 160430Z 160606 36010KT 9999 FEW025 BECMG 1315 14020G34KT FEW015CB SCT025 PROB30 TEMPO 1720 6000 +SHRA SCT010 BKN015CB BECMG 2224 34010KT FEW025=




2. What is the lowest forecast visibility that can be expected during an approach into Madrid at 2300 UTC ? TAF LEMD 281200Z 281812 13005KT CAVOK TEMPO 1821 8000 SCT020 SCT030 BECMG 2123 21005KT 9999 SCT015 BKN080 PROB40 TEMPO 2306 6000 SCT008




3. What is the most likely forecast lowest cloud base that can be expected during an approach to Madrid into 2300 UTC ? TAF LEMD 281200Z 281812 13005KT CAVOK TEMPO 1821 8000 SCT020 SCT030 BECMG 2123 21005KT 9999 SCT015 BKN080 PROB40 TEMPO 2306 6000 SCT008




4. What is the lowest visibility that may be expected during an approach into Dhahran at ETA 0600 UTC ? TAF OEDR 280000Z 280110 VRB08KT CAVOK BECMG 0103 7000 TEMPO 0410 28014G24KT 4000 SA=




5. What is the lowest visibility forecast for Bangkok at ETA 1400 UTC ? TAF VTBD 271800Z 280024 VRB05KT 1200 BR TEMPO 0002 4000 BECMG 0205 9999 SCT015 BKN100 TEMPO 1118 04010G20KT 5000 TSRA SCT009 BKN014 BKN018CB BECMG 2024 6000=




6. What is the height of the lowest cloud forecast for Bangkok at ETA 1400 UTC ? TAF VTBD 271800Z 280024 VRB05KT 1200 BR TEMPO 0002 4000 BECMG 0205 9999 SCT015 BKN100 TEMPO 1118 04010G20KT 5000 TSRA SCT009 BKN014 BKN018CB BECMG 2024 6000=




7. What surface wind is forecast for ETA 1700 UTC at Kingston? MKJP 160430Z 160606 36010KT 9999 FEW025CB BECMG1315 14020G34KT FEW015CB SCT025 PROB30 TEMPO 1720 6000 +SHRA SCT010 BKN015CB BECMG 2301 34010KT FEW025=




8. What is the lowest probable cloud base forecast for ETA 1700 UTC at Kingston ? TAF MKJP 160000Z 160606 36010KT 9999 FEW025 BECMG 1315 14020G34KT FEW015CB SCT025 PROB30 TEMPO 1520 6000 +SHRA SCT010 BKN015CB BECMG 2301 34010KT FEW025=




9. What is the lowest cloud base forecast for arrival at Geneva (ETA 1200 UTC)? TAF LSGG 020900Z 021019 18007KT 9999 SCT020 BKN100 BECMG 1114 8000 RA SCT010 OVC020 PROB30 TEMPO 1018 VRB10G25KT TSRA SCT005 BKN015CB=




10. What is the lowest visibility forecast for approach into Geneva (ETA 1200 UTC)? TAF LSGG 020900Z 021019 18007KT 9999 SCT020 BKN100 BECMG 1114 8000 RA SCT010 OVC020 PROB30 TEMPO 1018 VRB10G25KT TSRA SCT005 BKN015CB=




11. What type of meteorological hazard to safe flight is most likely to be experienced during the final approach to Geneva (ETA 1200 UTC) ? TAF LSGG 020900Z 021019 18007KT 9999 SCT020 BKN100 BECMG 1114 8000 RA SCT010 OVC020 PROB30 TEMPO 1018 VRB10G25KT TSRA SCT005 BKN015CB=




12. Before landing, an altimeter set to QFE indicates




13. On the Significant Weather Chart, we see the following indications: 100 SCT CU ----- 060 The forecast charts for FL 050 and FL 100 both indicate a wind from 320°/15 kt. In flight at FL 055 over an area of plains (flat country) during the validity period of the Significant Weather Chart, we observe moderate turbulence. This turbulence is caused by




14. Relative humidity at a given temperature is the relation between




15. In mid-latitudes, the tops of Cumulus are often limited by




16. Which of the following phenomena is least likely to lead to the formation of a Cumulonimbus with thunderstorm ?




17. From what type of cloud does drizzle fall ?




18. The lowest cloud type observed in Stratus fractus, and there is moderate continuous rain. The area of the system in which you are at this moment is




19. For a VFR aircraft, the conditions in which it could encounter severe airframe icing are:




20. The most dangerous icing conditions are encountered in




21. Mountain waves should be expected




22. When a front has to cross a chain of mountains, its activity




23. On a Significant Weather Chart, we see the following for the area where a VFR-flight will take place: 100 BKN CU SC ___ 023 If the flight is planned at FL 85, we can estimate that




24. The TAF weather messages are




25. In a METAR message, BR and HZ mean respectively:




26. The temperature lapse rate of the standard atmosphere in the troposphere is:




27. A wind of 20 knots corresponds to an approximate speed of




28. You are flying in the northern hemisphere at 2000 FT over a flat country area. An anticyclone is ahead of you and a depression is behind you. The wind affecting you, will be




29. When flying at 5000 feet in the northern hemisphere over plains (flat country) with an anticyclone on the left and a depression on the right, the wind will be




30. When fog is reported, the visibility is below




31. What type of clouds are associated with rain showers ?




32. What type of clouds are associated with snow showers ?




33. An occlusion has the characteristics of a warm front when:




34. After a prolonged VMC descent in very cold air, you penetrate a humid air mass. What type of icing will you encounter?




35. An aircraft flies into supercooled rain in an area with a temperature below 0°C. The type of icing it will most likely encounter is




36. In a METAR message, the wind group is 23010MPS. This means:




37. Refer to the following TAF message. LFxx 180800Z 180918 22020KT 6000 SCT015 SCT080 BECMG 1214 24025KT 2000 RA BKN009 OVC070= At 1400 UTC, the lowest cloud base will be




38. In the mid-latitudes the stratosphere extends on an average from




39. At the top of orographic waves, in mountainous regions, the cloud most likely to be encountered is




40. About ten identical clouds are in the sky, well isolated from one another, dense, with well defined contours, developing vertically in a cauliflower shape. The side of these clouds lit by the sun is bright white. Their base, relatively dark, is essentially horizontal and at FL 30, and their tops at FL 150. These clouds are




41. The formation of morning fog before sunrise is possible if




42. An air mass acquires its basic properties




43. Clouds in patches, sheets or grey or whitish layers made up of elements resembling large pebbles or rollers, together or not, and always clear of the ground are:




44. In the weather pattern behind a cold front, the visibility outside precipitation is




45. A METAR message is valid




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