Meteorology Flashcards
Questions and statements for the PPL Meteorology syllabus (40 cards)
Flights in the vicinity of a thunderstorm (ie. not inside or underneath) may encounter …
hail, lightning, turbulence and wind shear
Information about the occurrence or expected occurrence of visibility of less than 5000M in areas of high traffic density, passed to a pilot during flight by ATS, is called …
an AIRMET
Refer MSL ANALYSIS
The direction of the gradient wind at HOBART is closest to …
westerly
If the air is unstable, you can expect …
bumpy flying conditions and unlimited visibility
Refer MSL ANALYSIS
The QNH at PERTH is closest to …
1020 hPa
Light wind during the formation of a radiation inversion will cause the inversion to …
increase in depth
Refer GAF TAS
The forecast cloud base in Area D1 at 07Z is …
2000 ft AMSL
Refer GAF QLD-S
Flying at 4000 ft in AREA C at 0100Z, the turbulence forecast is …
moderate turbulence
Warm air is rising adiabatically above a ploughed field, surface temperature +21 degrees C.
If the dew point is +3 degrees C, the cloud base and freezing level respectively are approximately …
6000 ft and 8000 ft
Refer PCA and Forecast Area QNH for Queensland
Valid:0100 UTC - 0400 UTC 11 November 2024
Issued:0024 UTC 11 November 2024
Queensland Area QNH
Area 40:S OF YTAM/YGAY/YGYM 1023, REST 1020
Area 41:SE OF HRD/VALDA/YRLL 1022, BETWEEN YMHW/YLRE AND HRD/VALDA/YRLL 1019, REST 1016
Area 43:SE OF MIDEL/YRMD/YKID 1017, REST 1013
Area 44:1017
Area 45:SE OF YCRY/YLRA/YCKN 1014, BETWEEN CHERY/YPMP/YCOE AND YCRY/YLRA/YCKN 1011, REST 1009
The forecast Area QNH for a flight from HERVEY BAY (YHBA) to BUNDABERG (YBUD) departing at 0130Z is -
1020 HPA
Refer to the TAF below
TAF AMD YBAS 090130Z 0902/0914 02020G35KT 2500 +RA BKN030
FM090400 25010KT 9999 BKN025
TEMPO 0902/0905 3000 -TSRA BKN010 SCT050CB
INTER 0906/0914 5000 BKN010
RMK
T 18 18 17 15
Q 1003 1003 1004 1008
The amount and height of the lowest cloud forecast for ALICE SPRINGS (YBAS) at 090400Z is
broken cloud at 3000 ft AGL and for periods of less than 60 minutes, broken cloud at 1000 ft AGL
Refer to the below TAF:
TAF AMD YJAB 182214Z 1900/2006 18010G20KT 9999 LIGHT SHOWERS OF RAIN SCT030
FM191000 21015KT 9999 LIGHT SHOWERS OF RAIN SCT030 SCT050
INTER 1904/1912 23025KT 4000 SHOWERS OF RAIN SCT010
RMK
T 16 19 19 14 Q 1019 1019 1019 1021
TAF3
The forecast wind velocity at 190200Z for BRISBANE (YBBN) is -
180 degrees True at 10 kt gusting to 20 kt
An increasing headwind component reduces the maximum range you can fly on a given amount of fuel, shifting the maximum range position closer …
to the departure point
3 AM EST on 20nd December 2024, written as a six figure group as used on GAF, would be …
191700
(DDHHMM) Date, Hours, Minutes
The freezing level in the International Standard Atmosphere (ISA) is …
7500ft
Reports of wind direction in MET messages indicate the direction from …
which the wind is blowing expressed in degrees true
With regards to the below MSL analysis
A trough extends …
south along the coast of Western Australia
With regards to temperature, the inside of a Cumuliform cloud is …
warmer than the environment
The latitude at which there would be the greatest difference between the actual wind and gradient wind at 5000 ft AGL is …
5° South
A fast moving cold front may sometimes be recognised by …
broken cumulus cloud and rain showers
Refer to the below TAF
TAF AMD YXXX 082315Z 0900/0912 31016G41KT 9999 -RA SCT012 BKN030 BKN100
TEMPO 0904/0908 3000 -TSRA SCT010 SCT050CB
INTER 0908/0912 5000 -RASH BKN010
RMK
T 20 20 15 12 Q 1007 1009 1012 1012
TAF3
the earliest and latest planned arrival times respectively than can be used are …
0030Z until 1100Z on the 9th day of the month
Refer to the below TAF
TAF YXXX 182315Z 1900/1912 21008KT 9999 LIGHT SHOWERS OF RAIN SCT025 BKN045
FM190200 15015KT 9999 LIGHT SHOWERS OF RAIN SCT035
FM190800 22008KT 9999 SCT040
INTER 1900/1903 5000 SHOWERS OF RAIN SCT010 BKN020
T 13 16 15 10 Q 1030 1029 1030 1032
The height and amount of the lowest cloud forecast for an arrival at YXXX at 190900Z is
scattered at 4000 ft
Refer to SPECI:
SPECI YDEX 2021Z 33020G32 7000 SCT005 17/15 Q1018
The SPECI has a validity period of …
nil, as there is no validity period associated with the SPECI
Refer to TAF
TAF AMD YXXX 160000Z 1600/1612 18020G30KT 8000 SCT005 FEW010 BKN100
INTER 1604/1606 5000 SH+
TEMPO 1606/1608 2000 TS
RMK
T 18 19 17 16 Q 1014 1014 1015 1016
Aerodrome YXXX is outside CTA/CTR and the use of Helicopter VFR is permitted.
With an ETA at YXXX of 160745 UTC, the holding fuel you will require is …
45 minutes holding fuel is required if an alternate is not carried