Weather

Question 1

Low to high

Answer 1

look to the sky (holding an altitude will actually take you up)

Question 2

High to low

Answer 2

look out below (opposite)

Question 3

Standard lapse (<36,000 MSL)

Answer 3

1000ft = 1” hg = 2 degrees C

Question 4

low pressure (warm) aka

Answer 4

cyclone (ccw rotation)

Question 5

high pressure (cold) aka

Answer 5

anticyclone (cw rotation)

Question 6

trophosphere altitude

Answer 6

<36,000 msl

Question 7

Standard day temperature

Answer 7

59f (15c)

Question 8

Standard day pressure

Answer 8

29.92” hg

Question 9

Dewpoint & temperature converge at

Answer 9

4.4 degress F per 1,000 feet.

Question 10

Wind shear risk

Answer 10

winds 25kts+ In (1) temperature inversions, (2) frontal zones, or (3) clear air turbulence

Question 11

Weather code (RXX/XXXFT)

Answer 11

Runway visual range

Question 12

Weather code (TS)

Answer 12

Thunderstorms

Question 13

Weather code (SH)

Answer 13

Showers

Question 14

Weather code (RA)

Answer 14

Rain

Question 15

Weather code (SQ)

Answer 15

Squall

Question 16

Weather code (SLP)

Answer 16

sea level pressure

Question 17

Weather code (A)

Answer 17

Altimeter

Question 18

Weather code (BCMG XXXX)

Answer 18

Gradual change between XX and XX zulu

Question 19

Weather code (NSW)

Answer 19

No significant weather

Question 20

Weather code (CB)

Answer 20

Cloudbase

Question 21

Weather code (PROBXX)

Answer 21

Probability XX of occurrence

Question 22

Weather code (Winds Aloft Over 100kts)

Answer 22

subtract 50 from direction, add 100 to velocity

Question 23

Weather code (9900)

Answer 23

light/variable wind

Question 24

Weather code for temperatures above 24,000

Answer 24

Always negative, so the sign is omitted

Question 25

Report coded UA

Answer 25

Pirep

Question 26

Report coded FD

Answer 26

Winds & temperatures aloft

Question 27

Report coded AC

Answer 27

Convective outlook

Question 28

Report coded AIRMET

Answer 28

Weather of [moderate] interest to all aircraft. Sierra

Question 29

Report coded SIGMET

Answer 29

Weather of significant interest in a region

Question 30

Wind Coriolis deflection (northern hemisphere)

Answer 30

right

Question 31

Wind sea breeze

Answer 31

pulls cool air in (day), Land breeze pushes it back at night

Question 32

Wind valley breeze

Answer 32

pulls cool air toward the mountain (day), Mountain breeze pushes it back at night

Question 33

Wind Snow covered mountains

Answer 33

can cool and push air down even during the day

Question 34

Wind Air flowing over a mountain

Answer 34

will decompress and therefore produce a warm downslope

Question 35

Wind in tropical air

Answer 35

Warm/Moist, Unstable

Question 36

Wind in polar air

Answer 36

Cool/Dry, Stable air

Question 37

Automated weather (Most basic)

Answer 37

AWOS-A through AWOS-3

Question 38

Automated weather (Next level)

Answer 38

ASOS AO1/AO2 and AWSS (available in most places)

Question 39

When calling FSS, State:

Answer 39

Qualifications (e.g. Pilot), VFR/IFR, N-number, Aircraft type, Departure place/time, Altitude, Route/Time enroute, Destination. Outlook/Standard/Abbreviated.

Question 40

Decoding Winds/Temperatures Aloft

Answer 40

2 digit true wind direction, 2 digit speed, temperature after +/- sign (above 24, it’s always negative)