1
Q
WAFS
A
World Area Forecast System
2
Q
WAFC
A
World Area Forecast Centres
3
Q
RSMC
A
Regional Specialised Meteorological Centres
4
Q
MWO
A
Meteorological Watch Offices
5
Q
VAAC
A
Volcanic Ash Advisory Centre
6
Q
TCAC
A
Tropical Cyclone Advisory Centres
7
Q
SADIS
A
SAtellite DIStribution
8
Q
WMO
A
World Meteorological Organisation
9
Q
ISA
A
ICAO Standard Atmosphere
10
Q
GSNS
A
Global Satellite Navigation Systems
11
Q
MSL
A
Mean Sea Level
12
Q
DA
A
Density Altitude
13
Q
GND
A
Ground
14
Q
ELEV
A
Elevation
15
Q
QNH
A
MSL pressure
16
Q
QFE
A
GND pressure
17
Q
HGT
A
Height
18
Q
ALT
A
Altitude
19
Q
FL
A
Flight Level
20
Q
T.HGT
A
True Height
21
Q
T.ALT
A
True Altitude
22
Q
MSA
A
Minimum Safe Altitude or Minimum Sector Altitude
23
Q
MRVA
A
Minimum Radar Vectoring Altitude
24
Q
OAT
A
Outside Air Temperature
25
PFJ
Polar Front Jet
26
CAT
Clear Air Turbulence
27
Ci
Cirrus
28
Cs
Cirrostratus
29
Cc
Cirrocumulus
30
As
Altostratus
31
Ac
Altocumulus
32
Cu
Cumulus
33
Cb
Cumulonimbus
34
Ns
Nimbostratus
35
St
Stratus
36
Sc
Stratocumulus
37
FEW
Few (clouds)
38
SCT
Scattered (clouds)
39
BKN
Broken (clouds)
40
OVC
Overcast (clouds)
41
CAVOK
Clouds and visibility okay
42
NSC
No significant cloud
43
VV***
(sky obscured) Vertical Visibility
| ***=number of ft
44
ISOL
Isolated (clouds)
45
LYR
Layer (of clouds)
46
EMBD
Embedded in a layer (cumulonimbus embedded in other clouds)
47
DZ
Drizzle
48
FZDZ
Freezing Drizzle
49
SG
Snow Grains
50
IC
Ice Crystals
51
RA
Rain
52
FZRA
Freezing Rain
53
PL
Ice Pellets
54
SN
Snow
55
GS
Snow Pellets
56
GR
Hail
57
SH
Shower
Abbreviations
flashcards
Decks in class (7)
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