|
$ |
maintenance check indicator |
- |
light intensity |
|
+ |
heavy intensity |
/ |
indicator that visual range data follows; separator between temperature
and dew point data. |
|
ACC |
altocumulus castellanus |
ACFT MSHP |
aircraft mishap |
|
ACSL |
altocumulus standing lenticular cloud |
AO1 |
automated station without precipitation discriminator |
|
AO2 |
automated station with precipitation discriminator |
ALP |
airport location point |
|
APCH |
approach |
APRNT |
apparent |
|
APRX |
approximately |
ATCT |
airport traffic control tower |
|
AUTO |
fully automated report |
B |
began |
|
BC |
patches |
BKN |
broken |
|
BL |
blowing |
BR |
mist |
|
C |
center (with reference to runway designation) |
CA |
cloud-air lightning |
|
CB |
cumulonimbus cloud |
CBMAM |
cumulonimbus mammatus cloud |
|
CC |
cloud-cloud lightning |
CCSL |
cirrocumulus standing lenticular cloud |
|
cd |
candela |
CG |
cloud-ground lightning |
|
CHI |
cloud-height indicator |
CHINO |
sky condition at secondary location not available |
|
CIG |
ceiling |
CLR |
clear |
|
CONS |
continuous |
COR |
correction to a previously disseminated observation |
|
DOC |
Department of Commerce |
DOD |
Department of Defense |
|
DOT |
Department of Transportation |
DR |
low drifting |
|
DS |
duststorm |
DSIPTG |
dissipating |
|
DSNT |
distant |
DU |
widespread dust |
|
|
DVR |
dispatch visual range |
|
DZ |
drizzle |
E |
east, ended, estimated ceiling (SAO) |
|
FAA |
Federal Aviation Administration |
FC |
funnel cloud |
|
FEW |
few clouds |
FG |
fog |
|
FIBI |
filed but impracticable to transmit |
FIRST |
first observation after a break in coverage at manual station |
|
FMH-1 |
Federal Meteorological Handbook No.1, Surface Weather Observations
& Reports (METAR) |
FMH2 |
Federal Meteorological Handbook No.2, Surface Synoptic Codes |
|
FRQ |
frequent |
FROPA |
frontal passage |
|
FT |
feet |
FU |
smoke |
|
FZ |
freezing |
FZRANO |
freezing rain sensor not available |
|
G |
gust |
GR |
hail |
|
GS |
small hail and/or snow pellets |
HLSTO |
HLSTO hailstone |
|
HZ |
haze |
IC |
ice crystals, in-cloud lightning |
|
ICAO |
International Civil Aviation Organization |
INCRG |
increasing |
|
INTMT |
intermittent |
KT |
KNOTS |
|
L |
left (with reference to runway designation) |
LAST |
last observation before a break in coverage at a manual station |
|
LST |
Local Standard Time |
LTG |
lightning |
|
LWR |
lower |
M |
minus, less than |
|
max |
maximum |
METAR |
routine weather report provided at fixed intervals |
|
MI |
shallow |
min |
minimum |
|
MOV |
moved/moving/movement |
MT |
mountains |
|
N |
north |
N/A |
not applicable |
|
NCDC |
National Climatic Data Center |
NE |
northeast |
|
NOS |
National Ocean Survey |
NOSPECI |
no SPECI reports are taken at the station |
|
NOTAM |
Notice to Airmen |
NW |
northwest |
|
NWS |
National Weather Service |
OCNL |
occasional |
|
OFCM |
Office of the Federal Coordinator for Meteorology |
OHD |
overhead |
|
OVC |
overcast |
OVR |
over |
|
P |
indicates greater than the highest reportable value |
PCPN |
precipitation |
|
PL |
ice pellets |
PK WND |
peak wind |
|
PNO |
precipitation amount not available |
PO |
dust/sand whirls (dust devils) |
|
PRES |
pressure |
PR |
partial |
|
PRESFR |
pressure falling rapidly |
PRESRR |
pressure rising rapidly |
|
PWINO |
precipitation identifier sensor not available |
PY |
spray |
|
R |
right (with reference to runway designation), runway |
RA |
rain |
|
RTD |
Routine Delayed (late) observation |
RV |
reportable value |
|
RVR |
Runway Visual Range |
RVRNO |
RVR system values not available |
|
RY |
runway |
S |
snow, south |
|
SA |
sand |
SCSL |
stratocumulus standing lenticular cloud |
|
SCT |
scattered |
SE |
southeast |
|
SFC |
surface |
SG |
snow grains |
|
SH |
shower(s) |
SKC |
sky clear |
|
SLP |
sea-level pressure |
SLPNO |
sea-level pressure not available |
|
SM |
statute miles |
SN |
snow |
|
SNINCR |
snow increasing rapidly |
SP |
snow pellets |
|
SPECI |
an unscheduled report taken when certain criteria have been met |
SQ |
squalls |
|
SS |
sandstorm |
STN |
station |
|
SW |
snow shower, southwest |
TCU |
towering cumulus |
|
TS |
thunderstorm |
TSNO |
thunderstorm information not available |
|
TWR |
tower |
UNKN |
unknown |
|
UP |
unknown precipitation |
UTC |
Coordinated Universal Time |
|
V |
variable |
VA |
volcanic ash |
|
VC |
in the vicinity |
VIS |
visibility |
|
VISNO |
visibility at secondary location not available |
VR |
visual range |
|
VRB |
variable |
VV |
vertical visibility |
|
W |
west |
WG/SO |
Working Group for Surface Observations |
|
WMO |
World Meteorological Organization |
WND |
wind |
|
WSHFT |
wind shift |
Z |
zulu, i.e., Coordinated Universal Time |