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2 – me t eorology
METAR
or SPECI
Location Date/
Time
AUTO Wind
CAVOK
TEMP/
DEWPT
QNH Supplementary
Information
RMK
VIS RVR WX Cloud
METAR/SPECI (aerodromeweather report) format
TAF or
TAFAMD or
TAFCOR or
PROV TAF
signi cant
changes
tomean
conditions
signi cant
variations
frommean
conditions
signi cant
low level
turbulence
probability
of TS or poor
visibility
Location
IssueTime
NIL
Validity
Validity
CNL
Wind
Wind
Wind
Time
Finish
Time
Start
Time
Finish
Time
Finish
Time
Start
Time
Start
Time
FM or
BECMG
PROB%
(30 or 40%)
INTER or
TEMPO
PROB%
(30 or 40%)
CAVOK
VIS WX CLD
RMK
FM
TEMP
QNH
CAVOK
VIS WX CLD
VIS
VIS
WX
CLD
CLD
CLD
TILL
BLW............FT
TS
Fog,Mist, Dust, Smoke or Sand
MODTURB or
MOD/SEVTURB or
SEVTURB
only used
for TS
not used
for fog
TAF (aerodrome forecast) format
aerodrome forecasts and reports