Appendix C ________________________________________________ NWS and WMO Code Tables
Qualifier
INTENSITY
DESCRIPTOR
1
2
-
Light
BC
Moderate
SH
(No qualifier)
+ Heavy
FZ
VAISALA _______________________________________________________________________ 119
SYNOP Codes
Weather Types
81
Rain showers, light
82
Rain showers, moderate
83
Rain showers, heavy
84
Rain showers, violent ( >32 mm/h )
85
Snow showers, light
86
Snow showers, moderate
87
Snow showers, heavy
Table 30
WMO METAR Codes (Table 4678) Used by PWD22
PRECIPITATION
3
Patches
DZ
Shower(s)
RA
Freezing
SN
PL
Weather Phenomena
OBSCURATION
4
Drizzle
BR
Mist
Rain
FG
Fog
Snow
DU
Widespread dust
Ice pellets
HZ
Haze
OTHER
5