Appendix A _________________________________________NWS and WMO Codes Used in FD12P
VAISALA _______________________________________________________________________ 145
Code Weather type
80 SHOWERS OR INTERMITTENT PRECIPITATION
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
89 Showers of hail, with or without rain or rain and snow mixed, not
associated with thunder (from WMO 4677)
Table 34 WMO Code Table 4678. Codes Used by FD12P
Qualifier Weather Phenomena
Intensity
1
Descriptor
2
Precipitation
3
Obscuration
4
-Light
Moderate
(no qualifier)
+Heavy
BC Patches
SH Shower(s)
FZ Freezing
DZ Drizzle
RA Rain
SN Snow
SG Snow Grains
IC Ice Crystals
PL Ice Pellets
GR Hail
BR Mist
FG Fog
DU Widespread dust
HZ Haze