Appendix C ________________________________________________ NWS and WMO Code Tables
APPENDIX C
NWS AND WMO CODE TABLES
VAISALA _______________________________________________________________________ 117
Table 28
Internal Weather Types and Supported NWS Codes
Internal Weather Types
NO PRECIPITATION
PRECIPITATION
DRIZZLE
RAIN
SNOW
SLEET
FREEZING DRIZZLE
FREEZING RAIN
NWS codes are used with intensity indicator '+' (plus) for heavy
intensity, '-' (minus) for light, and none (space) for moderate. For
example, 'R+' means heavy rain.
NWS Codes
C
P
L
R
S
IP
ZL
ZR