Definitions of the PFM and AFM Codes
Wind Char - 12HR Max Sustained Wind Speed
LT - Light (< 8 mph)
GN - Gentle (8 - 14 mph)
BZ - Breezy (15 - 22 mph)
WY - Windy (23 - 30 mph)
VW - Very Windy (31 - 39 mph)
SD - Strong/Damaging (>40 mph)
Sky Cover
CL - Clear/Sunny (0 - 6%)
FW - Mostly Clear/Mostly Sunny (7 - 31%)
SC - Partly Cloudy/Partly Sunny (32 - 69%)
BK - Mostly Cloudy (70 - 94%)
OV - Cloudy (95 - 100%)
Precipitation Type
RAIN - Rain
RAIN SHWRS - Rain Showers
SPRINKLES - Sprinkles
TSTMS - Thunderstorms
DRIZZLE - Drizzle
SNOW - Snow
SNOWSHWRS - Snow Showers
FLURRIES - Snow Flurries
SLEET - Ice Pellets
FRZNG RAIN - Freezing Rain
FRZNG DRZL - Freezing Drizzle
Probability of Precipitation Codes
Stratiform or Convective
S Slight Chance (20%)
C Chance (30%-50%)
L Likely (60%-70%)
O Occasional/Periods of (80%-100%)
D Definite (80%-100%)
Convective Only
IS - Isolated (20%)
SC - Scattered (30%-50%)
NM - Numerous (60%-70%)
EX - Expected (80%-100%)
OBVIS
F - Fog
PF - Patchy Fog
F+ - Dense Fog
PF+ - Patchy Dense Fog
H - Haze
BS - Blowing Snow
K - Smoke
BD - Blowing Dust
VA - Volcanic Ash
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