User`s guide

User's Guide ______________________________________________________________________
48 __________________________________________________________________ M210455EN-B
Table 8 SYNOP Codes Used by PWD11A (Number Codes
Not Seen on QMD101M)
PW Code Textual Representation
00 Clear
04
Haze or smoke (vis ≥ 1 km)
05 Haze or smoke (vis < 1 km)
10 Mist
20 Fog
1)
21 Precipitation
1)
23 Rain (not freezing)
1)
24 Snow
1)
25 Freezing rain or freezing drizzle
30 Fog
2)
31 Fog or ice fog, in patches
2)
32 Fog or ice fog, has become thinner during past hour
2)
33 Fog or ice fog, no appreciable change during past hour
2)
34 Fog or ice fog, has begun or become thicker during past hour
2)
40 Precipitation
41 Precipitation, slight or moderate
42 Precipitation, heavy
50 Drizzle
51 Drizzle, not freezing, light
52 Drizzle, not freezing, moderate
53 Drizzle, not freezing, heavy
54 Drizzle, freezing, light
55 Drizzle, freezing, moderate
56 Drizzle, freezing, heavy
60 Rain
61 Rain, light
62 Rain, moderate
63 Rain, heavy
64 Rain, freezing, light
65 Rain, freezing, moderate
66 Rain, freezing, heavy
67 Rain (or drizzle) and snow, light
68 Rain (or drizzle) and snow, moderate or heavy
70 Snow
71 Snow, light
72 Snow, moderate
73 Snow, heavy
74 Ice pellets, light
75 Ice pellets, moderate
76 Ice pellets, heavy
80 Showers or intermittent precipitation
81 Rain showers, light
82 Rain showers, moderate
83 Rain showers, heavy
84 Rain showers, violent
85 Snow showers, light
86 Snow showers, moderate
87 Snow showers, heavy
90 Thunderstorm