Field Content
|
start in Column
|
end in Column
|
no. of chars
|
Field Format
|
Default
|
Comments
|
IMMA
|
sequence
number
|
1
|
6
|
6
|
i6
|
|
internal
sequence number, may be new numbered
|
|
blank
|
7
|
8
|
2
|
2x
|
|
blank
|
|
format
type
|
9
|
10
|
2
|
i2
|
01
|
|
|
country
code
|
11
|
12
|
2
|
i2
|
|
according
to IMMPC-format: 00-40, may also be blank
|
C1
|
logbook
type
|
13
|
14
|
2
|
i2
|
|
00-05,21,22,40,41,60-62
|
ID
|
sheet
number
|
15
|
20
|
6
|
i6
|
|
1-250000
|
ID
|
method
of SST measurement
|
21
|
21
|
1
|
i1
|
|
blank=bucket,
"9"=not bucket
|
SI
|
year
|
22
|
25
|
4
|
i4
|
|
year,
4-digits
|
YR
|
month of
the year
|
26
|
27
|
2
|
i2
|
|
month,
2-digits
|
MO
|
day of
month
|
28
|
29
|
2
|
i2
|
|
day,
2-digits
|
DY
|
blank
|
30
|
30
|
1
|
1x
|
|
blank
|
|
time,
hour (UTC)
|
31
|
32
|
2
|
i2
|
|
time of
observation (UTC), 00-23
|
HR
|
octant of
globe
|
33
|
33
|
1
|
i1
|
|
0,1,2,3, 5,6,7,8
|
LAT, LON
|
latitude
|
34
|
36
|
3
|
i3
|
|
000-900,
in 1/10 degree, received from M1 card type (10°Field, 1°Field)
|
LAT
|
longitude
|
37
|
39
|
3
|
i3
|
|
000-900,
in 1/10 degree with hundrets digit omitted, received from M1 card type
|
LON
|
wind
index
|
40
|
40
|
1
|
i1
|
|
blank:no
information, "+":Wind measured, "-":Wind estimated
|
WI
|
direction
of wind
|
41
|
42
|
2
|
i2
|
|
00-32,
99, true direction in 32 point scale
|
D
|
wind
speed
|
43
|
45
|
3
|
i3
|
|
calculated
from Beaufort equivalent scale (BFT wind table)
|
(W
2nd
choice)
|
Beaufort
wind force
|
46
|
47
|
2
|
i2
|
|
Beaufort-scale,
00-12
|
W
|
blank
|
48
|
48
|
1
|
A1
|
0
|
blank
|
|
wind sea
index
|
49
|
49
|
1
|
A1
|
|
blank:no
wind wave, "+":full windwave information, "P":periode
missing, "H":hight missing
|
|
wind sea
direction
|
50
|
51
|
2
|
i2
|
|
00-32,
99, true direction in 32 point scale
|
WD
|
blank
|
52
|
52
|
1
|
1x
|
|
blank
|
|
wind sea
force
|
53
|
53
|
1
|
i1
|
|
according
to Petersen scale, 0-9 (wave tables)
|
|
blank
|
54
|
55
|
2
|
2x
|
|
blank
|
|
swell
wave index
|
56
|
56
|
1
|
A1
|
|
blank:no
information, "+":full swell wave information, "P":period
missing, "H":hight missing, "R": only direction available
|
|
direction
of swell wave
|
57
|
58
|
2
|
i2
|
|
00-32,
99, true direction in 32 point scale
|
SD
|
blank
|
59
|
59
|
1
|
1x
|
|
blank
|
|
swell
wave force
|
60
|
60
|
1
|
i1
|
|
according
to Petersen scale, 0-9 (wave tables)
|
|
blank
|
61
|
62
|
2
|
2x
|
|
blank
|
|
horizontal
visibility
|
63
|
64
|
2
|
i2
|
|
WMO code
table 4377, 90-99
|
VV
|
present
weather
|
65
|
66
|
2
|
i2
|
|
00-99, according to Kopenhagen code
tables, the meaning of the code differs in some cases from the WMO code table
4677
|
|
past
weather
|
67
|
67
|
1
|
i1
|
|
WMO code
table 4561, 0-9
|
W1
|
total
cloud cover
|
68
|
69
|
2
|
i2
|
|
in
tenths, 00-10
|
N
|
cloud
cover of lower clouds
|
70
|
71
|
2
|
i2
|
|
in
tenths, 00-10
|
NH
|
blank
|
72
|
72
|
1
|
1x
|
|
blank
|
|
type of
lower clouds
|
73
|
73
|
1
|
i1
|
|
WMO code
table 0513
|
CL
|
type of
middle high clouds
|
74
|
74
|
1
|
i1
|
|
WMO code
table 0515
|
CM
|
type of
higher clouds
|
75
|
75
|
1
|
i1
|
|
WMO code
table 0509
|
CH
|
air
pressure
|
76
|
80
|
5
|
i5
|
|
in 1/10
mb, reduzed to mean sea level, ca. 9400 - 10550
|
SLP
|
characteristic
of pressure tendency
|
81
|
81
|
1
|
i1
|
|
WMO code
table 0200
|
A
|
amount of
pressure change
|
82
|
84
|
3
|
i3
|
|
in 1/10
mb, 000-999
|
PPP
|
air
temperature index
|
85
|
85
|
1
|
A1
|
|
blank:no
air temperature information, "+":positive value, "-":negative
value
|
AT
|
air
temperature
|
86
|
88
|
3
|
i3
|
|
in 1/10
degree Celsius, 000 - ca. 380
|
AT
|
wet bulb
temperature index
|
89
|
89
|
1
|
A1
|
|
blank:no
wet bulb temperature information, "+":positive value,
"-":negative value, "E":iced bulb measured wet bulb temperature
|
WBT
|
wet bulb
temperature
|
90
|
92
|
3
|
i3
|
|
in 1/10
degree celsius, 000 - ca.380
|
WBT
|
dew point
temperature index
|
93
|
93
|
1
|
A1
|
|
blank:no
dew point temperature information, "+":positive value,
"-":negative value
|
DPT
|
dew point
temperature
|
94
|
96
|
3
|
i3
|
|
in 1/10
degree celsius, 000 - ca.380
|
DPT
|
relative
humidity
|
97
|
99
|
3
|
i3
|
|
in
percentage, calculated from temperature values, ca 035 - 100
|
(DPT
2nd
choice)
|
sea
surface temperature index
|
100
|
100
|
1
|
A1
|
|
blank:no
sea surface temperature information, "+":positive value,
"-":negative value
|
SST
|
sea
surface temperature
|
101
|
103
|
3
|
i3
|
|
in 1/10
degree celsius, 000 - ca.380
|
SST
|
air - sea
temperature index
|
104
|
104
|
1
|
A1
|
|
"+":air
temperature higher than sea temperature, "-"=air temperature lower
than sea temperature
|
(AT or SST
2nd
choice)
|
air - sea
temperature difference
|
105
|
107
|
3
|
i3
|
|
calculated
by subtraction of sea surface temperature from air temperature
|
(AT or SST
2nd
choice)
|
true
direction of resultant ship displacement
|
108
|
108
|
1
|
i1
|
|
WMO code
table 0700
|
DS
|
ship's
average speed
|
109
|
109
|
1
|
i1
|
|
WMO code
table 4451
|
VS
|
precipitation
|
110
|
112
|
3
|
i3
|
|
precipitation
during the last 12 hours in 1/10 mm, blank:no precipitation information (most
cases), "0 " ===>
no precipitation, "000" ===> trace, "001" ===>
0.1mm, a.s.o.
|
RRR, TR
|
Beaufort
weather, column1
|
113
|
113
|
1
|
i1
|
|
according
to BFT weather table
|
|
Beaufort
weather, column2
|
114
|
114
|
1
|
i1
|
|
according
to BFT weather table
|
|
Beaufort
weather, column3
|
115
|
115
|
1
|
i1
|
|
according
to BFT weather table
|
|
Beaufort
weather, column4
|
116
|
116
|
1
|
i1
|
|
according
to BFT weather table
|
|
Beaufort
weather, column5
|
117
|
117
|
1
|
i1
|
|
according
to BFT weather table
|
|
Beaufort
weather, column6
|
118
|
118
|
1
|
i1
|
|
according
to BFT weather table
|
|
Beaufort
weather, column7
|
119
|
119
|
1
|
i1
|
|
according
to BFT weather table
|
|
processing
index
|
120
|
120
|
1
|
i1
|
|
internal
number, 1-3
|
|