ICOADS Web information page (Monday, 20-Apr-2015 18:38:22 UTC):

Deutscher Wetterdienst (DWD) Marine Meteorological Archive: Compo Subset (deck 720; 1884-1914) (by ESRL)

Note: This DRAFT webpage contains fragmentary information, which the 2012 termination of ICOADS development provided insufficient time to finalize, but this directory contains available additional software/information.
  1. wave height and swell height in a 10 point scale not converted
  2. deck 215 moves swell into wave if wave is missing
coverage map hour bars
If HR was corrected then C1=DE else C1=21
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  

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Updated: Apr 20, 2015 18:38:22 UTC
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