Code Tables used with Water Physics and Chemistry File (F004)

 0053   CLOUD TYPE (WMO500) 
 ----   --------------------
      0 -- CIRRUS   
      1 -- CIRROCUMULUS 
      2 -- CIRROSTRATUS 
      3 -- ALTOCUMULUS  
      4 -- ALTOSTRATUS  
      5 -- NIMBOSTRATUS 
      6 -- STRATOCUMULUS
      7 -- STRATUS  
      8 -- CUMULUS  
      9 -- CUMULONIMBUS 
      X -- CLOUD NOT VISIBLE OWING TO DARKNESS, FOG, DUSTSTORM,   
           SANDSTORM, OR OTHER ANALOGOUS PHENOMENA 

0085   NAVIGATION  
 ----   --------------------
     01 -- LORAN (MIXED OR UNSPECIFIED) 
     02 -- RADAR AND/OR FIXES   
     03 -- RAYDIST WITHOUT COMPLICATIONS
     04 -- RAYDIST WITH ERRORS, DRIFTING, ETC.  
     05 -- SATELLITE
     06 -- OMEGA
     07 -- LORAN A ONLY 
     08 -- LORAN C ONLY 
     09 -- MINI RANGER  
     10 -- HORIZONTAL SEXTANT   
     11 -- PHOTOGRAPH
     12 -- SIGHTING ON RANGES   
     13 -- LORAN C PLUS MINI RANGER 

 0094   TURBIDITY   
 ----   --------------------
      1 -- TURBIDOMETER; IN JTU 
      2 -- TRANSMISSOMETER; IN PERCENT OF LIGHT TRANSMISSION OVER

           A 10 CM. PATH 
      3 -- FLUOROMETER; SUSPENDED SOLIDS CALIBRATION
      4 -- NEPHELOMETER 
      5 -- TURBIDITY IN FTU'S   
      6 -- TRANSMISSOMETER; IN PERCENT OF LIGHT TRANSMISSION OVER 
           A 1 METER PATH
      7 -- TRANSMISSOMETER; IN PERCENT OF LIGHT TRANSMISSION OVER 
           A 25 CM. PATH 

 0104   WAVE HT (WMO1555)   
 ----   --------------------
        -- NOTE-50 ADDED TO DIRECTION FIELD (CODE 110) TO
           INDICATE HEIGHTS > 4 1/2 METERS.  
      0 -- LESS THAN 1/4 M (1 FT) OR 5 M (16 FT)
      1 -- 1/2 M (1 1/2 FT) OR 5 1/2 M (17 1/2 FT)  
      2 -- 1  M (3  FT) OR 6 M (19 FT)  
      3 -- 1 1/2 M (5  FT) OR 6 1/2 M (21 FT)   
      4 -- 2  M (6 1/2 FT) OR 7 M (22 1/2 FT)   
      5 -- 2 1/2 M (8  FT) OR 7 1/2 M (24 FT)   
      6 -- 3  M (9 1/2 FT) OR 8 M (25 1/2 FT)   
      7 -- 3 1/2 M (11  FT) OR 8 1/2 M (27 FT)  
      8 -- 4  M (13  FT) OR 9 M (29 FT) 
      9 -- 4 1/2 M (14  FT) OR 9 1/2 M (30 1/2 FT)  
      X -- HEIGHT NOT DETERMINED

 0105   CLOUD AMT (WMO2700) 
 ----   --------------------
      0 -- 0 (ZERO) 
      1 -- 1 OKTA OR LESS, BUT NOT ZERO (1/10 OR LESS, BUT NOT 0) 
      2 -- 2 OKTAS     2/10-3/10
      3 -- 3 OKTAS     4/10 
      4 -- 4 OKTAS     5/10 
      5 -- 5 OKTAS     6/10 
      6 -- 6 OKTAS     7/10-8/10
      7 -- 7 OKTAS OR MORE, BUT NOT 8 OKTAS    (9/10 OR MORE, BUT
             NOT 10/10)
      8 -- 8 OKTAS     10/10
      9 -- SKY OBSCURED, OR CLOUD AMOUNT CANNOT BE ESTIMATED

 0108   WEATHER (WMO4501)   
 ----   --------------------
      0 -- CLEAR (NO CLOUD AT ANY LEVEL)
      1 -- PARTLY CLOUDY (SCATTERED OR BROKED)  
      2 -- CONTINUOUS LAYER(S) OF CLOUD(S)  
      3 -- SANDSTORM, DUSTSTORM, OR BLOWING SNOW
      4 -- FOG, THICK DUST OR HAZE  
      5 -- DRIZZLE  
      6 -- RAIN 
      7 -- SNOW, OR RAIN AND SNOW MIXED 
      8 -- SHOWER(S)
      9 -- THUNDERSTORM(S)  

0110   WIND-WAVE DIRECTION 
 ----   --------------------
     00 -- CALM (NO WAVES-NO MOTION)
     01 -- 5 DEGREES - 14 DEGREES   
     02 -- 15 DEGREES - 24 DEGREES  
     03 -- 25 DEGREES - 34 DEGREES  
     04 -- 35 DEGREES - 44 DEGREES  
     05 -- 45 DEGREES - 54 DEGREES  
     06 -- 55 DEGREES - 64 DEGREES  
     07 -- 65 DEGREES - 74 DEGREES  
     08 -- 75 DEGREES - 84 DEGREES  
     09 -- 85 DEGREES - 94 DEGREES  
     10 -- 95 DEGREES - 104 DEGREES 
     11 -- 105 DEGREES - 114 DEGREES
     12 -- 115 DEGREES - 124 DEGREES
     13 -- 125 DEGREES - 134 DEGREES
     14 -- 135 DEGREES - 144 DEGREES
     15 -- 145 DEGREES - 154 DEGREES
     16 -- 155 DEGREES - 164 DEGREES
     17 -- 165 DEGREES - 174 DEGREES
     18 -- 175 DEGREES - 184 DEGREES
     19 -- 185 DEGREES - 194 DEGREES
     20 -- 195 DEGREES - 204 DEGREES
     21 -- 205 DEGREES - 214 DEGREES
     22 -- 215 DEGREES - 224 DEGREES
     23 -- 225 DEGREES - 234 DEGREES
     24 -- 235 DEGREES - 244 DEGREES
     25 -- 245 DEGREES - 254 DEGREES
     26 -- 255 DEGREES - 264 DEGREES
     27 -- 265 DEGREES - 274 DEGREES
     28 -- 275 DEGREES - 284 DEGREES
     29 -- 285 DEGREES - 294 DEGREES
     30 -- 295 DEGREES - 304 DEGREES
     31 -- 305 DEGREES - 314 DEGREES
     32 -- 315 DEGREES - 324 DEGREES
     33 -- 325 DEGREES - 334 DEGREES
     34 -- 335 DEGREES - 344 DEGREES
     35 -- 345 DEGREES - 354 DEGREES
     36 -- 355 DEGREES - 4 DEGREES  
     49 -- WAVES CONFUSED, DIRECTION INDETERMINATE (WAVES EQUAL   
           TO OR LESS THAN 4 3/4 METERS)
     99 -- WAVES CONFUSED, DIRECTION INDETERMINATE (WAVES GEATER
           THAN 4 3/4 METERS) WINDS VARIABLE, OR ALL DIRECTIONS   
           OR UNKNOWN 

 0157   VISIBILITY (WMO4300)
 ----   --------------------
      0 -- LESS THAN 50 M (LESS THAN 55 YARDS)  
      1 -- 50-200 M (APPROX. 55-220 YARDS)  
      2 -- 200-500 M (APPROX. 220-550 YARDS)
      3 -- 500-1000 M (APPROX. 550 YARDS-5/8 N.M.)  
      4 -- 1-2 KM (APPROX. 5/8-1 N.M.)  
      5 -- 2-4 KM (APPROX. 1-2 N.M.)
      6 -- 4-10 KM (APPROX. 2-6 N.M.)   
      7 -- 10-20 KM (APPROX. 6-12 N.M.) 
      8 -- 20-50 KM (APPROX. 12-30 N.M.)
      9 -- 50 KM OR MORE (30 N.M. OR MORE)  

0300   METHOD (004)
 ----   --------------------
      1 -- STD (SALINITY-TEMPERATURE-DEPTH RECORDER)
      2 -- XBT (EXPENDABLE BATHYTHERMOGRAPH)
      3 -- NANSEN CAST  
      4 -- MBT (MECHANICAL BATHYTHERMOGRAPH)
      5 -- XBT AND WATER SAMPLER
      6 -- MBT AND WATER SAMPLER