NODC CODES USED WITH F049 DATA

 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

 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
ZERO)
      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)