SYNOP CODE
Code km m Code km m Code km m Code km Code km m
figure figure figure figure figure
00 <0.1 <100 20 2.0 2000 40 4.0 4000 60 10 80 30
01 0.1 100 21 2.1 2100 41 4.1 4100 61 11 81 35
02 0.2 200 22 2.2 2200 42 4.2 4200 62 12 82 40
03 0.3 300 23 2.3 2300 43 4.3 4300 63 13 83 45
04 0.4 400 24 2.4 2400 44 4.4 4400 64 14 84 50
05 0.5 500 25 2.5 2500 45 4.5 4500 65 15 85 55
06 0.6 600 26 2.6 2600 46 4.6 4600 66 16 86 60
07 0.7 700 27 2.7 2700 47 4.7 4700 67 17 87 65
08 0.8 800 28 2.8 2800 48 4.8 4800 68 18 88 70
09 0.9 900 29 2.9 2900 49 4.9 4900 69 19 89 >70
10 1.0 1000 30 3.0 3000 50 5.0 5000 70 20 90 <0.05 <50
11 1.1 1100 31 3.1 3100 51 71 21 91 0.05 50
12 1.2 1200 32 3.2 3200 52 72 22 92 0.2 200
13 1.3 1300 33 3.3 3300 53 not used 73 23 93 0.5 500
14 1.4 1400 34 3.4 3400 54 74 24 94 1 1000
15 1.5 1500 35 3.5 3500 55 75 25 95 2 2000
16 1.6 1600 36 3.6 3600 56 6 76 26 96 4 4000
17 1.7 1700 37 3.7 3700 57 7 77 27 97 10
18 1.8 1800 38 3.8 3800 58 8 78 28 98 20
19 1.9 1900 39 3.9 3900 59 9 79 29 99 >=50
Notes: (1) If the visibility is between two of the distances given in the table, the code figure for the lower distance is reported e.g. a visibility of 470 m is reported as 04 (2) When VV=00 the actual visibility is reported by the extra group 1V'f'/V'f'f' in Section 5
Return to Codes Index.
Return to Index.
Last Updated: 7th November 1997
Dave Wheeler weatherman@zetnet.co.uk
Web Space kindly provided by Zetnet Services Ltd, Lerwick, Shetland.