Code/Flag Figure |
Description |
Status |
0
|
NEW ICE ONLY (FRAZIL ICE, GREASE ICE, SLUSH, SHUGA)
|
|
1
|
NILAS OR ICE RIND, LESS THAN 10 CM THICK
|
|
2
|
YOUNG ICE (GREY ICE, GREY-WHITE ICE), 10-30 CM THICK
|
|
3
|
PREDOMINANTLY NEW AND/OR YOUNG ICE WITH SOME FIRST-YEAR ICE
|
|
4
|
PREDOMINANTLY THIN FIRST-YEAR ICE WITH SOME NEW AND/OR YOUNG ICE
|
|
5
|
ALL THIN FIRST-YEAR ICE (30-70 CM THICK)
|
|
6
|
PREDOMINANTLY MEDIUM FIRST-YEAR ICE (70-120 CM THICK) AND THICK FIRST-YEAR ICE (>120 CM THICK) WITH SOME THINNER (YOUNGER) FIRST-YEAR ICE
|
|
7
|
ALL MEDIUM AND THICK FIRST-YEAR ICE
|
|
8
|
PREDOMINANTLY MEDIUM AND THICK FIRST-YEAR ICE WITH SOME OLD ICE (USUALLY MORE THAN 2 METRES THICK)
|
|
9
|
PREDOMINANTLY OLD ICE
|
|
30
|
UNABLE TO REPORT, BECAUSE OF DARKNESS, LACK OF VISIBILITY OR BECAUSE ONLY ICE OF LAND ORIGIN IS VISIBLE OR BECAUSE SHIP IS MORE THAN 0.5 NAUTICAL MILE
|
|
31
|
MISSING VALUE
|
|