| Term: | Very close pack ice |
| Definition: | Pack ice in which the concentration is nine-tenths to less than ten-tenths. |
| Term: | Very close pack ice |
| Definition: | Pack ice in which the floes are tightly packed but not frozen together, with very little, if any, sea water visible. Ice cover practically 10/10ths. |
| Term: | Very close pack ice |
| Definition: | Pack ice in which the floes are tightly packed but not frozen together, with very little, if any, sea water visible; ice cover practically 10/10th. |
| Term: | Very close pack ice |
| Definition: | Floating ice in which the concentration is 9/10 and more, but less than 10/10. |