| Term: | Close pack ice |
| Definition: | Composed of close ice that is mostly in contact; ice cover 7/10ths to 9/10ths. |
| Term: | Close pack ice |
| Definition: | Floating ice in which the concentration is 7/10 to 8/10, composed of floes mostly in contact. |
| Term: | Close pack ice |
| Definition: | Pack ice in which the concentration is seven-tenths to eight-tenths, composed of floes mostly in contact. |
| Term: | Close pack ice |
| Definition: | Floating pack ice in which the ice concentration is between 7/10 and 8/10, composed of floes mostly in contact. |
| Term: | Close pack ice |
| Definition: | Composed of floes mostly in contact. Ice cover 7/10ths to 9/10ths. |