East Coast 1981-2010

Frequency of Presence of Old Ice: 1 to 10/10 (%) for December 11

Maps for December 11:

• Median of Ice Concentration When Ice is Present
• Median of Ice Concentration
• Frequency of Presence of Sea Ice (%)
• * Frequency of Presence of Old Ice: 1 to 10/10 (%)
• Median of Predominant Ice Type When Ice is Present