Related Clues:

• Hardtop with deficient heating system available globally
• Where you might end up, given a high degree of latitude
• Large frozen sheet floating at sea
• Frozen polar region
• One might drift from the pack, finding life with eco nuts
• Solid piece of ocean field, and shifting!
• Cold sheet that is wrapped round woman after church
• Sheet of frozen water
• Frozen floating sheet
• Floating sheet
• Polar feature that's better around third of December
• Expanse of frozen water witches followed regularly
• What's retreating with respect to climate instability's first signs?
• I feel cold (not half) at sea
• Something fallen off a shelf?