Arctic air swept south, bringing record-breaking low temperatures.

Cold arctic air hit warm subtropical air and supercharged the jet stream, which coincided with unusually high tides.

Then arctic air brought freezing fogs and mists, followed by snows and blizzards.

Concurrent with this blizzard was the extremely cold arctic air.

Arctic air masses in their wake are shallow with a deep layer of stable air above the shallow cold cool.

It warned of further misery as global oil prices continue to rise and the arctic conditions eat up fuel.

The facility was also used to test naval equipment in freezing arctic conditions, and even the effects of icing on trawler rigging.

Others prefer lower-input but equally remote options such as flying light aircraft north of the tree line or driving snowmobiles in convoy for thousands of miles in arctic conditions.

Prepare for cruel messages about survival in arctic conditions and footage showing what a polar bear looks like when it survives on little but moss and seaweed.

But the visitors created precious little going forward and could have few complaints at the end of a game played in arctic conditions.

Arctic ice has melted to the second lowest level on record, with a million fewer square miles of sea frozen than in the 1980s and 1990s.

Stages, wharves and boats disappear during the tail ends of hurricanes or even squalls, but worse was the arctic ice that invade each spring.

Navigation beneath the arctic ice sheet was difficult.

For example, ice pieces flowing then jamming a spring river would be modeled very differently from a ship model traversing a simulated arctic ice sheet.

These ships, designed to be capable of independent operation in arctic ice conditions, were of extremely robust design and had strengthened hulls resembling those of polar icebreakers.

When deposited, especially on glaciers or on ice in arctic regions, the lower surface albedo can also directly heat the surface.

These soils occur predominantely in subarctic and low arctic regions of continuous or widespread permafrost.

They also retained excellent nocturnal vision, and hunting at night in the arctic regions would probably have been their prime hunting method.

Both show the same configuration of the arctic regions as the 1569 map.

However, limits are most frequently imposed in alpine and arctic regions.

Dark-bellied brent geese are returning to their winter quarters on estuaries and adjacent pastures from their breeding grounds in arctic tundra.

And later, that one species was nothing: we needed to rescue ecosystems like the rainforest and arctic tundra.

The project was resurrected in 2004 with a new proposal to transport gas through the sensitive arctic tundra.

The habitat consists of arctic tundra and alpine and subalpine tundra.

They also inhabit arctic tundra and semidesert communities.

And arctic weather and extra days off boosted bookings so far for 2011 by 65 per cent compared to the same period last year.

Struggling high-street retailers are being battered by this week's arctic weather, with sales collapsing as shoppers stay at home.

This taxi-to-table breed has evolved to withstand even the most arctic weather, tights-free.

He has appropriated hundreds of images from a webcam attached to a meteorological station that clocks the changes in arctic weather and light conditions several times an hour.

Net revenues in the first few weeks of this year have fallen by 0.6 per cent, not helped by the impact of the arctic weather on fixture cancellations.

Arctic winds will make it feel much colder.

Arctic winds will cut temperatures even further after they dipped below freezing at night over the weekend.

The augmented reality experience will allow visitors to see the aurora borealis, meet a polar bear and cub, and feel the chill of arctic winds on their faces.

Arctic winds have largely overwhelmed the warm seas and left us freezing cold.