U.S. coldest

Currently, the winter snow blanketing the middle of the countries in the region north of the equator. According to weather forecasts of various institutions, a severe winter will continue to hit until mid or late January.

Based on these predictions, AccuWeather, weather monitoring institutions from the United States that was established in 1962 states, in January 2011 will be the coldest January since 1985, past or over a period of 26 years, in the United States.

"Despite unusually cold weather in some regions in recent years, overall the United States have never undergone a thorough winter like this since the 1980s," said Joe Bastardi, chief forecaster AccuWeather Long Range.

Record-breaking cold climate itself has been hit most of the western United States in the first few days of January. The air froze northern ambush, while in eastern and south have experienced cooling dramatically since this weekend.

Bastardi said the frozen Antarctic air is usually locked in the area of Canada is now blown to the south. This makes the temperature in the countries in the south to be outside the normal.

"The winds of Antarctica will continue to blow all over the country starting this week, and will continue until next week," said Bastardi. "The period between 10 and 20 January this winter is expected to reach the peak point with the northern United States who will experience the worst conditions," he said.