Around 40 million people in the U.S. are under a winter storm warning from an unusual blast of severe cold weather and snow across the South.

Ireland has been hit with record wind gusts of 114 miles (183 kilometers) an hour as a winter storm batters the country and northern parts of the U.K. Schools have been closed, trains halted and hundreds of flights canceled in the Republic of Ireland,

Millions of people in Ireland and northern parts of the U.K. have heeded the advice of authorities to stay at home

Ireland was hit with wind gusts of 183 kim/h, the strongest on record, as a winter storm battered the country and northern parts of the U.K. on Friday, leaving hundreds of thousands of people without power.

"If it's cold for you, it's cold for them," said Dr. Sarah Alward, a veterinarian at Veterinary Medical Center of Long Island in West Islip.

Learn about the dangers of keeping dogs outside in cold weather and essential tips to keep them safe and comfortable during winter.