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CNN News:美国迎严寒天气 50个州气温降至冰点

Source: 恒星英语学习网    2021-02-23   English BBS   Favorite  

CARL AZUZ, cnn 10 ANCHOR: Time to bundle up ya'll. Artic cold is coming to North America and cnn 10 is explaining that as we get underway this February 4th. I'm Carl Azuz. There's this thing called the polar vortex we've told you about before.
According to meteorologists, it's not accurate to say the polar vortex is coming to get you but it can cause frigid air to invade the continent and that's exactly what it will be doing this weekend. Scientists describe the polar vortex as a low-pressure air mass that's located near the Earth's north and south poles.
It keeps the Artic air bottled up in these areas. But in the winter months, the polar vortex can become unstable and allow some of that frigid air to spill south and a single blast of this artic air is the main reason why every state in America, all 50 including Hawaii, will see below freezing temperatures on Monday morning.

Eighty-six percent of the country, 235 million people will be affected. Forecasters predict high temperatures in the mid-west to be 15 to 20 degrees below normal. Some parts of Wisconsin could see temperatures of 25 degrees below zero Fahrenheit.
That's one of 16 states expected to see sub-zero temperatures on Monday. Meteorologists don't know how far south the cold air will reach but some forecasts say cities like Atlanta, Georgia seeing their lowest temperatures in years.
The dangers of all of this, especially up north, frostbite within 30 minutes if people are outside and not wearing the right kind of clothing.
Freezes and ice jams on rivers are possible. Snow that comes before the cold could ice up on roads causing traffic problems. Forecasters say unusually cold conditions are expected to remain in place for the next 10 days.


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