South in state of emergency following historic cold weather

A blitz of snow and ice wreaked chaos for millions and left over four million Texans without power, causing the Texas governor to call it the "winter version of Hurricane Harvey."
2:25 | 02/16/21

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Transcript for South in state of emergency following historic cold weather
Thank you, Ana. We, of course, have to check in on that snowy side. Dallas, for example, more snow than they've seen in more than a decade and they're about to get hit tomorrow. Millions of Americans are waking up without power. More thank 4 million in Texas alone. That state is seeing as you said an historic cold snap and Marcus Moore is there with more. Good morning, Marcus. Reporter: George, good morning. Still an unbelievable sight. Look at the streets in Dallas still snow and ice packed and I want you to take a look at this parking lot. It looks like a skating rink. There were rolling blackouts and some people lost power on Monday morning and it never came back on and the temperatures right now in the single digits. Overnight historic and dangerous cold taking aim at millions. Power lines and trees collapsing from the weight of freezing rain. In New Jersey a transformer exploding. A blitz of snow and ice making driving conditions treacherous. Police pleading with people to stay off the roads. In Ohio tractor trailers and cars lining the road waiting to be rescued and pulled from the snow. Frozing roads making dangerous conditions in Chicago where more than two feet of lake-effect snow has fallen. Texans are waking up to some of the coldest temperatures on record. It's like a walk-in freezer. It's like 34 to 36 degrees. Reporter: The cold snap sending power demands skyrocketing. More than 4 million people waking up in the lone star state without power. Officials imposed rolling blackouts saying the lack of energy is due in part to frozen wind turbines in west Texas knocked offline. There is no firewood. No stores open. Reporter: People desperate to warm up. In Houston a family of six hospitalized with carbon monoxide poisoning after officials say they used a charcoal grill to heat their apartment. The governor making a grim comparison. This is the winter version of hurricane Harvey. Reporter: Health officials in Harris county were racing to distribute more than 8,000 covid-19 vaccines after a freezer lost power and the backup generator failed. Pipes freezing and bursting across the state. And these power lines sizzling taken out by heavy ice in Louisiana. And check this out in Kentucky. That synchronized snowplowing. And due to the power outages here in Texas, the Houston chronicle could not put out a paper. Instead could only do an online version. Michael, it was colder in Houston than it was in anchor

This transcript has been automatically generated and may not be 100% accurate.

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