Weather

Chill sets in for Triangle, U.S. this week

Posted January 5, 2015

— After an unusually warm and stormy Sunday, temperatures in the Triangle Monday will be more "normal" for January. The forecast high in the upper 40s is right in line with our average for this time of year.

North Carolina skies stay mostly clear through the week, but temperatures will take tumble. 

Monday and Tuesday will seem mild by comparison by week's end, when overnight lows dip into the teens. On Thursday, temperatures might not get above the freezing mark.

Elsewhere, snow and heavy rain accompany the bitterly cold temperatures that will be staying put for at least part of this week.

Here are some questions and answers about the weather:

Q: WHAT'S THE FORECAST?

A: The Midwest will see the tail end of a storm that could leave as many as 6 inches of snow in Chicago by early Tuesday. After that, Arctic temperatures like those seen in North Dakota and Minnesota will rush in. Parts of those states were expecting wind chills of between 25-50 degrees below zero through Monday morning.

It'll be a similar story in New York, where rain showers will give way to cold air. By Thursday, "New York City will be lucky if it hits 20" for a high and could see lows near 10 degrees, according to Michael Musher with the National Weather Service's Weather Prediction Center.

Atlanta will see temperatures dip to about 15 degrees Monday and Tuesday.

In the West, a stream of Pacific moisture will drop as much as 6 inches of rain in the Seattle area and could mean substantial snowfall in the Cascades. But in San Francisco — a region that desperately needs rain — skies will be sunny.

Q: WHAT'S CAUSING THE TEMPERATURE DROP?

A: The jet stream is dipping, meaning cold air from Canada and other northern areas is plummeting into the eastern two-thirds of the United States.

Q: IS IT A POLAR VORTEX?

A: The phrase took on a life of its own last year, and it was blamed for everything from ice storms to the inability of the New York Giants to score touchdowns. But the National Weather Service is skittish about going anywhere near it this time around.

But the answer is yes and no. Yes, because as Musher noted, the cold air is coming from near the North Pole. But also no, because the low-pressure system isn't going to sink into the U.S. this year, just the temperatures that precede it.

Meteorologists say it's simply winter.

Q: HOW CAN PEOPLE PREPARE?

A: Bundle up. For much of the country, this is the first true taste of winter weather. Musher suggests dressing properly and remembering that below-freezing temperatures can cause hypothermia.

But there don't seem to be any huge winter storms poised to strike, meaning travel in most places won't be more difficult than it usually is this time of year.

Q: WHAT'S NEXT?

A: Temperatures are expected to be lower than normal for several days. They could rise a bit by the end of the week. But remember: It's only January.

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  • notexactly Jan 5, 2015

    like the article says " its simply winter time"
    Just like when it is a little hotter in the summer than normal, Its simply the summer time.

  • jmcdow2792 Jan 5, 2015

    This would be great, if I were in Florida.

  • theliberadicator Jan 5, 2015

    Ahh yes, the dry winter chill.