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How Will This Week's Polar Vortex Affect Dedham?

We'll see a blast of cold air this week. Find out how to stay warm and safe.

Photo credit: Patch file photo.
Photo credit: Patch file photo.
By Bryan McGonigle 

You may have heard the term "polar vortex" a lot in the past few days. The nation is bracing for a bone-chilling arctic blast, and Dedham will feel the chill.

A polar vortex is a large blast of freezing cold air sent down from the North Pole. Somewhat rare, a polar vortex tends to happen only once a decade, sometimes once every couple decades or so.

This polar vortex will likely be the worst we've seen in 20 years. Temperatures in the midwest are expected to drop down with wind chills of 50 degrees below zero.

Temperatures dare expected to stay below freezing for most of the week, with lows in the teens on Tuesday and Wednesday, before climbing back up to 50 degrees on Saturday, according to WHDH.

Here are some tips, courtesy of the National Weather Service, to keep in mind during this Arctic cold:

  1. Minimize outdoor activities, especially for the elderly and very young.
  2. Dress in several layers of loose-fitting clothing rather than a single layer of heavy clothing.
  3. Wear a hat, mittens and waterproof boots. Cover your mouth with a scarf to protect your lungs.
  4. When using heating sources such as fireplaces, wood stoves and space heaters, be sure to ventilate them correctly.
  5. Test smoke alarms and keep carbon monoxide detectors handy.
  6. Bring pets out of the cold. Don't assume they can handle the cold. If you are not warm, they are not either.


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