An Arctic front buffeting the north-eastern United States is forcing temperatures in some parts down to a 50-year low.
In New York, pedestrians are being warned that skin can freeze in under 30 minutes. Several means of transport have also been affected.
A hiker has been found dead in New Hampshire's White Mountains.
Ferries taking commuters from New Jersey to New York City were iced in. Two New York airports, LaGuardia and Newark Liberty, reported more than 200 flights cancelled.
I worked as a roofer in Denamrk in conditions like this, many years ago. The diesel fuel froze in the forklift trucks. I still have a patch of numb skin on one of my legs from frostbite.
Take care you guys.