The NWS issued wind-chill
advisories and warnings for more than 10 states, from North Dakota and to East Coast metropolitan centers.
According to the Scientific American, wind-chill
is a number that is mathematically derived and approximates how cold your skin feels and not how cold it actually is. This is caused when the wind takes away some of the heat under your skin that usually radiates heat due to blood and underlying tissue.
"Looking ahead at the forecast, we are due -3C tonight, -4/5C Christmas Eve into Christmas Day and Christmas evening into Boxing Day is forecast to be -6C, with an estimated wind-chill
factor of -9C.
Temperatures have been in the single digits and wind-chill
factors below zero, making life difficult for commuters as they rush to get to work.
temperatures plunging to -20C medics warned people that exposed skin could suffer frostbite within 15 minutes.
Lows in the single digits to below-zero temperatures with wind-chill
factors were predicted for Central Massachusetts as well.
"This is where trees could really contribute - reducing wind-chill
in the winter and creating shade in the summer."
factor this morning was measured at minus 6.5C.
could bring overnight temperatures of -18C in the North.
Then it got very cold, 40 below with the wind-chill
Welcoming the review of the government's central heating scheme, Nationalist Allan said wind-chill
was a major factor, along with the ageing population and the unavailability of mains gas in most areas.
On the worst days, Pete has encountered temperatures with a wind-chill
factor of -32C and snow drifts two metres deep.