Brrrr! Why It's So $#%*! Cold
By Andrea Thompson, Live Science Contributor | January 5, 2018 02:20pm ET
The "bomb cyclone," with its whipping winds and foot-plus snowdrifts, has passed, but even more teeth-chattering weather has blanketed the eastern U.S. in its wake.
Temperatures of 20 to 30 degrees Fahrenheit (11 to 17 degrees Celsius) below normal are keeping people bundled up from the Midwest to the Northeast, according to the National Weather Service (NWS). With the blistering winds fueled by the storm, temperatures feel even colder still, with wind chills into the negative double-digits.
https://www.livescience.com/61346-why-so-cold-outside.html