Archives for January 2014

Perspectives on an arctic vortex and rock pigeon

Just two weeks ago and still chilling our memories, a cold front moved into the northern states.  In Pennsylvania as temperatures reached 15 below (Fahrenheit) and wind chills dipped further to 25-40 below, a new term entered the media vocabulary: “arctic vortex.”  Of course, we have had temperatures dip below zero before and wind chills […]