Tag: Polar vortex
What exactly is the polar vortex?
Zachary Lawrence, University of Colorado Boulder and Amy Butler, National Oceanic and Atmospheric Administration
At the start of February...
What makes natural gas bottlenecks happen during extreme cold snaps
Sarah Ryan, Iowa State University
When temperatures in Minneapolis fell to 27 below zero during the January 2019 polar vortex, the Xcel Energy utility urged...