Tag: EmComm

When all helicity breaks loose…

I learned a new word last Saturday: helicity. During my Skywarn advanced storm spotter training, Brian Koenecke of the National Weather Service here in Jackson MS taught participants about key elements of meteorology. The «helicity» of a turbulent flow of air---sort of like a bed spring gone awry---was one of the elements that NWS tracks in their radar systems as part of their package to make storm predictions (see en.wikipedia.org/wiki/Turbulence). The differential […]

© Frank M. Howell 2015 Frontier Theme