Add Yahoo as a preferred source to see more of our stories on Google. (COLORADO) – When storms are in the forecast, we often show a graphic known as Available Storm Energy, marked with purple colors ...

The National Hurricane Center makes a new cone official, and floats another experimental cone.

(COLORADO) – When storms are in the forecast, we often show a graphic known as Available Storm Energy, marked with purple colors (pictured below). This graphic represents something known as CAPE. CAPE ...