What do green and blue colors in storms mean?

The 'greenage' or green color in storms does not mean a tornado is coming. The green color does signify the storm is severe though. The color is from the water droplets suspended in the storm, absorbing red sunlight and radiating green frequencies.
Published: 6:44 PM PDT May 14, 2018
Updated: 4:49 AM PDT May 15, 2018