What does a vivid, almost electric green color paired with a lowered, rotating feature suggest?

Answer

The storm has a well-established, rotating updraft, making a tornado imminent.

When intense green light is paired with visible rotation beneath the cloud base (a wall cloud), it signals a highly efficient storm structure with a dangerous, active updraft.

What does a vivid, almost electric green color paired with a lowered, rotating feature suggest?
weathercolorskyatmospheretornado