According to the National Weather Service, a bolt from the blue is a cloud to ground lightning strike which appears to come ...

Finally, the color of lightning can sometimes signify how hot the lightning bolt is. They're not all the same. Red, orange and yellow bolts are fairly cool at or less than 10,000 degrees Fahrenheit.

Lightning comes in every color of the rainbow (Red, Yellow, Green, Cyan, Blue, and Violet, to name a few). It's almost always white, but often it's tinged with another color around the edges.

Lightning lights up a thunderstorm with a purple hue. (Supplied: Jordan Cantelo)Lightning can come in many different colours, including yellow, brown, pink and red, depending on environmental factors.