1. Create a new document (Ctrl+N) 500x500.
  2. Now, press D.
  3. Now, Filter > Render > Clouds.
  4. Now, Filter > Blur > Radial Blur: Amount = 100, Zoom, Best.
  5. Now, Filter > Sketch > Chrome: Detail = 10 Smoothness = 10.
  6. Now, Filter > Distort > Wave: Square, don't change anything else.
  7. Now, Filter > Distort > Wave: Triangle, don't change anything else.
  8. Now, Filter > Distort > Wave: Square, don't change anything else.
  9. Now, Filter > Distort > Twirl: to whatever looks good to you.
  10. Now, Edit > Fade Twirl: Difference.
  11. Now, Image > Adjust > Brightness/Contrast: Contrast = 60.
  12. Now, Filter > Distort > Polar Coordinates: Rectangular.
  13. Now, Edit > Transform > Flip Vertical.
  14. Now, Image > Adjust > Color Balance:

    Settings

    Midtones: red = -100, blue = 50, green = -35
    Highlights: red = -100, blue = 50, green= -35.
  15. Now, press Ctrl + I.
  16. Now, Image > Adjust > Color Balance:

    Settings

    Midtones: red = 100, blue = -100, green = -100
    Highlights: red = 100, blue = 0, green = 0.

    If wanting to have it look like it's burning hot then go to Filter > Distort > Ripple: medium, amount = 75.