This image won Readers Choice in The Week in Pictures the week of May 1 - 8, 2008. Images of mother nature in action often become reader favorites, and the editors liked the way the tiny lights in the bottom right give the huge vortex scale.

Gene Blevins/Reuters
A supercell that became a Tornadic vortex signature lights up the night sky with lightning over Amarillo, Texas, May 6, 2008.






















