VIIRS channel M-13 brightness temperature image taken 16:25 UTC 4 August 2012 Published August 13, 2012 at 1255 × 968 in Fires near the “Coldest City on Earth” VIIRS channel M-13 brightness temperature image taken 16:25 UTC 4 August 2012 VIIRS channel M-13 brightness temperature image taken 16:25 UTC 4 August 2012. The color scale ranges from 200 K (white) to 330 K (black).