VIIRS high-resolution IR image (channel I-5), taken at 08:13 UTC 4 April 2013. Published April 4, 2014 at 2999 × 2985 in Severe Weather in the Mesosphere VIIRS high-resolution IR image (channel I-5), taken at 08:13 UTC 4 April 2013. VIIRS high-resolution IR image (channel I-5), taken at 08:13 UTC 4 April 2013.