![](\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2023\/07\/230716_Shishaldin_ash_loading_anim.gif\")
<\/a>GOES-18 Ash Loading product [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>Following the eruption on 14 July<\/strong><\/a>, another explosive eruption of Mount Shishaldin began just before 0530 UTC on 16 July 2023 — radiometrically-retrieved GOES-18 (GOES-West)<\/em> Ash Loading (above)<\/strong><\/em> and Ash Height (below)<\/strong><\/em> products from the NOAA\/CIMSS Volcanic Cloud Monitoring<\/strong><\/a> site indicated moderate to high amounts of ash loading, existing at heights within the 4-10 km range during the 2.5 hour period following eruption onset.<\/p>\n GOES-18 Ash Height product [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>In a longer animation sequence of GOES-18 SO2 RGB<\/strong><\/a>, Ash RGB<\/strong><\/a>, Air Mass RGB<\/strong><\/a> and Nighttime Microphysics RGB<\/strong><\/a> images (below)<\/strong><\/em>, the volcanic ash plume exhibited a different signature in each of the RGBs (a factor of which ABI<\/strong><\/a> spectral bands were used, and how they were scaled in each RGB recipe).<\/p>\n GOES-18 SO2 RGB, Ash RGB, Air Mass RGB and Nighttime Microphysics RGB images [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>Cursor sampling of Volcanic Ash Advisories issued at 0538 UTC and at 0650 UTC are shown below.<\/p>\n<\/a><\/a>