![\"Meteosat-11](\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/03\/210324_meteosat11_ashHeight_Etna_anim.gif\")
<\/a>Meteosat-11 Ash Height images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>EUMETSAT<\/strong><\/a> Meteosat-11 Ash Height retrievals from the NOAA\/CIMSS Volcanic Cloud Monitoring<\/strong><\/a> site (above)<\/strong><\/em> showed that an eruption of Mount Etna in Sicily, Italy on 24 March 2021 produced an ash cloud which rose to heights of 7-8 km (darker shade of green)<\/em>.<\/p>\n The corresponding Meteosat-11 Ash Loading images are shown below — ash loading appeared to be light to moderate within much of the volcanic cloud.<\/p>\n Meteosat-11 Ash Loading images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>Ash Loading values retrieved using Suomi NPP VIIRS data at at 1200 UTC (below)<\/strong><\/em> were notably higher than those from Meteosat-11, given the higher spatial resolution and additional spectral band data available from the VIIRS instrument.<\/p>\n Suomi NPP VIIRS Ash Loading at 1200 UTC [click to enlarge]<\/p><\/div>A toggle between VIIRS True Color RGB images from NOAA-20 and Suomi NPP as viewed using RealEarth<\/strong><\/a> (below)<\/strong> <\/em>revealed hues of tan to light brown within the volcanic plume, further supporting the presence of an elevated ash content.<\/p>\n<\/a><\/a>