{"id":44664,"date":"2020-11-25T17:13:24","date_gmt":"2020-11-25T17:13:24","guid":{"rendered":"https:\/\/nwp-saf.eumetsat.int\/site\/?p=44664"},"modified":"2020-11-25T17:13:24","modified_gmt":"2020-11-25T17:13:24","slug":"rttov-v13-0-released","status":"publish","type":"post","link":"https:\/\/nwp-saf.eumetsat.int\/site\/rttov-v13-0-released\/","title":{"rendered":"RTTOV v13.0 released"},"content":{"rendered":"<p><a href=\"https:\/\/nwp-saf.eumetsat.int\/site\/software\/rttov\/rttov-v13\/\">RTTOV v13.0<\/a> has been released. Updates from v12.3 include: new gas optical depth coefficients based on updated spectroscopy and new optical depth predictors; new &#8220;all trace gas&#8221; coefficients for various hyperspectral and non-hyperspectral VIS\/IR sensors; for visible channels, a new parameterisation of Rayleigh extinction that may now optionally be excluded from simulations; option to treat Rayleigh multiple scattering in the DOM solver; updated VIS\/IR cloud liquid water optical properties based on a newer refractive index dataset; new parameterisation for cloud liquid water effective diameter; optimisation of the MFASIS fast model and the DOM solver AD\/K models; and RTTOV-SCATT updates to allow an arbitrary number of hydrometeor species, option to input per-hydrometeor cloud fraction profiles, new approximate treatment of polarised scattering by frozen hydrometeors, new options for generating MW scattering optical property tables, and an active MW sensor capability. See the <a href=\"https:\/\/nwp-saf.eumetsat.int\/site\/software\/rttov\/\">RTTOV pages<\/a> for more information.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RTTOV v13.0 has been released. Updates from v12.3 include: new gas optical depth coefficients based on updated spectroscopy and new optical depth predictors; new &#8220;all trace gas&#8221; coefficients for various hyperspectral and non-hyperspectral VIS\/IR sensors; for visible channels, a new parameterisation of Rayleigh extinction that may now optionally be excluded from simulations; option to treat Rayleigh multiple scattering in the DOM solver; updated VIS\/IR cloud liquid water optical properties based on a newer refractive index dataset; new parameterisation for cloud liquid water effective diameter; optimisation of the MFASIS fast model and the DOM solver AD\/K models; and RTTOV-SCATT updates to [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-44664","post","type-post","status-publish","format-standard","hentry","category-newspage"],"_links":{"self":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/posts\/44664","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/users\/27"}],"replies":[{"embeddable":true,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/comments?post=44664"}],"version-history":[{"count":0,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/posts\/44664\/revisions"}],"wp:attachment":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/media?parent=44664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/categories?post=44664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/tags?post=44664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}