{"id":531,"date":"2015-07-28T17:28:18","date_gmt":"2015-07-28T17:28:18","guid":{"rendered":"http:\/\/www.nwpsaf.eu\/site\/?page_id=531"},"modified":"2017-11-08T12:05:03","modified_gmt":"2017-11-08T12:05:03","slug":"rttov-simulated-imagery","status":"publish","type":"page","link":"https:\/\/nwp-saf.eumetsat.int\/site\/software\/rttov\/applications\/rttov-simulated-imagery\/","title":{"rendered":"RTTOV Simulated Imagery"},"content":{"rendered":"<h2>Simulated Imagery<\/h2>\n<p>This page gives some examples of simulated imagery generated using the RTTOV fast radiative transfer code.<\/p>\n<h3>Met Office UKV NWP system<\/h3>\n<p>The Met Office <a href=\"https:\/\/www.metoffice.gov.uk\/research\/modelling-systems\/unified-model\/weather-forecasting\">UKV<\/a> is a regional NWP system with fixed 1.5km resolution over the UK, stretching to 4km resolution over surrounding areas. The Unified Model is used, with 744(622 @ 1.5 km) \u00d7 928(810 @ 1.5 km) grid points. There are 70 levels extending to \u223c40km altitude, and the model runs with a 50s (or 30s) timestep. There are currently 4 runs\/day, generally to T+36. Lateral boundary conditions come from the 12 km NAE model every half hour, with the initial state currently updated using 3DVAR and latent-heat nudging. <a href=\"http:\/\/research.metoffice.gov.uk\/research\/nwp\/publications\/mosac\/doc-2009-06.pdf\">Further details of the UKV model can be found here<\/a>.<\/p>\n<h3>Simulated imagery from RTTOV<\/h3>\n<p>Shown below are simulated 8.7\u03bcm images generated from UKV model analysis fields using RTTOV v7 (upper panel) alongside real images from the SEVIRI instrument obtained within a few minutes of the analysis time (lower panel). The images are 3-hourly and date from the 16th and 17th of February 2010. Further information on the generation of simulated SEVIRI imagery can be found here.<\/p>\n<div style=\"width: 624px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/nwp-saf.eumetsat.int\/site\/software\/rttov\/\" alt=\"\" width=\"614\" height=\"715\" \/><p class=\"wp-caption-text\">Simulated imagery from the RTTOV model and UKV.<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Simulated Imagery This page gives some examples of simulated imagery generated using the RTTOV fast radiative transfer code. Met Office UKV NWP system The Met Office UKV is a regional NWP system with fixed 1.5km resolution over the UK, stretching to 4km resolution over surrounding areas. The Unified Model is used, with 744(622 @ 1.5 km) \u00d7 928(810 @ 1.5 km) grid points. There are 70 levels extending to \u223c40km altitude, and the model runs with a 50s (or 30s) timestep. There are currently 4 runs\/day, generally to T+36. Lateral boundary conditions come from the 12 km NAE model every [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":357,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","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":""},"class_list":["post-531","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/pages\/531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/comments?post=531"}],"version-history":[{"count":0,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/pages\/531\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/pages\/357"}],"wp:attachment":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/media?parent=531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}