{"id":6,"date":"2021-10-15T09:36:22","date_gmt":"2021-10-15T14:36:22","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/patmosx-new\/?page_id=6"},"modified":"2026-01-21T12:04:20","modified_gmt":"2026-01-21T18:04:20","slug":"home-page","status":"publish","type":"page","link":"https:\/\/cimss.ssec.wisc.edu\/patmosx\/","title":{"rendered":"PATMOS-x"},"content":{"rendered":"\n<p>Welcome to the PATMOS-x (Pathfinder Atmospheres &#8211; Extended) website. The purpose of this site is to provide resources to access PATMOS-x&nbsp;<a href=\"https:\/\/cimss.ssec.wisc.edu\/patmosx\/access.html\">data<\/a>&nbsp;products,&nbsp;<a href=\"https:\/\/cimss.ssec.wisc.edu\/patmosx\/documentation.html\">documentation<\/a>&nbsp;and results from validation and scientific studies. PATMOS-x includes a full suite of cloud and atmospheric products derived from the Advanced Very High Resolution (AVHRR) sensor flown on polar orbiting weather satellites beginning in the late 70&#8217;s and continuing through present day. PATMOS-x was developed at NOAA\/NESDIS\/STAR in collaboration with the University of Wisconsin &#8211; Madison CIMSS (Cooperative Institute for Meteorological Satellite Studies).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/patmosx\/access\/\" data-type=\"page\" data-id=\"12\">Data<\/a><\/h2>\n\n\n\n<p>The entire PATMOS-x\/AVHRR record is available at the NOAA&#8217;s climate data record\u00a0<a href=\"http:\/\/dx.doi.org\/10.7289\/V5348HCK\">archive<\/a>\u00a0and is updated daily. CIMSS also hosts a climate data\u00a0<a href=\"https:\/\/cimss.ssec.wisc.edu\/climate-data-portal\/\">portal<\/a>\u00a0that can do spatial and variable sub setting for smaller data requests. While the AVHRR record is considered the official PATMOS-x cloud climate product, there are PATMOS-x products produced from other sensors (e.g. GOES, MODIS, VIIRS) that may also be available at the CDP.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/patmosx\/software\/\" data-type=\"page\" data-id=\"185\">Software<\/a><\/h2>\n\n\n\n<p>PATMOS-x is produced using the CLAVR-x processing system. A precompiled binary of the latest stable release (<a href=\"https:\/\/cimss.ssec.wisc.edu\/patmosx\/exe\/clavrxorb\">Version 3.0<\/a>)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/patmosx\/monitor\/\" data-type=\"page\" data-id=\"15\">Monitoring<\/a><\/h2>\n\n\n\n<p>Access figures and statistics from long term monitoring of the PATMOS-x record.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/patmosx\/calibration\/\" data-type=\"page\" data-id=\"35\">Calibration<\/a><\/h2>\n\n\n\n<p>Access results from inter-sensor AVHRR calibration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/patmosx\/documentation\/\" data-type=\"page\" data-id=\"40\">Documentation<\/a><\/h2>\n\n\n\n<p>Several technical documents are available describing the PATMOS-x products as well as the retrieval algorithms used. A list of publications featuring the PATMOS-x product is also available as well as the preferred method of citing PATMOS-x data products when used.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/patmosx\/about\/\" data-type=\"page\" data-id=\"42\">Help<\/a><\/h2>\n\n\n\n<p>Questions about PATMOS-x? Contact us.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Welcome to the PATMOS-x (Pathfinder Atmospheres &#8211; Extended) website. The purpose of this site is to provide resources to access PATMOS-x&nbsp;data&nbsp;products,&nbsp;documentation&nbsp;and results from validation and scientific studies. PATMOS-x includes a full suite of cloud and atmospheric products derived from the Advanced Very High Resolution (AVHRR) sensor flown on polar orbiting weather satellites beginning in the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-6","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/patmosx\/wp-json\/wp\/v2\/pages\/6","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cimss.ssec.wisc.edu\/patmosx\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cimss.ssec.wisc.edu\/patmosx\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/patmosx\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/patmosx\/wp-json\/wp\/v2\/comments?post=6"}],"version-history":[{"count":8,"href":"https:\/\/cimss.ssec.wisc.edu\/patmosx\/wp-json\/wp\/v2\/pages\/6\/revisions"}],"predecessor-version":[{"id":192,"href":"https:\/\/cimss.ssec.wisc.edu\/patmosx\/wp-json\/wp\/v2\/pages\/6\/revisions\/192"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/patmosx\/wp-json\/wp\/v2\/media?parent=6"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}