{"id":37835,"date":"2020-08-04T15:21:05","date_gmt":"2020-08-04T15:21:05","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=37835"},"modified":"2020-08-04T15:36:57","modified_gmt":"2020-08-04T15:36:57","slug":"viirs-today-website-is-live","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/37835","title":{"rendered":"VIIRS Today Website is live"},"content":{"rendered":"<p><div id=\"attachment_37840\" style=\"width: 635px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/08\/VIIRSToday_TrueFalse_DNB_Toggle_USA4_20216.gif\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-37840\" class=\"wp-image-37840\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/08\/VIIRSToday_TrueFalse_DNB_Toggle_USA4_20216.gif\" alt=\"\" width=\"625\" height=\"359\" \/><\/a><p id=\"caption-attachment-37840\" class=\"wp-caption-text\">VIIRS Today imagery from 3 August (Daytime, left, True Color [Bands 1, 4, 3 from VIIRS] and False Color [Bands 7, 2, 1 from VIIRS] from Suomi NPP; Day Night Band imagery from NOAA-20, right)<\/p><\/div><a href=\"https:\/\/cimss.ssec.wisc.edu\">CIMSS <\/a>has hosted the <a href=\"https:\/\/ge.ssec.wisc.edu\/modis-today\">MODIS Today<\/a> website for many years.\u00a0 Its follow-on, the <a href=\"https:\/\/ge.ssec.wisc.edu\/viirs-today\">VIIRS Today<\/a> has gone live as of 4 August 2020.<\/p>\n<p>As with MODIS today, the USA is subdivided into 8 sectors, and imagery on a 2-km, 1-km and 250-m grid is provided, even though VIIRS&#8217; best resolution at nadir is 375 m (and 750 m for the Day Night Band).<\/p>\n<p>The images above show <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/08\/n1.20216.USA4_.143.2000m.jpg\">True-Color<\/a> and <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/08\/n1.20216.USA4_.721.2000m.jpg\">False Color<\/a> imagery from Suomi NPP on shortly after noon on 3 August over the northeast United States, along with <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/08\/n2.20216.USA4_.DNBD_.2000m.jpg\">Day Night Band Imagery from NOAA-20<\/a>, also from (the early morning of) 3 August, shortly before the Full Moon.<\/p>\n<p>VIIRS Today does have an archive going back several years.\u00a0 The website allows you to choose either Suomi-NPP or NOAA-20 data (links at the page will also show you today&#8217;s Suomi-NPP and NOAA-20 orbital passes), and you can view True Color Imagery (combining channels only in the visible part of the electromagnetic spectrum), False-Color Imagery (combining visible and near-infrared information) or (unique to VIIRS) Day Night Band Imagery.\u00a0 There is also a link to a webpage showing the Moon Phase.<\/p>\n<p>The image below, downloaded from VIIRS Today, shows the NOAA-20 Day Night Band composite from the morning of 4 August 2020 (<a href=\"http:\/\/ge-test.ssec.wisc.edu\/viirs-today\/index.php?satellite=n1&#038;product=DNB&#038;date=2020_08_03_216&#038;overlay_sector=false&#038;overlay_state=false&#038;overlay_coastline=false\">link<\/a>).<\/p>\n<div id=\"attachment_37845\" style=\"width: 635px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/08\/n2.20217.USA_Composite.DNBD_.4000m.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-37845\" class=\"wp-image-37845\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/08\/n2.20217.USA_Composite.DNBD_.4000m.jpg\" alt=\"\" width=\"625\" height=\"361\" srcset=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/08\/n2.20217.USA_Composite.DNBD_.4000m.jpg 1300w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/08\/n2.20217.USA_Composite.DNBD_.4000m-300x173.jpg 300w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/08\/n2.20217.USA_Composite.DNBD_.4000m-1024x591.jpg 1024w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/08\/n2.20217.USA_Composite.DNBD_.4000m-768x443.jpg 768w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><\/a><p id=\"caption-attachment-37845\" class=\"wp-caption-text\">NOAA-20 Day Night Band image composite, 4 August 2020 (Click to enlarge)<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>CIMSS has hosted the MODIS Today website for many years.\u00a0 Its follow-on, the VIIRS Today has gone live as of 4 August 2020. As with MODIS today, the USA is subdivided into 8 sectors, and imagery on a 2-km, 1-km and 250-m grid is provided, even though VIIRS&#8217; best resolution at nadir is 375 m [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":37845,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[78,49,48],"tags":[],"class_list":["post-37835","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noaa-20","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/37835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=37835"}],"version-history":[{"count":9,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/37835\/revisions"}],"predecessor-version":[{"id":37849,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/37835\/revisions\/37849"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/37845"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=37835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=37835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=37835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}