{"id":12277,"date":"2013-02-01T21:59:19","date_gmt":"2013-02-01T21:59:19","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=12277"},"modified":"2013-02-02T18:37:40","modified_gmt":"2013-02-02T18:37:40","slug":"interesting-features-seen-on-suomi-npp-viirs-daynight-band-images","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/12277","title":{"rendered":"Interesting features seen on Suomi NPP VIIRS Day\/Night Band images"},"content":{"rendered":"<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/02\/130201_suomi_npp_viirs_dnb_ir_fog_large_anim.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/02\/130201_suomi_npp_viirs_dnb_ir_fog_large_anim.gif\" width=\"480\" height=\"360\" alt=\"Suomi NPP VIIRS 0.7 \u00c2\u00b5m Day\/Night Band, 11.45 \u00c2\u00b5m IR channel, and IR brightness temperature difference \"fog\/stratus product\" images\" class \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS 0.7 \u00c2\u00b5m Day\/Night Band, 11.45 \u00c2\u00b5m IR channel, and IR brightness temperature difference &#8220;fog\/stratus product&#8221; images<\/p><\/div>\n<p>On a comparison of AWIPS images of Suomi NPP VIIRS 0.7 \u00c2\u00b5m Day\/Night Band, 11.45 \u00c2\u00b5m IR channel, and IR brightness temperature difference &#8220;fog\/stratus product&#8221; data at 08:09 UTC or 2:09 AM local time on <strong><a href=\"http:\/\/www.hpc.ncep.noaa.gov\/dailywxmap\/index_20130201.html\" title=\"01 February 2013 daily weather map\">01 February 2013<\/a><\/strong> <strong><em>(above),<\/em><\/strong> one prominent feature that stood out across the middle of the Day\/Night Band image was the broad swath of fresh snow cover that extended northeastward from Kansas to Wisconsin. This band of snow cover resulted from a winter storm that produced snowfall amounts as high as 4.0 inches in Kansas, 6.0 inches in Nebraska, 7.8 inches in Iowa, and 12.0 inches in Wisconsin on 29-30 January (<strong><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/02\/130129-30_snowfall.jpg\" title=\"snowfall map\">snowfall map<\/a><\/strong>). The IR and &#8220;fog\/stratus product&#8221; images indicated that some layers of stratus clouds were moving over the southwestern portion of the snow swath <em>(over Kansas and Nebraska),<\/em> but the edge of the snow swath could still be seen throgh these thin cloud features.<\/p>\n<p>Cold air in the wake of the storm then caused laked-effect snows in excess of 12 inches across parts of the Upper Peninsula of Michigan. A close-up view of Lake Superior using the VIIRS Day\/Night Band and IR channel images <strong><em>(below)<\/em><\/strong> showed the widespread lake-effect snow bands, which showed up nicely due to the &#8220;visible image at night&#8221; utility of the Day\/Night Band <em>(provided that there is adequate illumination by moonlight)<\/em>.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/02\/130201_suomi_npp_viirs_dnb_ir_lake_superior_anim.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/02\/130201_suomi_npp_viirs_dnb_ir_lake_superior_anim.gif\" width=\"480\" height=\"360\" alt=\"Suomi NPP VIIRS 0.7 \u00c2\u00b5m Day\/Night Band and 11.45 \u00c2\u00b5m IR channel images\" class \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS 0.7 \u00c2\u00b5m Day\/Night Band and 11.45 \u00c2\u00b5m IR channel images<\/p><\/div>\n<p>Also of interest were a series of long, very narrow streaks of snow cover across parts of Illinois &#8212; in particular, the one than ran just southwest of Springfiled KSPI &#8212; which could be seen on the Day\/Night Band image at 08:09 UTC or 2:09 AM local time, and again during the daytime at 17:50 UTC or 11:50 AM local time <strong><em>(below)<\/em><\/strong>.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/02\/130201_suomi_npp_viirs_dnb_vis_illinois_anim.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/02\/130201_suomi_npp_viirs_dnb_vis_illinois_anim.gif\" width=\"480\" height=\"360\" alt=\"Suomi NPP VIIRS 0.7 \u00c2\u00b5m Day\/Night Band and 0.64 \u00c2\u00b5m visible channel images\" class \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS 0.7 \u00c2\u00b5m Day\/Night Band and 0.64 \u00c2\u00b5m visible channel images<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>On a comparison of AWIPS images of Suomi NPP VIIRS 0.7 \u00c2\u00b5m Day\/Night Band, 11.45 \u00c2\u00b5m IR channel, and IR brightness temperature difference &#8220;fog\/stratus product&#8221; data at 08:09 UTC or 2:09 AM local time on 01 February 2013 (above), one prominent feature that stood out across the middle of the Day\/Night Band image was the [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[49,48,5],"tags":[],"class_list":["post-12277","post","type-post","status-publish","format-standard","hentry","category-suomi_npp","category-viirs","category-winter-weather"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12277","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\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=12277"}],"version-history":[{"count":12,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12277\/revisions"}],"predecessor-version":[{"id":12289,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12277\/revisions\/12289"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=12277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=12277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=12277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}