{"id":12131,"date":"2013-01-10T23:59:18","date_gmt":"2013-01-10T23:59:18","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=12131"},"modified":"2013-01-12T18:36:50","modified_gmt":"2013-01-12T18:36:50","slug":"vog-plume-streaming-off-the-island-of-hawaii","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/12131","title":{"rendered":"Vog plume streaming off the island of Hawaii"},"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\/01\/130110_suomi_npp_viirs_vis_swir_ir_HI_anim.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/01\/130110_suomi_npp_viirs_vis_swir_ir_HI_anim.gif\" width=\"480\" height=\"380\" alt=\"Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel, 3.74 \u00c2\u00b5m shortwave IR channel, and 11.45 \u00c2\u00b5m IR channel images\" class \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel, 3.74 \u00c2\u00b5m shortwave IR channel, and 11.45 \u00c2\u00b5m IR channel images<\/p><\/div>\n<p>A comparison of AWIPS images of Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel, 3.74 \u00c2\u00b5m shortwave IR channel, and 11.45 \u00c2\u00b5m IR channel data <strong><em>(above)<\/em><\/strong> showed a broad &#8220;<strong><a href=\"http:\/\/en.wikipedia.org\/wiki\/Vog\" title=\"Vog (Wikipedia)\">vog<\/a><\/strong>&#8221; plume streaming westward off the Big Island of Hawaii on <strong><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/01\/130110_18z_opc_tropical_surface_analysis.jpg\" title=\"18 UTC tropical surface analysis (Ocean Prediction Center)\">10 January 2013<\/a><\/strong>. The primary source of this vog plume was likely the active <strong><a href=\"http:\/\/en.wikipedia.org\/wiki\/Kilauea\" title=\"Kilauea (Wikipedia)\">Kilauea<\/a><\/strong> volcano &#8212; and the 3.64 \u00c2\u00b5m shortwave IR image revealed a small &#8220;<strong><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/01\/VIIRS_3.74_BT_20130110_2258_hot_spot.png\" title=\"Hot spot on VIIRS shortwave IR image\">hot spot<\/a><\/strong>&#8221; at the summit of the volcano, which exhibited a brightness temperature value of 49.5\u00c2\u00ba C <em>(orange color enhancement)<\/em>.<\/p>\n<p>The VIIRS 0.64 \u00c2\u00b5m visible channel image with an overlay of 1-hour interval MADIS atmospheric motion vectors <em>(or &#8220;satellite cloud-tracked winds&#8221;)<\/em> showed the typical easterly trade wind flow regime that usually transports the vog plume westward away from the Hawaiian Islands <strong><em>(below)<\/em><\/strong>. However, synoptic-scale disturbances that disrupt this trade wind flow can cause the vog plume to move over inhabitied portions of the islands, causing air quality problems. <\/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\/01\/1050mb-900mb_1h_Sat_Winds_20130110_2300.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/01\/1050mb-900mb_1h_Sat_Winds_20130110_2300.png\" width=\"480\" height=\"380\" alt=\"Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel image + MADIS 1-hour interval atmospheric motion vectors\" class \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel image + MADIS 1-hour interval atmospheric motion vectors<\/p><\/div>\n<p>Other examples of Hawaiian vog plumes can be found <strong><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?s=vog\" title=\"Vog plume examples on the CIMSS Satellite Blog\">here<\/a><\/strong> on the CIMSS Satellite Blog.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A comparison of AWIPS images of Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel, 3.74 \u00c2\u00b5m shortwave IR channel, and 11.45 \u00c2\u00b5m IR channel data (above) showed a broad &#8220;vog&#8221; plume streaming westward off the Big Island of Hawaii on 10 January 2013. The primary source of this vog plume was likely the active Kilauea volcano [&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":[7,49,48],"tags":[],"class_list":["post-12131","post","type-post","status-publish","format-standard","hentry","category-air-quality","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12131","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=12131"}],"version-history":[{"count":2,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12131\/revisions"}],"predecessor-version":[{"id":12135,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12131\/revisions\/12135"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=12131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=12131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=12131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}