{"id":20967,"date":"2016-03-19T23:59:30","date_gmt":"2016-03-19T23:59:30","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=20967"},"modified":"2016-03-22T12:50:11","modified_gmt":"2016-03-22T12:50:11","slug":"2-west-pacific-storms-as-seen-with-3-himawari-8-water-vapor-bands","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/20967","title":{"rendered":"2 West Pacific storms, as seen using 3 Himawari-8 water vapor bands"},"content":{"rendered":"

\"Himawari-8<\/a>

Himawari-8 Water Vapor images: 6.2 \u00b5m (top), 6.9 \u00b5m (middle), and 7.3 \u00b5m (bottom) – [click to play MP4 animation]<\/p><\/div>The Himawari-8 AHI<\/strong><\/a> instrument has 3 water vapor bands, centered at 6.2 \u00b5m, 6.9 \u00b5m, and 7.3 \u00b5m. Images of these 3 water vapor bands (above; <\/strong>also available as a large 126 Mbyte animated GIF<\/a>)<\/strong><\/em> showed the intensification of a mid-latitude cyclone as it moved east of Japan during the 17-19 March 2016 period. Surface analyses of this storm produced by the Ocean Prediction Center<\/strong><\/a> are shown below.<\/p>\n

\"West<\/a>

West Pacific surface analyses [click to play animation]<\/p><\/div>\n

—————————————————————————————————<\/p>\n

\"Himawari-8<\/a>

Himawari-8 Water Wapor images: 7.3 \u00b5m (left), 6.9 \u00b5m (center), and 6.2 \u00b5m (right) – [click to play MP4 animation]<\/p><\/div>Several days earlier (during 14-16 March), another storm just off the coast of Japan rapidly intensified to hurricane force as it moved north-northeastward toward the southern tip of the Kamchatka Peninsula. A comparison of the three Himawari-8 AHI water vapor bands (above; <\/strong>also available as a large 109 Mbyte animated GIF<\/a>)<\/strong><\/em> depicted varying aspects of the storm evolution. The corresponding Ocean Prediction Center surface analyses are shown below.<\/p>\n

\"West<\/a>

West Pacific surface analyses [click to play animation]<\/p><\/div>The GOES-R<\/strong><\/a> ABI<\/strong><\/a> instrument will have nearly identical water vapor bands; plots of their weighting functions (below, <\/strong>from this site<\/a>)<\/strong><\/em> show that each of these 3 spectral bands senses radiation from different layers of the atmosphere. This example assumes a typical cold mid-latitude winter temperature\/moisture vertical profile, with a satellite view angle (or “zenith angle”) of 45 degrees.<\/p>\n

\"GOES-R<\/a>

GOES-R ABI water vapor band weighting function plots<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

The Himawari-8 AHI instrument has 3 water vapor bands, centered at 6.2 \u00b5m, 6.9 \u00b5m, and 7.3 \u00b5m. Images of these 3 water vapor bands (above; also available as a large 126 Mbyte animated GIF) showed the intensification of a mid-latitude cyclone as it moved east of Japan during the 17-19 March 2016 period. Surface […]<\/p>\n","protected":false},"author":18,"featured_media":20969,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[34,62],"tags":[],"class_list":["post-20967","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-r","category-himawari-8"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/20967","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=20967"}],"version-history":[{"count":8,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/20967\/revisions"}],"predecessor-version":[{"id":20976,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/20967\/revisions\/20976"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/20969"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=20967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=20967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=20967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}