{"id":26118,"date":"2017-11-18T18:59:27","date_gmt":"2017-11-18T18:59:27","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=26118"},"modified":"2021-12-27T16:35:30","modified_gmt":"2021-12-27T16:35:30","slug":"satellite-signatures-of-jpss-1-launch","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/26118","title":{"rendered":"Satellite signatures of the JPSS-1 launch"},"content":{"rendered":"

\"Suomi<\/a>

Suomi NPP VIIRS Day\/Night Band (0.7 \u00b5m) image [click to enlarge]<\/p><\/div>The JPSS-1<\/strong><\/a> satellite was successfully launched at 0947 UTC (1:47 AM local time) on 18 November 2017 from Vandenberg Air Force Base, California (Spaceflight Now<\/strong><\/a>). A Suomi NPP VIIRS Day\/Night Band (0.7 \u00b5m) image about 22 minutes prior to launch (above; <\/strong>courtesy of William Straka, CIMSS)<\/strong><\/em> showed light emitted by the launch facility as well as nearby cites and offshore buoys.<\/p>\n

A comparison of 3 consecutive images of GOES-16 Near-Infrared “Snow\/Ice” (1.61 \u00b5m<\/strong><\/a>), Near-Infrared “Cloud Particle Size” (2.24 \u00b5m<\/strong><\/a>) and Shortwave Infrared (3.9 mm<\/strong><\/a>) data (below)<\/strong><\/em> revealed the thermal signature of the launch rocket booster engines at 0947 UTC<\/strong><\/a> (just west of the California coast). The hot thermal signature is brighter white on the Near-Infrared images, and darker gray on the Shortwave Infrared image. Nearby 09 UTC surface observations are also plotted (KVBG = Vandenberg AFB).<\/p>\n

\"GOES-16<\/a>

GOES-16 Near-Infrared “Snow\/Ice” (1.61 \u00b5m, left), Near-Infrared “Cloud Particle Size” (2.24 \u00b5m, center) and Shortwave Infrared (3.9 mm, right) images, with plots of surface observations [click to enlarge]<\/p><\/div>Since the GOES-16 Water Vapor bands — Lower-level 7.3 \u00b5m<\/strong><\/a>, Mid-level 6.9 \u00b5m<\/strong><\/a> and Upper-level 6.2 \u00b5m<\/strong><\/a> —  are essentially Infrared bands (which sense the mean temperature of a layer<\/em> of moisture), a warm thermal signature was evident on all three of the 0947 UTC images (below)<\/strong><\/em>.<\/p>\n

\"GOES-16<\/a>

GOES-16 Lower-level (7.3 \u00b5m, left), Mid-level (6.9 \u00b5m, center) and Upper-level (6.2 \u00b5m, right) Water Vapor images, with plots of surface reports [click to enlarge]<\/p><\/div>Read about SSEC scientists\u2019 efforts to calibrate and validate CrIS and VIIRS on JPSS-1 here<\/strong><\/a>.<\/p>\n

* GOES-16 data posted on this page are preliminary, non-operational and are undergoing testing *<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

The JPSS-1 satellite was successfully launched at 0947 UTC (1:47 AM local time) on 18 November 2017 from Vandenberg Air Force Base, California (Spaceflight Now). A Suomi NPP VIIRS Day\/Night Band (0.7 \u00b5m) image about 22 minutes prior to launch (above; courtesy of William Straka, CIMSS) showed light emitted by the launch facility as well […]<\/p>\n","protected":false},"author":18,"featured_media":26121,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,77,106,49,48],"tags":[],"class_list":["post-26118","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-jpss-1","category-rocket-signatures","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/26118","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=26118"}],"version-history":[{"count":14,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/26118\/revisions"}],"predecessor-version":[{"id":44008,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/26118\/revisions\/44008"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/26121"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=26118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=26118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=26118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}