{"id":23894,"date":"2017-05-04T22:02:33","date_gmt":"2017-05-04T22:02:33","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=23894"},"modified":"2017-05-05T20:22:33","modified_gmt":"2017-05-05T20:22:33","slug":"small-eddy-and-coastal-jet-off-the-coast-of-northern-california","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/23894","title":{"rendered":"Small Eddy and coastal jet off the coast of Northern California"},"content":{"rendered":"<div id=\"attachment_23896\" style=\"width: 635px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/GOES16_VIS_04MAY2017_1215_2200anim.mp4\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-23896\" class=\"wp-image-23896\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/GOES16_VIS_04MAY2017_171956.GIF\" alt=\"\" width=\"625\" height=\"469\" \/><\/a><p id=\"caption-attachment-23896\" class=\"wp-caption-text\">GOES-16 Visible (0.64 \u00b5m) from 1245 through 2200 UTC on 4 May 2017 (Click to play mp4 animation)<\/p><\/div>\n<p><strong>GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing.<\/strong><\/p>\n<p>One of the two GOES-16 Mesoscale Sectors was moved from its <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/23225\">default position<\/a> over the eastern United States and placed over the west coast of the United States on 4 May 2017. This allowed 1-minute imagery of a small-scale coastal eddy between <a href=\"https:\/\/www.google.com\/maps\/place\/Cape+Mendocino\/@40.4401316,-124.4795432,12z\/data=!4m5!3m4!1s0x54d438c313e94213:0x5db1b8ad22c3062a!8m2!3d40.4401316!4d-124.4095\">Cape Mendocino<\/a> and <a href=\"https:\/\/www.google.com\/maps\/place\/Point+St+George,+Crescent+City,+CA+95531\/@41.7836025,-124.2725838,14z\/data=!4m5!3m4!1s0x54d065cfebadb3bd:0xf9bfaaad6649fe46!8m2!3d41.776778!4d-124.248975\">Pt. St. George<\/a> near Crescent City, above, and an associated coastal jet. (Click <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/GOES16_VIS_04MAY2017_1215_2200anim.gif\">here to play 300-meg Animated Gif<\/a>;  alternatively, <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/2017_0504_1556_1900z_west_coast_viz_anim.gif\">this animation<\/a> shows the eddy from 1600-1900 UTC as displayed in AWIPS (courtesy Dan Miller, WFO DLH))<\/p>\n<p>A zoomed-in Visible animation of the coastal eddy is shown below; NWS Eureka <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/170504_keka_afd.text\">described<\/a> it as &#8220;one of the best examples of these coastal eddies seen in quite a while&#8221;.<\/p>\n<div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/170504_goes16_visible_CA_coastal_eddy_anim.mp4\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/960x1280_AGOES16_B2_G16_VIS_CA_VORTEX_04MAY2017_2017124_175956_0001PANEL.GIF\" alt=\"GOES-16 Visible (0.64 \u00b5m) images, with hourly surface reports plotted in yellow (Click to animate)\" width=\"640\" height=\"480\" \/><\/a><p class=\"wp-caption-text\">GOES-16 Visible (0.64 \u00b5m) images, with hourly surface reports plotted in yellow (Click to animate)<\/p><\/div>\n<p>GOES-16 Visible 0.64 \u00b5m imagery is able to capture not only the eddy, but also the northerly low-level jet that develops off the coast of Cape Mendocino, swiftly moving clouds southward around that feature. A small eddy also develops south of Cape Mendocino. Note also the abundance of cirrus clouds flowing northward along the coast.<\/p>\n<p>The dimensions of this eddy are approximately 70 km in the along-shore direction and 55 km perpendicular to the shore, yet GOES-16 is able to capture and resolve many small-scale cloud bands. The small cloud band streaming south around Cape Mendocino, for example, is only about 6 km wide and is well-resolved; if GOES-16 becomes GOES-East at 75 W Longitude, this is the type of resolution that can be expected in Salt Lake City.<\/p>\n<p>It should be noted that none of the models (including the hourly <a href=\"http:\/\/www.nco.ncep.noaa.gov\/pmb\/products\/rtma\/\">RTMA<\/a>, below) resolved this eddy feature.<\/p>\n<div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/170504_2054utc_suomi_npp_viirs_visible_rtma_surface_winds_CA_vortex_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/170504_2054utc_suomi_npp_viirs_visible_rtma_surface_winds_CA_vortex_anim.gif\" alt=\"Suomi NPP VIIRS Visible (0.64 \u00b5m) image, with RTMA surface winds {Click to enlarge)\" width=\"640\" height=\"472\" \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS Visible (0.64 \u00b5m) image, with RTMA surface winds {Click to enlarge)<\/p><\/div>\n<p>Thanks to Dan Miller, Science and Operations Officer (SOO) in Duluth for calling this awesome feature to our attention!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing. One of the two GOES-16 Mesoscale Sectors was moved from its default position over the eastern United States and placed over the west coast of the United States on 4 May 2017. This allowed 1-minute imagery of a small-scale coastal eddy [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":23895,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,49,48],"tags":[],"class_list":["post-23894","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/23894","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=23894"}],"version-history":[{"count":20,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/23894\/revisions"}],"predecessor-version":[{"id":23923,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/23894\/revisions\/23923"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/23895"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=23894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=23894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=23894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}