{"id":29222,"date":"2018-08-06T23:59:39","date_gmt":"2018-08-06T23:59:39","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=29222"},"modified":"2018-08-07T23:42:49","modified_gmt":"2018-08-07T23:42:49","slug":"hurricane-hector","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/29222","title":{"rendered":"Hurricane Hector"},"content":{"rendered":"
\"NOAA-20<\/a>

NOAA-20 and Suomi NPP VIIRS Infrared Window (11.45 \u00b5m)<\/em> images [click to enlarge]<\/p><\/div>\n

* GOES-17 images shown here are preliminary and non-operational *<\/strong><\/p>\n

A toggle between NOAA-20 and Suomi NPP VIIRS Infrared Window (11.45 \u00b5m)<\/em> images (above;<\/strong> courtesy of William Straka, CIMSS)<\/strong> <\/em>showed the well-defined eye of Hurricane Hector after it had reached Category 4 intensity on 06 August 2018 (advisories: EPAC<\/strong><\/a> | CPAC<\/strong><\/a>).<\/p>\n

GOES-17 “Red” Visible (0.64 \u00b5m) images (below)<\/strong><\/em> revealed cloud-top gravity waves within the eyewall region of the storm, along with thin filaments of transverse banding in the northern semicircle farther from the eye.<\/p>\n

\"GOES-17<\/a>

GOES-17 “Red” Visible (0.64 \u00b5m)<\/em> images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>GOES-15 (GOES-West)<\/em> Visible (0.63 \u00b5m) and Infrared Window (10.7 \u00b5m) images (below)<\/strong><\/em> showed that eyewall cloud-top infrared brightness temperatures were in the -70 to -80\u00baC range (black to white enhancement)<\/em>.<\/p>\n

\"GOES-15<\/a>

GOES-15 Visible (0.63 \u00b5m, left)<\/em> and Infrared Window (10.7 \u00b5m, right)<\/em> images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>A magnified view of GOES-15 Visible images (below)<\/strong><\/em> revealed mesovortices within the eye of Hector.<\/p>\n

\"GOES-15<\/a>

GOES-15 Visible (0.63 \u00b5m)<\/em> images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>Metop ASCAT surface scatterometer winds (below)<\/strong><\/em> surrounding the eye were near 70 knots around 1930 UTC.<\/p>\n

\"GOES-15<\/a>

GOES-15 Infrared Window (10.7 \u00b5m)<\/em> image and Metop ASCAT surface scatterometer winds [click to enlarge]<\/p><\/div>The MIMIC-TC<\/strong><\/a> morphed microwave product (below)<\/strong><\/em> showed that Hector underwent an eyewall replacement cycle early in the day on 05 August, and then maintained a well-defined eye as it subsequently strengthened to a high-end Category 4 intensity on 06 August (ADT<\/strong><\/a> | SATCON<\/strong><\/a>).<\/p>\n

\"MIMIC-TC<\/a>

MIMIC-TC morphed microwave product [click to play animation]<\/p><\/div>\n

===== 07 August Update =====<\/strong><\/p>\n

\"NOAA-20<\/a>

NOAA-20 VIIRS Day\/Night Band (0.7 \u00b5m)<\/em> and Infrared Window (11.45 \u00b5m)<\/em> images [click to enlarge]<\/p><\/div>A nighttime NOAA-20 VIIRS Day\/Night Band (0.7 \u00b5m) image (above)<\/strong><\/em> revealed the presence of mesospheric airglow waves (reference<\/strong><\/a>) propagating northwestward away from Category 4 Hurricane Hector on 07 August. Note that these high-altitude waves were not apparent on the corresponding Infrared Window (11.45 \u00b5m) image.<\/p>\n","protected":false},"excerpt":{"rendered":"

* GOES-17 images shown here are preliminary and non-operational * A toggle between NOAA-20 and Suomi NPP VIIRS Infrared Window (11.45 \u00b5m) images (above; courtesy of William Straka, CIMSS) showed the well-defined eye of Hurricane Hector after it had reached Category 4 intensity on 06 August 2018 (advisories: EPAC | CPAC). GOES-17 “Red” Visible (0.64 […]<\/p>\n","protected":false},"author":18,"featured_media":29235,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43,80,58,79,78,25,49,2,48],"tags":[],"class_list":["post-29222","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-15","category-goes-17","category-metop","category-microwave","category-noaa-20","category-satellite-winds","category-suomi_npp","category-tropical-cyclones","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/29222","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=29222"}],"version-history":[{"count":6,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/29222\/revisions"}],"predecessor-version":[{"id":29229,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/29222\/revisions\/29229"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/29235"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=29222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=29222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=29222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}