{"id":16326,"date":"2014-08-04T15:00:44","date_gmt":"2014-08-04T15:00:44","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=16326"},"modified":"2014-08-05T22:14:50","modified_gmt":"2014-08-05T22:14:50","slug":"mesovortices-within-the-eye-of-hurricane-iselle","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/16326","title":{"rendered":"Mesovortices within the eye of Hurricane Iselle"},"content":{"rendered":"
\"GOES-15<\/a>

GOES-15 0.63 \u00b5m visible channel images (click to play animation)<\/p><\/div>\n

GOES-15 0.63 \u00b5m visible channel images (above; click to play animation; also available as an MP4 movie<\/a>)<\/strong><\/em> revealed the presence of mesovortices within the eye of Category 4 Hurricane Iselle<\/strong><\/a> on 04 August 2014. Mesovortices are sometimes seen in the eye and eyewall of tropical cyclones that are going through a period of intensification.<\/p>\n

Before sunrise, a 10:30 UTC comparison of GOES-15 10.7 \u00b5m IR and TRMM TMI 85 GHz microwave images from the CIMSS Tropical Cyclones<\/strong><\/a> site (below)<\/strong><\/em> showed that Iselle was beginning to exhibit the appearance of an annular hurricane; note that the ring of high-intensity rainfall within the eyewall was much larger on the microwave image than the “cloud-free” eye that was seen on the IR image.<\/p>\n

\"GOES-15<\/a>

GOES-15 10.7 \u00b5m IR and TMI 85 GHz microwave images<\/p><\/div>\n

========================= Update, 5 August 2014 ==========================<\/p>\n

Hourly imagery from 1300 UTC on 4 August<\/a> to 1300 UTC 5 August<\/a> shows Iselle maintaining a generally westward track. Cloud-top temperatures have warmed over the 24 hours shown, however, and the eyewall is becoming less distinct. Iselle’s path has been over SSTs that are progressively cooler<\/a>. Further weakening is expected today.<\/p>\n

\"GOES-15<\/a>

GOES-15 10.7 \u00b5m infrared channel images (click to play animation)<\/p><\/div>\n

Suomi NPP overflew Iselle late in the afternoon of the 4th, and a true color image of the storm is shown below (Image Source: NOAA Hawaii X\/L Antenna). A mesovortex can be identified in the eye in this high-resolution image.<\/p>\n

\"Suomi<\/a>

Suomi NPP True Color Imagery of Iselle, 2300 UTC 4 August 2014 (click to enlarge)<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

GOES-15 0.63 \u00b5m visible channel images (above; click to play animation; also available as an MP4 movie) revealed the presence of mesovortices within the eye of Category 4 Hurricane Iselle on 04 August 2014. Mesovortices are sometimes seen in the eye and eyewall of tropical cyclones that are going through a period of intensification. Before […]<\/p>\n","protected":false},"author":18,"featured_media":16327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43,47,45,49,2],"tags":[],"class_list":["post-16326","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-15","category-other-satellites","category-redgreenblue-rgb-images","category-suomi_npp","category-tropical-cyclones"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/16326","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=16326"}],"version-history":[{"count":9,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/16326\/revisions"}],"predecessor-version":[{"id":16339,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/16326\/revisions\/16339"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/16327"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=16326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=16326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=16326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}