{"id":38015,"date":"2020-08-24T14:11:43","date_gmt":"2020-08-24T14:11:43","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=38015"},"modified":"2020-08-24T14:15:03","modified_gmt":"2020-08-24T14:15:03","slug":"marco-is-sheared-apart-in-the-northern-gulf-of-mexico","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/38015","title":{"rendered":"Marco is sheared apart in the northern Gulf of Mexico"},"content":{"rendered":"
\"\"<\/a>

GOES-16 Low-level Water Vapor Infrared imagery (7.34 \u00b5m), half-hourly from 0116 thorugh 1316 UTC, 24 August 2020, overlain with GOES-16 derived motion wind vectors at 250-350 mb (red) and Surface-900 mb (blue) (Click to animate)<\/p><\/div>\n

Tropical system Marco (formerly a category 1 Hurricane<\/a>) was weakened by shear overnight and early morning on 24 August (as forecast).\u00a0 The half-hourly animation above, of GOES-16 Band 10, i.e.<\/em>, infrared “low-level” water vapor (7.3 \u00b5m), overlain with derived motion winds at upper (red) and lower (blue) levels (Click here<\/a> to see only the water vapor animation;\u00a0 here<\/a> is the shear analysis from the SSEC Tropical website<\/a>; Note in the animation how the number of low-level vectors increases greatly at the end of the animation as visible imagery becomes available at sunrise.\u00a0 Also:\u00a0 the shear in the eastern part of the domain, over the Florida Straits, suggests a favorable environment for Tropical Cyclone Laura<\/a>, approaching western Cuba from the east) shows the effect of shearing.<\/p>\n

Low level easterlies and upper-level southwesterlies mean that the vertical structure of the storm was interrupted:\u00a0 the low-level circulation decoupled from the upper-level.\u00a0 \u00a0That is, the low-level circulation moved to the west as the mid- and upper-level parts of the storm moved north and east.\u00a0 Result:\u00a0 By sunrise, visible imagery (0.64 \u00b5m) showed the low-level swirl of the elongating near-surface circulation southeast of the mouth of the Mississippi River, and south and west of the main convection over and offshore of the northwest Florida panhandle.<\/p>\n

\"\"<\/a>

GOES-16 Visible Imagery (0.64 \u00b5m) from Mesoscale Sector 2, 1129-1328 UTC 24 August 2020 (Click to enlarge)<\/p><\/div>\n

For more information on Tropical Storm Marco<\/a>, refer to the pages of the National Hurricane Center<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Tropical system Marco (formerly a category 1 Hurricane) was weakened by shear overnight and early morning on 24 August (as forecast).\u00a0 The half-hourly animation above, of GOES-16 Band 10, i.e., infrared “low-level” water vapor (7.3 \u00b5m), overlain with derived motion winds at upper (red) and lower (blue) levels (Click here to see only the water […]<\/p>\n","protected":false},"author":19,"featured_media":38023,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,2],"tags":[],"class_list":["post-38015","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-tropical-cyclones"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38015","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=38015"}],"version-history":[{"count":14,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38015\/revisions"}],"predecessor-version":[{"id":38035,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38015\/revisions\/38035"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/38023"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=38015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=38015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=38015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}