{"id":33702,"date":"2019-07-11T18:56:12","date_gmt":"2019-07-11T18:56:12","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=33702"},"modified":"2019-07-18T21:09:02","modified_gmt":"2019-07-18T21:09:02","slug":"tropical-storm-barry-2","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/33702","title":{"rendered":"Tropical Storm Barry"},"content":{"rendered":"

\"GOES-16<\/a>

GOES-16 “Red” Visible (0.64 \u00b5m)<\/em> and “Clean” Infrared Window (10.35 \u00b5m)<\/em> images, with plots of buoy and ship reports [click to play MP4 animation]<\/p><\/div>Tropical Storm Barry<\/strong><\/a> formed in the far northern Gulf of Mexico on 11 July 2019<\/strong><\/a> — 1-minute Mesoscale Domain Sector<\/strong><\/a> GOES-16 (GOES-East)<\/em> “Red” Visible (0.64 \u00b5m<\/strong><\/a>) and “Clean” Infrared Window (10.35 \u00b5m<\/strong><\/a>) images (above)<\/strong><\/em> displayed increasing convection associated with the tropical cyclone. The coldest cloud-top infrared brightness temperatures were -86\u00baC.<\/p>\n

As was seen in an animation of GOES-16 Infrared imagery from the CIMSS Tropical Cyclones<\/strong><\/a> site (below)<\/strong>, <\/em>Barry was in an environment of low deep-layer wind shear<\/strong><\/a> — a factor that was favorable for further intensification.<\/p>\n

\"GOES-16<\/a>

GOES-16 Infrared (11.2 \u00b5m)<\/em> images, with contours of deep-layer wind shear [click to enlarge]<\/p><\/div>\n

===== 12 July Update =====<\/strong><\/p>\n

\"GOES-16<\/a>

GOES-16 “Red” Visible (0.64 \u00b5m)<\/em> images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>1-minute GOES-16 Visible images (above)<\/strong><\/em> revealed a mesovortex that was rotating counter-clockwise around the low-level circulation center of Barry, which was approaching the coast of Louisiana on 12 July. Note that the METAR site located immediately east of the mesovortex around 17 UTC<\/strong><\/a> — KMDJ, Mississippi Canyon Oil Platform — had a wind gust of 73 knots or 84 mph around that time (and later had a wind gust to 90 mph<\/strong><\/a> at 2135 UTC or 4:35 PM CDT)<\/p>\n

The corresponding GOES-16 Infrared images (below)<\/strong> <\/em>showed that deep convection remained to the south of the center of Barry.<\/p>\n

\"<\/a>

GOES-16 “Clean” Infrared Window (10.35 \u00b5m)<\/em> images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>\n

===== 17 July Update =====<\/strong><\/p>\n

\"Aqua<\/a>

Aqua MODIS Sea Surface Temperature product on 09 July [click to enlarge]<\/p><\/div>An Aqua MODIS Sea Surface Temperature image 2 days prior to the formation of Tropical Storm Barry (above)<\/strong><\/em> showed SST values in the upper 80s to low 90s F (darker shades of orange to red)<\/em> in the northern Gulf of Mexico just south of Louisiana.<\/p>\n

8 days later, a Terra MODIS SST image (below)<\/strong><\/em> revealed values predominantly in the lower to middle 80s F (green to yellow enhancement)<\/em> — the slow movement of Barry as it eventually reached hurricane intensity just prior to landfall induced an upwelling of cooler sub-surface water over that area.<\/p>\n

\"Terra<\/a>

Terra MODIS Sea Surface Temperature product on 17 July [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

Tropical Storm Barry formed in the far northern Gulf of Mexico on 11 July 2019 — 1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 \u00b5m) and “Clean” Infrared Window (10.35 \u00b5m) images (above) displayed increasing convection associated with the tropical cyclone. The coldest cloud-top infrared brightness temperatures were -86\u00baC. As was seen in an […]<\/p>\n","protected":false},"author":18,"featured_media":33712,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[70,74,12,25,71,2],"tags":[],"class_list":["post-33702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aqua","category-goes-16","category-modis","category-satellite-winds","category-terra","category-tropical-cyclones"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/33702","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=33702"}],"version-history":[{"count":20,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/33702\/revisions"}],"predecessor-version":[{"id":33751,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/33702\/revisions\/33751"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/33712"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=33702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=33702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=33702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}