{"id":3215,"date":"2009-08-14T21:54:18","date_gmt":"2009-08-14T21:54:18","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=3215"},"modified":"2009-08-15T19:22:12","modified_gmt":"2009-08-15T19:22:12","slug":"mesoscale-vorticity-center-in-the-upper-midwest-region","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/3215","title":{"rendered":"Mesoscale Convective Vortex (MCV) in the Upper Midwest region"},"content":{"rendered":"
\"GOES-12<\/a>

GOES-12 10.7 \u00c2\u00b5m IR images<\/p><\/div>\n

AWIPS images of the GOES-12 10.7 \u00c2\u00b5m IR channel (above)<\/strong><\/em> showed a strong Mesoscale Convective System (MCS) that developed over\u00c2\u00a0 South Dakota on 13 August 2009<\/a>. <\/strong>This MCS spawned a long-lived Mesoscale Convective Vortex (MCV)\u00c2\u00a0 — sometimes referred to as a Mesocale Vorticity Center or MVC — that later helped to initiate another MCS over Minnesota and Wisconsin during the pre-dawn hours on 14 August 2009<\/strong><\/a>.<\/p>\n

\"GOES-12<\/a>

GOES-12 visible images<\/p><\/div>\n

The circulation of the MCV then continued to move northeastward across the Upper Peninsula of Michigan during the day on 14 August, as seen on an animation of GOES-12 visible images (above)<\/strong><\/em> and radar reflectivity (below)<\/strong><\/em>.<\/p>\n

\"Radar<\/a>

Radar reflectivity<\/p><\/div>\n

The Blended Total Precipitable Water (TPW) product (below)<\/strong><\/em> showed that there was a plume of higher moisture (TPW values of 37-41 mm or 1.5 to 1.6 inches)<\/em> feeding northeastward across Wisconsin into the Upper Peninsula, helping to sustain convective development in the vicinity of the MCV.<\/p>\n

\"Blended<\/a>

Blended TPW product + GOES-12 IR images<\/p><\/div>\n

Since the Atlantic Basin has been seemingly disinterested in producing any notable tropical cyclone activity so far this season, one had to look to the Upper Midwest region of the US for signs of any “tropical development”:<\/p>\n

\n
AREA FORECAST DISCUSSION\r\nNATIONAL WEATHER SERVICE MARQUETTE MI\r\n500 PM EDT FRI AUG 14 2009\r\n\r\n.SYNOPSIS...\r\n\r\nTO THE S...LAZY FLOW EXISTS ACROSS THE UPPER MISSISSIPPI VALLEY AND\r\nGREAT LAKES. AS A RESULT...MESOSCALE VORTICITY CENTER GENERATED BY\r\nCONVECTION IN SD TWO NIGHTS AGO AND NOW LOCATED OVER CNTRL UPPER MI\r\nIS STILL JUST DRIFTING ALONG IN AN ERLY DIRECTION. MVC CIRCULATION\r\nREMAINS VERYWELL-DEFINED...JUST AS IMPRESSIVE AS IT WAS 24HRS AGO\r\nDUE TO THE VERY LIGHT MID\/UPPER FLOW IN WHICH IT IS EMBEDDED. WEAK\r\nFLOW HASKEPT IT FROM SHEARING APART. IF THIS WAS LOCATED IN THE TROPICS...\r\nYOU WOULD THINK IT WAS A TROPICAL SYSTEM.<\/strong> ALTHOUGH COMPACT...TIGHT\r\nSPIRALING CLOUD CANOPY AROUND MVC HAS BEEN SUFFICIENT TO LIMIT AFTN\r\nHEATING...SO CONVECTIVE DEVELOPMENT HAS BEEN KEPT IN CHECK THIS AFTN.<\/pre>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"
AWIPS images of the GOES-12 10.7 \u00c2\u00b5m IR channel (above) showed a strong Mesoscale Convective System (MCS) that developed over\u00c2\u00a0 South Dakota on 13 August 2009. This MCS spawned a long-lived Mesoscale Convective Vortex (MCV)\u00c2\u00a0 — sometimes referred to as a Mesocale Vorticity Center or MVC — that later helped to initiate another MCS over […]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,3],"tags":[],"class_list":["post-3215","post","type-post","status-publish","format-standard","hentry","category-goes-12","category-severe-convection"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/3215","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=3215"}],"version-history":[{"count":16,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/3215\/revisions"}],"predecessor-version":[{"id":3222,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/3215\/revisions\/3222"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=3215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=3215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=3215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}