{"id":17773,"date":"2019-06-03T17:04:00","date_gmt":"2019-06-03T22:04:00","guid":{"rendered":"https:\/\/inside.nssl.noaa.gov\/ewp\/?p=17773"},"modified":"2019-06-03T18:05:05","modified_gmt":"2019-06-03T23:05:05","slug":"utilizing-azshear-and-velocity","status":"publish","type":"post","link":"https:\/\/inside.nssl.noaa.gov\/ewp\/2019\/06\/03\/utilizing-azshear-and-velocity\/","title":{"rendered":"Utilizing AzShear and Velocity"},"content":{"rendered":"<p>We&#8217;re comparing AzShear to velocity, SRM, and reflectivity data. I started off focusing on the cell with the longest touchdown near the Mississippi Alabama border. If I was forecasting this event real time the AzShear would help to increase my confidence in length of the period the tornado was on the ground. That&#8217;s due to the comparison between the AzShear and SRM.<\/p>\n<p>The rotation signature on the SRM alone appears to weaken as the cell gets closer to Alabama.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17791\" src=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-57-35.png\" alt=\"\" width=\"1873\" height=\"705\" srcset=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-57-35.png 1873w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-57-35-900x339.png 900w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-57-35-768x289.png 768w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-57-35-1800x678.png 1800w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-57-35-600x226.png 600w\" sizes=\"auto, (max-width: 767px) 100vw, (max-width: 1200px) 60vw, 720px\" \/><\/p>\n<p>Meanwhile, the AzShear holds onto a stronger signature longer aligning more with the actual touchdown. In that case it&#8217;s more helpful.\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17790\" src=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-36-53.png\" alt=\"\" width=\"1820\" height=\"706\" srcset=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-36-53.png 1820w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-36-53-900x349.png 900w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-36-53-768x298.png 768w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-36-53-1800x698.png 1800w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/Screenshot-from-2019-06-03-21-36-53-600x233.png 600w\" sizes=\"auto, (max-width: 767px) 100vw, (max-width: 1200px) 60vw, 720px\" \/><\/p>\n<p>The only difficulty for me is reprogramming my brain to not look at AzShear the same way I look at velocity. I&#8217;m accustomed to finding the couplet, and it&#8217;s tempting to do the same with the AzShear product.<\/p>\n<p>AzShear was also helpful in analyzing the southernmost cell that was also showing rotation. Since it was farther from the radar site my confidence in a possible tornado was increased due to the max in the AzShear.<\/p>\n<p>It stands out more in comparison to the velocity data. The cell doesn&#8217;t have your typical look of a supercell so reflectivity wasn&#8217;t as helpful.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17805\" src=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/southern-cell.png\" alt=\"\" width=\"1885\" height=\"774\" srcset=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/southern-cell.png 1885w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/southern-cell-900x370.png 900w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/southern-cell-768x315.png 768w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/southern-cell-1800x739.png 1800w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2019\/06\/southern-cell-600x246.png 600w\" sizes=\"auto, (max-width: 767px) 100vw, (max-width: 1200px) 60vw, 720px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Taylor Johnson<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We&#8217;re comparing AzShear to velocity, SRM, and reflectivity data. I started off focusing on the cell with the longest touchdown near the Mississippi Alabama border. If I was forecasting this&#8230; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/inside.nssl.noaa.gov\/ewp\/2019\/06\/03\/utilizing-azshear-and-velocity\/\" class=\"more-link\">Read more \u00bb<\/a><\/p>\n","protected":false},"author":137,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-17773","post","type-post","status-publish","format-standard","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/posts\/17773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/users\/137"}],"replies":[{"embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/comments?post=17773"}],"version-history":[{"count":3,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/posts\/17773\/revisions"}],"predecessor-version":[{"id":17806,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/posts\/17773\/revisions\/17806"}],"wp:attachment":[{"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/media?parent=17773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/categories?post=17773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/tags?post=17773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}