{"id":18838,"date":"2021-05-20T16:21:01","date_gmt":"2021-05-20T21:21:01","guid":{"rendered":"https:\/\/inside.nssl.noaa.gov\/ewp\/?p=18838"},"modified":"2021-05-20T16:21:01","modified_gmt":"2021-05-20T21:21:01","slug":"good-nmda-and-ntda-performance-in-ia-tornadoes","status":"publish","type":"post","link":"https:\/\/inside.nssl.noaa.gov\/ewp\/2021\/05\/20\/good-nmda-and-ntda-performance-in-ia-tornadoes\/","title":{"rendered":"Good NMDA and NTDA Performance in IA Tornadoes"},"content":{"rendered":"<p>DMX<\/p>\n<p>Here\u2019s a series of screenshots showing how both algorithms increased detections and intensity as the event evolved.<\/p>\n<figure id=\"attachment_18839\" aria-describedby=\"caption-attachment-18839\" style=\"width: 1173px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-18839\" src=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_1.png\" alt=\"\" width=\"1173\" height=\"653\" srcset=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_1.png 1173w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_1-900x501.png 900w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_1-768x428.png 768w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_1-600x334.png 600w\" sizes=\"auto, (max-width: 767px) 100vw, (max-width: 1200px) 60vw, 720px\" \/><\/a><figcaption id=\"caption-attachment-18839\" class=\"wp-caption-text\">DMX 2035Z<\/figcaption><\/figure>\n<figure id=\"attachment_18840\" aria-describedby=\"caption-attachment-18840\" style=\"width: 1093px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-18840\" src=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_2.png\" alt=\"\" width=\"1093\" height=\"655\" srcset=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_2.png 1093w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_2-900x539.png 900w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_2-768x460.png 768w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_2-600x360.png 600w\" sizes=\"auto, (max-width: 767px) 100vw, (max-width: 1200px) 60vw, 720px\" \/><\/a><figcaption id=\"caption-attachment-18840\" class=\"wp-caption-text\">DMX 2058Z<\/figcaption><\/figure>\n<figure id=\"attachment_18841\" aria-describedby=\"caption-attachment-18841\" style=\"width: 1026px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-18841\" src=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_3.png\" alt=\"\" width=\"1026\" height=\"666\" srcset=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_3.png 1026w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_3-900x584.png 900w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_3-768x499.png 768w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_3-600x389.png 600w\" sizes=\"auto, (max-width: 767px) 100vw, (max-width: 1200px) 60vw, 720px\" \/><\/a><figcaption id=\"caption-attachment-18841\" class=\"wp-caption-text\">DMX 2116Z<\/figcaption><\/figure>\n<figure id=\"attachment_18842\" aria-describedby=\"caption-attachment-18842\" style=\"width: 1127px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-18842\" src=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_4.png\" alt=\"\" width=\"1127\" height=\"719\" srcset=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_4.png 1127w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_4-900x574.png 900w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_4-768x490.png 768w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2021\/05\/good_nmda_ntda_20210519_beltzer_4-600x383.png 600w\" sizes=\"auto, (max-width: 767px) 100vw, (max-width: 1200px) 60vw, 720px\" \/><\/a><figcaption id=\"caption-attachment-18842\" class=\"wp-caption-text\">DMX 2128Z<\/figcaption><\/figure>\n<p>After a difficult start to this event in which both algorithms had an absence of detections despite multiple reports of tornadoes and funnel clouds (likely due to very limited Z in the area of weak rotational couplets), both algorithms performed much later in the event when two dominant supercells emerged as the primary threats. Both algorithms showed an increase in intensity coincident with increasing rotational velocity, and for the most part, tracked these features well.<\/p>\n<p>It\u2019s good to see these algorithms do well in relatively obvious situations, because if they can\u2019t get these right, it\u2019d be hard to use these operationally with much confidence.<\/p>\n<p>&#8211; Beltzer<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DMX Here\u2019s a series of screenshots showing how both algorithms increased detections and intensity as the event evolved. After a difficult start to this event in which both algorithms had&#8230; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/inside.nssl.noaa.gov\/ewp\/2021\/05\/20\/good-nmda-and-ntda-performance-in-ia-tornadoes\/\" class=\"more-link\">Read more \u00bb<\/a><\/p>\n","protected":false},"author":139,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,79],"class_list":["post-18838","post","type-post","status-publish","format-standard","hentry","category-news","tag-nmda","tag-ntda"],"_links":{"self":[{"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/posts\/18838","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\/139"}],"replies":[{"embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/comments?post=18838"}],"version-history":[{"count":1,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/posts\/18838\/revisions"}],"predecessor-version":[{"id":18843,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/posts\/18838\/revisions\/18843"}],"wp:attachment":[{"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/media?parent=18838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/categories?post=18838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/tags?post=18838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}