{"id":9260,"date":"2014-05-22T17:50:09","date_gmt":"2014-05-22T22:50:09","guid":{"rendered":"http:\/\/hwt.nssl.noaa.gov\/ewp\/internal\/blog\/?p=9260"},"modified":"2016-10-03T17:53:41","modified_gmt":"2016-10-03T22:53:41","slug":"ot-detection","status":"publish","type":"post","link":"https:\/\/inside.nssl.noaa.gov\/ewp\/2014\/05\/22\/ot-detection\/","title":{"rendered":"OT Detection"},"content":{"rendered":"<p><a href=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2240Z.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9261\" alt=\"May22nd 2240Z\" src=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2240Z.png\" width=\"1698\" height=\"902\" srcset=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2240Z.png 1698w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2240Z-300x159.png 300w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2240Z-768x408.png 768w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2240Z-1024x544.png 1024w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2240Z-500x266.png 500w\" sizes=\"auto, (max-width: 767px) 100vw, (max-width: 1200px) 60vw, 720px\" \/><\/a><\/p>\n<p>Another shot at the OT algorithm.\u00a0 The OTs are placed over the IR satellite in the upper left and are very much bias towards this imagery.<\/p>\n<p>Looking to the right at visible satellite imagery, clearly only one OT is evident in Gloucester and Atlantic County where 4 are showing.<\/p>\n<p>Thinking about how the forecaster IDs OTs on visibility, it appears to be a sharp\/rough contrast of colors that draw the eye in&#8230; versus a smoothness of color downstream.<\/p>\n<p>If there was a way to add this to the weighting of the algorithm it may help to discourage False Alarms.\u00a0\u00a0\u00a0 On the other hand that could force it to be a daytime only product&#8230;. Unless you set in a series of changing variables based on time and angle of the sun.<\/p>\n<p><a href=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2251Z.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9276\" alt=\"May22nd 2251Z\" src=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2251Z.png\" width=\"1698\" height=\"902\" srcset=\"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2251Z.png 1698w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2251Z-300x159.png 300w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2251Z-768x408.png 768w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2251Z-1024x544.png 1024w, https:\/\/inside.nssl.noaa.gov\/ewp\/wp-content\/uploads\/sites\/22\/2014\/05\/May22nd-2251Z-500x266.png 500w\" sizes=\"auto, (max-width: 767px) 100vw, (max-width: 1200px) 60vw, 720px\" \/><\/a><\/p>\n<p>Here we have a second OT Detect out over the Atlantic at the edge of the domain . This one does pretty good.\u00a0 This got me thinking&#8230; This Algorithm may be best used for someone like the AWC which needs as much data as possible in a data sparce area such as the oceans.<\/p>\n<p>If a greater than 50% chance of severe damage could be directly coorelated to OTs on land&#8230;. then they probably would be helpful in identifying Convective SIGMETs areas in a data sparse region over the ocean.<\/p>\n<p>Just Ideas&#8230;<\/p>\n<p>Grant H.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Another shot at the OT algorithm.\u00a0 The OTs are placed over the IR satellite in the upper left and are very much bias towards this imagery. Looking to the right&#8230; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/inside.nssl.noaa.gov\/ewp\/2014\/05\/22\/ot-detection\/\" class=\"more-link\">Read more \u00bb<\/a><\/p>\n","protected":false},"author":75,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-9260","post","type-post","status-publish","format-standard","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/posts\/9260","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\/75"}],"replies":[{"embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/comments?post=9260"}],"version-history":[{"count":1,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/posts\/9260\/revisions"}],"predecessor-version":[{"id":13849,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/posts\/9260\/revisions\/13849"}],"wp:attachment":[{"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/media?parent=9260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/categories?post=9260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/ewp\/wp-json\/wp\/v2\/tags?post=9260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}