{"id":53,"date":"2016-05-26T19:49:32","date_gmt":"2016-05-27T00:49:32","guid":{"rendered":"https:\/\/inside.nssl.noaa.gov\/facets\/?p=53"},"modified":"2016-05-26T19:49:32","modified_gmt":"2016-05-27T00:49:32","slug":"phi-and-pulse-storms","status":"publish","type":"post","link":"https:\/\/inside.nssl.noaa.gov\/facets\/2016\/05\/phi-and-pulse-storms\/","title":{"rendered":"PHI and Pulse Storms"},"content":{"rendered":"<p>For the concept of probabilistic hazard information to be a viable paradigm for providing severe thunderstorm hazard information, it must be able to be robustly produced and utilized for all different modes of storms. \u00a0In this year&#8217;s PHI Prototype experiment, one of the historical cases being &#8220;worked&#8221; by the participants is a summer pulse severe storm episode from Georgia. \u00a0Below is an example of radar and corresponding PHI guidance produced by a blend of forecaster and algorithm output toward the end of the event.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-55\" src=\"https:\/\/inside.nssl.noaa.gov\/facets\/wp-content\/uploads\/sites\/20\/2016\/05\/End-of-sim-close-up-ATL-PHI-800x428.png\" alt=\"End of sim close up ATL PHI\" width=\"401\" height=\"214\" srcset=\"https:\/\/inside.nssl.noaa.gov\/facets\/wp-content\/uploads\/sites\/20\/2016\/05\/End-of-sim-close-up-ATL-PHI-800x428.png 800w, https:\/\/inside.nssl.noaa.gov\/facets\/wp-content\/uploads\/sites\/20\/2016\/05\/End-of-sim-close-up-ATL-PHI-768x411.png 768w, https:\/\/inside.nssl.noaa.gov\/facets\/wp-content\/uploads\/sites\/20\/2016\/05\/End-of-sim-close-up-ATL-PHI.png 1073w\" sizes=\"auto, (max-width: 767px) 100vw, (max-width: 1200px) 60vw, 720px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-56\" src=\"https:\/\/inside.nssl.noaa.gov\/facets\/wp-content\/uploads\/sites\/20\/2016\/05\/close_up_ATL_radar-and-PHI-800x427.png\" alt=\"close_up_ATL_radar and PHI\" width=\"400\" height=\"213\" srcset=\"https:\/\/inside.nssl.noaa.gov\/facets\/wp-content\/uploads\/sites\/20\/2016\/05\/close_up_ATL_radar-and-PHI-800x427.png 800w, https:\/\/inside.nssl.noaa.gov\/facets\/wp-content\/uploads\/sites\/20\/2016\/05\/close_up_ATL_radar-and-PHI-768x410.png 768w, https:\/\/inside.nssl.noaa.gov\/facets\/wp-content\/uploads\/sites\/20\/2016\/05\/close_up_ATL_radar-and-PHI.png 1074w\" sizes=\"auto, (max-width: 767px) 100vw, (max-width: 1200px) 60vw, 720px\" \/><\/p>\n<p>In addition to the forecasters evaluating the benefits and challenges of the PHI system for these type of pulse events, EMs and broadcasters utilized the NWS EDD to display the data and make decisions about summer type related situations. \u00a0For example, EMs utilized lightning and hail\/wind PHI to make decisions about potentially evacuating large outdoor venues and adjusting airport operations. \u00a0One tool that can be used on the EDD is the ability for the user to display a time series of the PHI probability values for a given storm, along with any reports of severe weather received.<\/p>\n<figure id=\"attachment_58\" aria-describedby=\"caption-attachment-58\" style=\"width: 465px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-58\" src=\"https:\/\/inside.nssl.noaa.gov\/facets\/wp-content\/uploads\/sites\/20\/2016\/05\/Duluth_stormtrend.png\" alt=\"EDD display of time series of probability of severe weather from the ProvSevere algorithm with corresponding reports of severe weather.\" width=\"465\" height=\"534\" \/><figcaption id=\"caption-attachment-58\" class=\"wp-caption-text\">EDD display of time series of\u00a0the PHI\u00a0probability of severe weather with corresponding reports of severe weather.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>For the concept of probabilistic hazard information to be a viable paradigm for providing severe thunderstorm hazard information, it must be able to be robustly produced and utilized for all&#8230; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/inside.nssl.noaa.gov\/facets\/2016\/05\/phi-and-pulse-storms\/\" class=\"more-link\">Read more \u00bb<\/a><\/p>\n","protected":false},"author":68,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-53","post","type-post","status-publish","format-standard","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/inside.nssl.noaa.gov\/facets\/wp-json\/wp\/v2\/posts\/53","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inside.nssl.noaa.gov\/facets\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inside.nssl.noaa.gov\/facets\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/facets\/wp-json\/wp\/v2\/users\/68"}],"replies":[{"embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/facets\/wp-json\/wp\/v2\/comments?post=53"}],"version-history":[{"count":2,"href":"https:\/\/inside.nssl.noaa.gov\/facets\/wp-json\/wp\/v2\/posts\/53\/revisions"}],"predecessor-version":[{"id":60,"href":"https:\/\/inside.nssl.noaa.gov\/facets\/wp-json\/wp\/v2\/posts\/53\/revisions\/60"}],"wp:attachment":[{"href":"https:\/\/inside.nssl.noaa.gov\/facets\/wp-json\/wp\/v2\/media?parent=53"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/facets\/wp-json\/wp\/v2\/categories?post=53"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inside.nssl.noaa.gov\/facets\/wp-json\/wp\/v2\/tags?post=53"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}