{"id":35645,"date":"2020-02-13T13:54:11","date_gmt":"2020-02-13T13:54:11","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=35645"},"modified":"2020-02-13T13:57:36","modified_gmt":"2020-02-13T13:57:36","slug":"can-you-use-gridded-nucaps-fields-to-diagnose-the-rain-snow-line","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/35645","title":{"rendered":"Can you use gridded NUCAPS fields to diagnose the rain\/snow line?"},"content":{"rendered":"<div id=\"attachment_35646\" style=\"width: 635px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/02\/GriddedNUCAPSandMETARs-20200213_062423.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-35646\" class=\"wp-image-35646\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/02\/GriddedNUCAPSandMETARs-20200213_062423.png\" alt=\"\" width=\"625\" height=\"458\" srcset=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/02\/GriddedNUCAPSandMETARs-20200213_062423.png 1320w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/02\/GriddedNUCAPSandMETARs-20200213_062423-300x220.png 300w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/02\/GriddedNUCAPSandMETARs-20200213_062423-1024x750.png 1024w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/02\/GriddedNUCAPSandMETARs-20200213_062423-768x563.png 768w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><\/a><p id=\"caption-attachment-35646\" class=\"wp-caption-text\">900-mb Temperature fields (color-shaded; the 0\u00baC line is in black) derived from NOAA-20 NUCAPS profiles, 0624 UTC on 13 February, along with 0600 UTC METAR observations (Click to enlarge)<\/p><\/div>\n<p>Gridded NUCAPS fields include a wide range of thermodynamic variables.  The plot above shows the 900-mb temperature field.  Is it possible to use this data to diagnose a rain\/snow transition line?  <\/p>\n<p>Over southern New England, the relationship between 900-mb temperatures and surface precipitation observations seems robust:  snow is restricted to most (but not all!) places where 900-mb temperatures are cooler than 0\u00baC. and rain falls where temperatures exceed 0\u00baC.  Where terrain might be an influence in trapping cold air near the surface &#8212; the Catskills, for example, or the Alleghenies over New York and Pennsylvania, the relationship is not so straightforward.  This data source warrants future investigations on its utility in these situations.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gridded NUCAPS fields include a wide range of thermodynamic variables. The plot above shows the 900-mb temperature field. Is it possible to use this data to diagnose a rain\/snow transition line? Over southern New England, the relationship between 900-mb temperatures and surface precipitation observations seems robust: snow is restricted to most (but not all!) places [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[78,83],"tags":[],"class_list":["post-35645","post","type-post","status-publish","format-standard","hentry","category-noaa-20","category-nucaps"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/35645","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\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=35645"}],"version-history":[{"count":6,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/35645\/revisions"}],"predecessor-version":[{"id":35652,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/35645\/revisions\/35652"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=35645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=35645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=35645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}