{"id":37608,"date":"2020-07-15T18:32:09","date_gmt":"2020-07-15T18:32:09","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=37608"},"modified":"2020-07-15T20:33:01","modified_gmt":"2020-07-15T20:33:01","slug":"nucaps-soundings-and-microwave-based-and-goes-level-2-rain-rates","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/37608","title":{"rendered":"NUCAPS Soundings and microwave-based and GOES Level 2 Rain Rates"},"content":{"rendered":"<div id=\"attachment_37609\" style=\"width: 635px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/NUCAPSPoints_RainRate-20200715_0833_stepToggle.gif\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-37609\" class=\"wp-image-37609\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/NUCAPSPoints_RainRate-20200715_0833_stepToggle.gif\" alt=\"\" width=\"625\" height=\"466\" \/><\/a><p id=\"caption-attachment-37609\" class=\"wp-caption-text\">NOAA-20 NUCAPS Sounding Availability points and NOAA-20 ATMS-derived Rain Rates, 0830 UTC on 15 July 2020 (Click to enlarge)<\/p><\/div>\n<p>The animation above steps between <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/NUCAPSPoints-20200715_083303.png\">NUCAPS Sounding Availability points<\/a> and <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/NUCAPSandMIRSRainRate-20200715_083303.png\">MIRS estimates of Rain Rate<\/a> derived from NOAA-20&#8217;s Advanced Technology Microwave Sounder (ATMS) instrument (and available via LDM download from CIMSS).\u00a0 &#8216;Red&#8217; points in NUCAPS sounding availability are usually associated with precipitation, and that relationship is apparent in the toggle.\u00a0 With the exception of four red points in southwestern Colorado, <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/NUCAPSandMIRSRainRate-20200715_083303.png\">falling precipitation is diagnosed by the ATMS where red points are shown<\/a>.<\/p>\n<p>A zoomed-in view of those 4 points in SW Colorado, superimposed on GOES-16 ABI Band 13 (10.3 \u00b5m) infrared imagery is shown below.\u00a0 The profile at the green point in the middle of the red points is <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/NUCAPSGreen_37.75_107.5_08z_15July2020.png\">here<\/a>;\u00a0 you can also view the <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/NUCAPSRed_38.21_107.4_08z_15July2020.png\">northernmost red point<\/a>, the <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/NUCAPSRed_37.81_108.2_08z_15July2020.png\">westernmost red point<\/a>, the <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/NUCAPSRed_37.21_106.98_08z_15July2020.png\">southeasternmost red point<\/a>, and the <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/NUCAPSRed_37.28_107.6_08z_15July2020.png\">other red point<\/a>.\u00a0 Note that all soundings are very similar;\u00a0 a conclusion might be that for those points, conversion in the retrieval is not\u00a0the cause of the red (the alternative reason for &#8216;red&#8217; is failure in cloud clearing).<\/p>\n<div id=\"attachment_37633\" style=\"width: 263px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/G16ABIBand13_0830_15July2020.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-37633\" class=\"wp-image-37633 size-full\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/G16ABIBand13_0830_15July2020.png\" alt=\"\" width=\"253\" height=\"282\" \/><\/a><p id=\"caption-attachment-37633\" class=\"wp-caption-text\">Four Red NUCAPS Soundings Availability points in southwestern Colorado overlain on GOES-16 Clean Window (Band 13, 10.3 \u00b5m, infrared data), 0830 UTC on 15 July 2020<\/p><\/div>\n<hr \/>\n<p><a href=\"https:\/\/www.goes-r.gov\/products\/baseline-rainfall-rate-qpe.html\">Rain Rate<\/a> is a GOES-16 level 2 Derived Product that uses the infrared bands on the Advanced Baseline Imager (ABI).\u00a0 Satellite-derived rain products are especially important in regions where radar observations are unavailable (because of radar maintenance, or because no radar exists), or where observations are blocked by terrain (<em>i.e.<\/em>, beam-blocking).\u00a0 The toggle is zoomed in over the mesoscale systems over Kansas and Iowa\/Missouri and includes the <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/ZOOM16ABIBand13-20200715_083303.png\">GOES-16 Clean Window<\/a>, the <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/ZOOMG16RainRate-20200715_083303.png\">GOES-16 Rain Rate<\/a> and the <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/ZOOMRainRate-20200715_083303.png\">MIRS Rain Rate<\/a> (derived from direct broadcast data at UW-Madison <a href=\"https:\/\/cimss.ssec.wisc.edu\/\">CIMSS<\/a>;  information on MIRS Processing is <a href=\"https:\/\/www.star.nesdis.noaa.gov\/jpss\/documents\/ATBD\/ATBD_MIRS_v1.0.pdf\">here<\/a> and <a href=\"https:\/\/www.star.nesdis.noaa.gov\/mirs\/algorithm.php\">here<\/a>.) and a <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/ZOOMRadar_1hrPrecip-20200715_083303.png\">1-hour radar-derived product<\/a>.  Each of these rainfall estimates have different spatial and temporal resolutions, and that makes intercomparison challenging.   <\/p>\n<div id=\"attachment_37617\" style=\"width: 635px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/G16ABI_3RainEstimates_20200715_0833toggle.gif\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-37617\" class=\"wp-image-37617\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2020\/07\/G16ABI_3RainEstimates_20200715_0833toggle.gif\" alt=\"\" width=\"625\" height=\"466\" \/><\/a><p id=\"caption-attachment-37617\" class=\"wp-caption-text\">GOES-16 ABI 10.3 \u00b5m Infrared Imagery, GOES-16 Rain Rate, Microwave Rain Rate and radar estimates of 1-hour rainfall, 0830 UTC on 15 July 2020<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The animation above steps between NUCAPS Sounding Availability points and MIRS estimates of Rain Rate derived from NOAA-20&#8217;s Advanced Technology Microwave Sounder (ATMS) instrument (and available via LDM download from CIMSS).\u00a0 &#8216;Red&#8217; points in NUCAPS sounding availability are usually associated with precipitation, and that relationship is apparent in the toggle.\u00a0 With the exception of four [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":37625,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,79,78,83],"tags":[],"class_list":["post-37608","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-microwave","category-noaa-20","category-nucaps"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/37608","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=37608"}],"version-history":[{"count":11,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/37608\/revisions"}],"predecessor-version":[{"id":37654,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/37608\/revisions\/37654"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/37625"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=37608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=37608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=37608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}