{"id":10544,"date":"2012-06-06T23:59:02","date_gmt":"2012-06-06T23:59:02","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=10544"},"modified":"2012-06-07T21:01:34","modified_gmt":"2012-06-07T21:01:34","slug":"severe-thunderstorms-over-eastern-colorado","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/10544","title":{"rendered":"Severe thunderstorms over eastern Colorado"},"content":{"rendered":"<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2012\/06\/120607_03z_poes_avhrr_ir_svr_reports_metars_anim.gif\"><img loading=\"lazy\" decoding=\"async\" title=\"POES AVHRR 12.0 \u00c2\u00b5m IR image + SPC storm reports + METAR surface reports\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2012\/06\/120607_03z_poes_avhrr_ir_svr_reports_metars_anim.gif\" alt=\"POES AVHRR 12.0 \u00c2\u00b5m IR image + SPC storm reports + METAR surface reports\" width=\"480\" height=\"457\" \/><\/a><p class=\"wp-caption-text\">POES AVHRR 12.0 \u00c2\u00b5m IR image + SPC storm reports + METAR surface reports<\/p><\/div>\n<p>Severe thunderstorms developed during the afternoon hours over eastern Colorado on <a title=\"06 June 2012 daily weather map\" href=\"http:\/\/www.hpc.ncep.noaa.gov\/dailywxmap\/index_20120606.html\"><strong>06 June 2012<\/strong><\/a>, which were responsible for a number of tornadoes in addition to widespread large hail and damaging winds (<a title=\"SPC storm reports\" href=\"http:\/\/www.spc.noaa.gov\/climo\/reports\/120606_rpts.html\"><strong>SPC storm reports<\/strong><\/a>). An AWIPS image of 1-km resolution POES AVHRR 12.0 \u00c2\u00b5m IR channel data <em><strong>(above)<\/strong><\/em> showed a very pronounced &#8220;enhanced-V&#8221; storm top signature, with many of the severe weather reports located near the vertex of the enhanced-V.<\/p>\n<p>A comparison of 1-km resolution POES AVHRR Cloud Top Temperature (CTT), Cloud Top Height (CTH), and Cloud Type products is shown below. The CTT cold\/warm thermal couplet associated with the enhanced-V signature was -74 C\/-55 C; the CTH values for the majority of the cirrus canopy were 13 km <em>(12 km within the &#8220;warm spot&#8221; region of the enhanced-V)<\/em>; and the Cloud Type for the majority of the cirrus canopy was Overshooting <em>(violet color enhancement),<\/em> with the &#8220;Thick Ice&#8221; classification <em>(yellow enhancement)<\/em> within the warm region of the enhanced-V.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2012\/06\/120607_poes_avhrr_ctt_hgt_type_anim.gif\"><img loading=\"lazy\" decoding=\"async\" title=\"POES AVHRR Cloud Top Temperature, Cloud Top Height, and Cloud Type products\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2012\/06\/120607_poes_avhrr_ctt_hgt_type_anim.gif\" alt=\"POES AVHRR Cloud Top Temperature, Cloud Top Height, and Cloud Type products\" width=\"480\" height=\"457\" \/><\/a><p class=\"wp-caption-text\">POES AVHRR Cloud Top Temperature, Cloud Top Height, and Cloud Type products<\/p><\/div>\n<p>A comparison of the 1-km resolution POES 12.0 \u00c2\u00b5m IR image with the corresponding 4-km resolution GOES-15 10.7 \u00c2\u00b5m IR image <em><strong>(below)<\/strong><\/em> demonstrated the advantage of improved spatial resolution for detecting the more subtle aspects of the enhanced-V feature. Also note that the enhanced-V feature is displaced to the north and east on the GOES-15 image, due to the <a title=\"parallax error\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/217\"><strong>problem of parallax<\/strong><\/a> associated with the large viewing angle from the GOES-West satellite.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2012\/06\/120607_03z_g15_avhrr_ir_anim.gif\"><img loading=\"lazy\" decoding=\"async\" title=\"GOES-15 10.7 \u00c2\u00b5m IR + POES AVHRR 12.0 \u00c2\u00b5m IR images\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2012\/06\/120607_03z_g15_avhrr_ir_anim.gif\" alt=\"GOES-15 10.7 \u00c2\u00b5m IR + POES AVHRR 12.0 \u00c2\u00b5m IR images\" width=\"480\" height=\"458\" \/><\/a><p class=\"wp-caption-text\">GOES-15 10.7 \u00c2\u00b5m IR + POES AVHRR 12.0 \u00c2\u00b5m IR images<\/p><\/div>\n<p>The GOES-15 satellite was placed into Super Rapid Scan Operations (SRSO) mode, providing images as frequently as every 1 minute (see the <a title=\"VISIT Meteorological Interpretation Blog\" href=\"http:\/\/rammb.cira.colostate.edu\/training\/visit\/blog\/index.php\/2012\/06\/07\/1-minute-goes-imagery-over-colorado-severe-storms\/\"><strong>VISIT Meteorological Interpretation Blog<\/strong><\/a>).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Severe thunderstorms developed during the afternoon hours over eastern Colorado on 06 June 2012, which were responsible for a number of tornadoes in addition to widespread large hail and damaging winds (SPC storm reports). An AWIPS image of 1-km resolution POES AVHRR 12.0 \u00c2\u00b5m IR channel data (above) showed a very pronounced &#8220;enhanced-V&#8221; storm top [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22,43,26,3],"tags":[],"class_list":["post-10544","post","type-post","status-publish","format-standard","hentry","category-avhrr","category-goes-15","category-poes","category-severe-convection"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/10544","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\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=10544"}],"version-history":[{"count":3,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/10544\/revisions"}],"predecessor-version":[{"id":10547,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/10544\/revisions\/10547"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=10544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=10544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=10544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}