{"id":24321,"date":"2017-07-01T23:59:32","date_gmt":"2017-07-01T23:59:32","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=24321"},"modified":"2017-07-03T18:42:59","modified_gmt":"2017-07-03T18:42:59","slug":"severe-thunderstorms-in-the-northeast-us","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/24321","title":{"rendered":"Severe thunderstorms in the Northeast US"},"content":{"rendered":"<p><center><\/p>\n<blockquote class=\"twitter-tweet\" data-lang=\"en\">\n<p dir=\"ltr\" lang=\"en\">We issued 7 Tornado Warnings today, the most we&#8217;ve ever issued in a single day or even a whole year until now! <a href=\"https:\/\/twitter.com\/hashtag\/mewx?src=hash\">#mewx<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/nhwx?src=hash\">#nhwx<\/a> <a href=\"https:\/\/t.co\/x8set1XxOi\">pic.twitter.com\/x8set1XxOi<\/a><\/p>\n<p>\u2014 NWS Gray (@NWSGray) <a href=\"https:\/\/twitter.com\/NWSGray\/status\/881335187983958016\">July 2, 2017<\/a><\/p><\/blockquote>\n<p><script async src=\"\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/center><\/p>\n<p><em>* GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing *<\/em><\/p>\n<p>As noted in the Tweet above from <a href=\"http:\/\/www.weather.gov\/gyx\/\"><strong>NWS Gray\/Portland ME<\/strong><\/a>, a record number of tornado warnings were issued by that office on <a href=\"http:\/\/www.wpc.ncep.noaa.gov\/dailywxmap\/index_20170701.html\"><strong>01 July 2017<\/strong><\/a>. According to their <a href=\"http:\/\/www.weather.gov\/media\/gyx\/tornado_forweb.pdfhttp:\/\/www.weather.gov\/media\/gyx\/tornado_forweb.pdf\"><strong>damage surveys<\/strong><\/a>, the tornadoes were rated EF-0 to EF-1, with some straight-line wind damage also seen. GOES-16 &#8220;Red&#8221; Visible (<a href=\"http:\/\/www.goes-r.gov\/education\/docs\/ABI-bands-FS\/ABI%20Fact%20Sheet%20Band%202.pdf\"><strong>0.64 \u00b5m<\/strong><\/a>) and &#8220;Clean&#8221; Infrared Window (<a href=\"http:\/\/www.goes-r.gov\/education\/docs\/ABI-bands-FS\/ABI_Band_13_FS_CLEAN_LW_IR_FINAL.pdf\"><strong>10.3 \u00b5m<\/strong><\/a>) images with plots of <a href=\"http:\/\/www.spc.noaa.gov\/climo\/reports\/170701_rpts.html\"><strong>SPC storm reports<\/strong><\/a> <em><strong>(below; <\/strong>also available as a 98-Mbyte<strong> <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/170701_goes16_visible_infrared_spc_storm_reports_NH_ME_anim.gif\">animated GIF<\/a>)<\/strong><\/em> displayed the overshooting tops and colder cloud-top infrared brightness temperatures associated with some of the thunderstorms. Note the significant offset between cloud-top features and storm reports &#8212; this is due to <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/217\"><strong>parallax<\/strong><\/a> from the large viewing angle of the GOES-16 satellite (which is positioned over the Equator at 105\u00ba West longitude).<\/p>\n<p><div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/170701_goes16_visible_infrared_spc_storm_reports_NH_ME_anim.mp4\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/G16_VIS_IR_NH_ME_01JUL2017_480x1280_B213_2017182_222226_0002PANELS.GIF\" alt=\"GOES-16 Visible (0.64 \u00b5m, top) and Infrared Window (10.3 \u00b5m, bottom) images, with plots of SPC storm reports in red on Visible, and in black on Infrared [click to play MP4 animation]\" width=\"640\" height=\"480\" \/><\/a><p class=\"wp-caption-text\">GOES-16 Visible (0.64 \u00b5m, top) and Infrared Window (10.3 \u00b5m, bottom) images, with plots of SPC storm reports in red on Visible, and in black on Infrared [click to play MP4 animation]<\/p><\/div>A comparison of Suomi NPP VIIRS Visible (0.64 \u00b5m) and Infrared Window (11.45 \u00b5m) images at 1744 UTC<em><strong> (below)<\/strong><\/em> showed the early stages of convective development in far southwestern Maine, in addition to well-developed thunderstorms in eastern New York (which would later move northeastward to produce a swath of <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/170701_12utc_170702_12utc_24hour_precipitation.jpeg\"><strong>heavy rainfall<\/strong><\/a> that caused flooding at some locations).<\/p>\n<p><div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/170701_1744utc_suomi_npp_viirs_visible_infrared_Northeast_US_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/170701_1744utc_suomi_npp_viirs_visible_infrared_Northeast_US_anim.gif\" alt=\"Suomi NPP VIIRS Visible (0.64 \u00b5m) and Infrared Window (11..45 \u00b5m) images [click to enlarge]\" width=\"640\" height=\"542\" \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS Visible (0.64 \u00b5m) and Infrared Window (11..45 \u00b5m) images [click to enlarge]<\/p><\/div>Thunderstorm development was fueled by high amounts of moisture that had moved into the Northeast US, as shown below by the Blended Total Precipitable Water product<em> (values in the 40-50 mm or 1.6-2.0 inch range)<\/em> and the Blended Total Precipitable Water Percent of Normal product<em> (with values in excess of 200%)<\/em>.<\/p>\n<p><div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/Blended_TPW_20170701_1641utc_2051utc_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/Blended_TPW_20170701_1641utc_2051utc_anim.gif\" alt=\"Blended Total Precipitable Water product [click to enlarge]\" width=\"640\" height=\"542\" \/><\/a><p class=\"wp-caption-text\">Blended Total Precipitable Water product [click to enlarge]<\/p><\/div><div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/Pct_of_Normal_TPW_20170701_1641utc_2051utc_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/Pct_of_Normal_TPW_20170701_1641utc_2051utc_anim.gif\" alt=\"Blended Total Precipitable Water Percent of Normal product [click to enlarge]\" width=\"640\" height=\"542\" \/><\/a><p class=\"wp-caption-text\">Blended Total Precipitable Water Percent of Normal product [click to enlarge]<\/p><\/div>The hourly evolution of moisture was depicted by the <a href=\"http:\/\/tropic.ssec.wisc.edu\/real-time\/mtpw2\/product.php?color_type=tpw_nrl_colors&amp;prod=global2&amp;timespan=24hrs&amp;anim=html5\"><strong>MIMIC Total Precipitable Water<\/strong><\/a> product <em><strong>(below)<\/strong><\/em>.<\/p>\n<div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/170701_mimic_tpw_Northeast_US_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/170701_23z_tpw.jpeg\" alt=\"MIMIC Total Precipitable Water product [click to play animation]\" width=\"640\" height=\"448\" \/><\/a><p class=\"wp-caption-text\">MIMIC Total Precipitable Water product [click to play animation]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>We issued 7 Tornado Warnings today, the most we&#8217;ve ever issued in a single day or even a whole year until now! #mewx #nhwx pic.twitter.com\/x8set1XxOi \u2014 NWS Gray (@NWSGray) July 2, 2017 * GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing * As noted in the Tweet above from [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":24323,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,16,58,26,3,49,48],"tags":[],"class_list":["post-24321","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-heavy-rain-flooding","category-metop","category-poes","category-severe-convection","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/24321","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=24321"}],"version-history":[{"count":4,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/24321\/revisions"}],"predecessor-version":[{"id":24326,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/24321\/revisions\/24326"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/24323"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=24321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=24321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=24321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}