{"id":30485,"date":"2018-10-27T23:59:08","date_gmt":"2018-10-27T23:59:08","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=30485"},"modified":"2018-10-30T02:55:58","modified_gmt":"2018-10-30T02:55:58","slug":"flood-wave-along-the-nueces-river-in-texas","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/30485","title":{"rendered":"Flood wave along the Nueces River in Texas"},"content":{"rendered":"<p><center><\/p>\n<blockquote class=\"twitter-tweet\" data-lang=\"en\">\n<p dir=\"ltr\" lang=\"en\">Now that skies have cleared up across South Texas, an interesting feature can now be seen on <a href=\"https:\/\/twitter.com\/hashtag\/GOES16?src=hash&amp;ref_src=twsrc%5Etfw\">#GOES16<\/a> satellite. A flood wave from the heavy rainfall over the past few weeks can be seen flowing down the Nueces River. Check it! <a href=\"https:\/\/twitter.com\/hashtag\/txwx?src=hash&amp;ref_src=twsrc%5Etfw\">#txwx<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/stxwx?src=hash&amp;ref_src=twsrc%5Etfw\">#stxwx<\/a> <a href=\"https:\/\/t.co\/74n9penwKn\">pic.twitter.com\/74n9penwKn<\/a><\/p>\n<p>\u2014 NWS Corpus Christi (@NWSCorpus) <a href=\"https:\/\/twitter.com\/NWSCorpus\/status\/1056296581094346755?ref_src=twsrc%5Etfw\">October 27, 2018<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/center><\/p>\n<p>As pointed out by NWS Corpus Christi<em><strong> (<\/strong><strong>above),<\/strong><\/em> GOES-16 <em>(GOES-East)<\/em> Near-Infrared &#8220;Vegetation&#8221; (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band03.pdf\"><strong>0.86 \u00b5m<\/strong><\/a>) images revealed an interesting <strong><a href=\"https:\/\/water.usgs.gov\/wsc\/glossary.html#F\">flood wave<\/a><\/strong> moving along the Nueces River on 27 October 2018 (following a recent period of <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181013_181027_14day_precipitation_departure_percentNormal_TX_anim.gif\"><strong>heavy rainfall<\/strong><\/a>).<\/p>\n<p>A toggle between before (10 October) and after (27 October) Aqua MODIS False Color Red-Green-Blue (RGB) images from the <a href=\"http:\/\/ge.ssec.wisc.edu\/modis-today\/index.php?satellite=a1&amp;product=false_color&amp;date=2018_10_27_300&amp;overlay_sector=false&amp;overlay_state=true&amp;overlay_coastline=true\"><strong>MODIS Today<\/strong><\/a> site <em><strong>(below)<\/strong><\/em> showed dramatic differences between the amount of water <em>(darker shades of blue)<\/em> flowing along portions of the Nueces River on those 2 days.<\/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\/2018\/10\/181010_181027_aqua_modis_truecolor_Nueces_River_TX_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181010_181027_aqua_modis_truecolor_Nueces_River_TX_anim.gif\" alt=\"Before (10 October) and after (27 October) Aqua MODIS False Color RGB images [click to enlarge]\" width=\"640\" height=\"401\" \/><\/a><p class=\"wp-caption-text\">Before (10 October) and after (27 October) Aqua MODIS False Color RGB images [click to enlarge]<\/p><\/div>A comparison of Suomi NPP VIIRS Visible (0.64 \u00b5m), Near-Infrared Vegetation (0.86 \u00b5m) and Near-Infrared Snow\/Ice (1.61 \u00b5m) images from 27 October<em><strong> (below)<\/strong><\/em> demonstrated the improved land\/water contrast of the Near-Infrared imagery, which makes it helpful for diagnosing certain types of flooding signatures.<\/p>\n<div style=\"width: 648px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181027_1918utc_suomiNPP_viirs_visible_nearInfraredVegetation_nearInfraredSnowIce_Nueces_River_TX_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181027_1918utc_suomiNPP_viirs_visible_nearInfraredVegetation_nearInfraredSnowIce_Nueces_River_TX_anim.gif\" alt=\"Suomi NPP VIIRS Visible (0.64 \u00b5m), Near-Infrared Vegetation (0.86 \u00b5m) and Near-Infrared Snow\/Ice (1.61 \u00b5m) images [click to enlarge]\" width=\"638\" height=\"366\" \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS Visible <em>(0.64 \u00b5m),<\/em> Near-Infrared Vegetation <em>(0.86 \u00b5m)<\/em> and Near-Infrared Snow\/Ice <em>(1.61 \u00b5m)<\/em> images [click to enlarge]<\/p><\/div>\n<p style=\"text-align: center;\"><strong>===== 28 October Update =====<\/strong><\/p>\n<p><div style=\"width: 649px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181027_181028_goes16_nearInfrared_vegetation_Nueces_River_TX_flood_wave_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181027_181028_goes16_nearInfrared_vegetation_Nueces_River_TX_flood_wave_anim.gif\" alt=\"GOES-16 Near-Infrared \" width=\"639\" height=\"425\" \/><\/a><p class=\"wp-caption-text\">GOES-16 Near-Infrared &#8220;Vegetation&#8221; <em>(0.86 \u00b5m)<\/em> images at 1552 UTC on 27 and 28 October [click to enlarge]<\/p><\/div>A toggle between GOES-16 Near-Infrared &#8220;Vegetation&#8221; (0.86 \u00b5m) images at 1552 UTC on 27 and 28 October <em><strong>(above)<\/strong><\/em> showed the advance of the flood wave during that 24-hour period.<\/p>\n<p>A comparison of Suomi NPP VIIRS Near-Infrared &#8220;Vegetation (0.86 \u00b5m) and &#8220;Snow\/Ice&#8221; (1.61 \u00b5m) images from the early afternoon hours on 27 and 28 October <em><strong>(below)<\/strong><\/em> displayed these 24-hour changes at a higher spatial resolution <em>(375 meters, vs 1 km at satellite subpoint with GOES-16)<\/em>. The rear edge of the flood wave (located about 25 miles southeast of Cotulla) appeared to show up a bit better in the 0.86 \u00b5m images than the 1.61 \u00b5m.<\/p>\n<p><div style=\"width: 648px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181027_181028_suomiNPP_viirs_nearInfrared_vegetation_snowIce_Nueces_River_TX_flood_wave_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181027_181028_suomiNPP_viirs_nearInfrared_vegetation_snowIce_Nueces_River_TX_flood_wave_anim.gif\" alt=\"Suomi NPP VIIRS Near-Infrared \" width=\"638\" height=\"366\" \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS Near-Infrared &#8220;Vegetation <em>(0.86 \u00b5m)<\/em> and &#8220;Snow\/Ice&#8221; <em>(1.61 \u00b5m)<\/em> images from 27 and 28 October [click to enlarge]<\/p><\/div>Finally, in a toggle between 250-meter resolution Aqua MODIS False Color RGB images from 27 and 28 October <em><strong>(below),<\/strong><\/em> the advance of the leading edge of the flood wave can clearly be seen.<\/p>\n<div style=\"width: 649px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181027_181028_aqua_modis_falsecolor_Nueces_River_TX_flood_wave_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181027_181028_aqua_modis_falsecolor_Nueces_River_TX_flood_wave_anim.gif\" alt=\"Aqua MODIS False Color RGB images from 27 and 28 October [click to enlarge]\" width=\"639\" height=\"400\" \/><\/a><p class=\"wp-caption-text\">Aqua MODIS False Color RGB images from 27 and 28 October [click to enlarge]<\/p><\/div>\n<p style=\"text-align: center;\"><strong>===== 29 October Update =====<\/strong><\/p>\n<p><div style=\"width: 649px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181027_181028_181029_goes16_nearInfrared_vegetation_Nueces_River_TX_flood_wave_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/10\/181027_181028_181029_goes16_nearInfrared_vegetation_Nueces_River_TX_flood_wave_anim.gif\" alt=\"GOES-16 Near-Infrared \" width=\"639\" height=\"479\" \/><\/a><p class=\"wp-caption-text\">GOES-16 Near-Infrared &#8220;Vegetation&#8221; <em>(0.86 \u00b5m)<\/em> images from 1552 UTC on 27, 28 and 29 October [click to enlarge]<\/p><\/div>GOES-16 Near-Infrared &#8220;Vegetation&#8221; images from 1552 UTC on 27, 28 and 29 October <em><strong>(above)<\/strong> <\/em>showed the continued eastward movement of the flood wave down the Nueces River.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Now that skies have cleared up across South Texas, an interesting feature can now be seen on #GOES16 satellite. A flood wave from the heavy rainfall over the past few weeks can be seen flowing down the Nueces River. Check it! #txwx #stxwx pic.twitter.com\/74n9penwKn \u2014 NWS Corpus Christi (@NWSCorpus) October 27, 2018 As pointed out [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":30494,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[70,74,16,35,12,49,48],"tags":[],"class_list":["post-30485","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aqua","category-goes-16","category-heavy-rain-flooding","category-hydrology","category-modis","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/30485","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=30485"}],"version-history":[{"count":12,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/30485\/revisions"}],"predecessor-version":[{"id":30498,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/30485\/revisions\/30498"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/30494"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=30485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=30485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=30485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}