{"id":70526,"date":"2026-05-19T17:59:00","date_gmt":"2026-05-19T17:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=70526"},"modified":"2026-05-20T03:29:12","modified_gmt":"2026-05-20T03:29:12","slug":"leeside-cold-frontal-gravity-wave-as-viewed-by-goes-18-16-19","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/70526","title":{"rendered":"Leeside cold frontal gravity wave as viewed by GOES-18\/16\/19"},"content":{"rendered":"<p><div style=\"width: 2564px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/05\/260519_goes18_goes16_goes19_waterVapor_leesideColdFrontalGravityWave_Plains_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/05\/G18_G16_G19_WATER_VAPOR_CDFNT_NOWINDS_19MAY2026_B999_2026139_090021_0003PANELS_FRAME00145.GIF\" width=\"2554\" height=\"1082\" \/><\/a><p class=\"wp-caption-text\">10-minute GOES-18\/GOES-West (left), 5-minute GOES-16 (center) and 5-minute GOES-19\/GOES-East (right) Mid-level Water Vapor (6.9 \u00b5m) images, with\/without hourly plots of surface wind barbs and gusts (knots), from 2100 UTC on 18 May to 1701 UTC on 19 May [click to play animated GIF]<\/p><\/div>The GOES-16 satellite was temporarily brought out of storage for annual testing (<a href=\"https:\/\/www.ospo.noaa.gov\/data\/messages\/2026\/05\/MSG_20260508_1915.html\"><strong>details<\/strong><\/a>) &#8212; which allowed for a 3-GOES (GOES-18\/GOES-West, GOES-16 and GOES-19\/GOES-East) Water Vapor image comparison of the signature of a leeside cold frontal gravity wave (<a href=\"https:\/\/journals.ametsoc.org\/doi\/full\/10.1175\/1520-0469%281999%29056%3C2986%3ADTGWCB%3E2.0.CO%3B2\"><strong>reference<\/strong><\/a>) that propagated southward across the High Plains during the 18 May &#8211; 19 May 2026 period <em><strong>(above)<\/strong><\/em>.<\/p>\n<p>The highest peak wind gust at METAR sites in the wake of the cold frontal passage was 44 kts at Tucumcari, New Mexico at 0537 UTC <em><strong>(below)<\/strong><\/em>.<\/p>\n<div style=\"width: 3002px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/05\/260519_0601utc_)goes19_watewrVapor_ktccMETAR.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/05\/260519_0601utc_)goes19_watewrVapor_ktccMETAR.png\" width=\"2992\" height=\"1672\" \/><\/a><p class=\"wp-caption-text\">GOES-19 Mid-level Water Vapor (6.9 \u00b5m) image at 0601 UTC on 19 May, with a cursor sample of the METAR report at Tucumcari, New Mexico [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The GOES-16 satellite was temporarily brought out of storage for annual testing (details) &#8212; which allowed for a 3-GOES (GOES-18\/GOES-West, GOES-16 and GOES-19\/GOES-East) Water Vapor image comparison of the signature of a leeside cold frontal gravity wave (reference) that propagated southward across the High Plains during the 18 May &#8211; 19 May 2026 period (above). [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":70527,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,114,159],"tags":[],"class_list":["post-70526","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-goes-18","category-goes-19"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/70526","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=70526"}],"version-history":[{"count":4,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/70526\/revisions"}],"predecessor-version":[{"id":70531,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/70526\/revisions\/70531"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/70527"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=70526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=70526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=70526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}