{"id":39552,"date":"2021-01-05T23:59:18","date_gmt":"2021-01-05T23:59:18","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=39552"},"modified":"2021-01-09T23:12:29","modified_gmt":"2021-01-09T23:12:29","slug":"cold-air-advection-in-the-bering-sea","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/39552","title":{"rendered":"Cold air advection in the Bering Sea"},"content":{"rendered":"

\"GOES-17<\/a>

GOES-17 “Red” Visible (0.64 \u00b5m)<\/em> images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>GOES-17 (GOES-West)<\/em> “Red” Visible (0.64 \u00b5m<\/strong><\/a>) images (above)<\/strong><\/em> displayed cloud streets across the Bering Sea — cloud features that frequently occur in areas with a strong flow of cold air over warmer water. This northerly flow of cold air across the Bering Sea was due to a strong pressure gradient between high pressure over Siberia and broad low pressure centered over the Gulf of Alaska (surface analyses<\/strong><\/a>).<\/p>\n

In a GOES-17 Visible image with plots of ASCAT scatterometer surface winds from Metop-A (below)<\/strong>, <\/em>ASCAT sampled winds with speeds as high as 33 knots (although the instrument did not adequately sample the western portion of the Bering Sea, where the strongest winds likely existed).<\/p>\n

\"GOES-17<\/a>

GOES-17 “Red” Visible (0.64 \u00b5m)<\/em> image, with plots of ASCAT winds from Metop-A [click to enlarge]<\/p><\/div>A sequence of Suomi NPP VIIRS Day\/Night Band (0.7 \u00b5m) images (below)<\/strong> <\/em>provided higher-resolution views of the cold air advection cloud streets.<\/p>\n

\"Suomi<\/a>

Suomi NPP VIIRS Day\/Night Band (0.7 \u00b5m)<\/em> images [click to enlarge]<\/p><\/div>A toggle between Suomi NPP VIIRS Day\/Night Band (DNB) and GOES-17 Visible images around 2320 UTC (below)<\/strong> <\/em>highlighted the advantage of\u00a0 VIIRS DNB imagery at high latitudes, particularly during low-light periods of the winter season.<\/p>\n

\"Suomi<\/a>

Suomi NPP VIIRS Day\/Night Band (0.7 \u00b5m)<\/em> and GOES-17 “Red” Visible (0.64 \u00b5m)<\/em> images [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

GOES-17 (GOES-West) “Red” Visible (0.64 \u00b5m) images (above) displayed cloud streets across the Bering Sea — cloud features that frequently occur in areas with a strong flow of cold air over warmer water. This northerly flow of cold air across the Bering Sea was due to a strong pressure gradient between high pressure over Siberia […]<\/p>\n","protected":false},"author":18,"featured_media":39554,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[80,58,25,49,48],"tags":[],"class_list":["post-39552","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-17","category-metop","category-satellite-winds","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/39552","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=39552"}],"version-history":[{"count":10,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/39552\/revisions"}],"predecessor-version":[{"id":39614,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/39552\/revisions\/39614"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/39554"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=39552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=39552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=39552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}