{"id":11038,"date":"2012-08-08T22:22:22","date_gmt":"2012-08-08T22:22:22","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=11038"},"modified":"2012-08-09T19:22:35","modified_gmt":"2012-08-09T19:22:35","slug":"unusually-strong-arctic-ocean-storm","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/11038","title":{"rendered":"Unusually strong Arctic Ocean storm"},"content":{"rendered":"
\"Suomi<\/a>

Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel + 11.45 \u00c2\u00b5m IR channel images<\/p><\/div>\n

An unusually strong area of low pressure moved northward into the Arctic Ocean and intensified during the 05 August – 08 August 2012 time period — a storm this deep (965 hPa central pressure)<\/em> is exceptional for the Arctic Ocean region, especially<\/em> during the summer month of August. A comparison of AWIPS images of Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel and 11.45 \u00c2\u00b5m IR channel images with an overlay of the surface pressure analysis\u00c2\u00a0 (above)<\/strong><\/em> showed the cloud patterns associated with the storm around 00 UTC on 08 August.<\/p>\n

\"Suomi<\/a>

Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel images (click image to play animation)<\/p><\/div>\n

Animations of Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel images (above; click image to play animation)<\/strong><\/em> and 11.45 \u00c2\u00b5m IR channel images (below; click image to play animation)<\/strong><\/em> showed the evolution of the storm over the Arctic Ocean during the 06 August – 08 August period.<\/p>\n

\"Suomi<\/a>

Suomi NPP VIIRS 11.45 \u00c2\u00b5m IR channel image (click image to play animation)<\/p><\/div>\n

McIDAS images of Terra MODIS 11.0 \u00c2\u00b5m IR channel data (below; click image to play animation; images courtesy of Dave Santek, SSEC)<\/strong><\/em> showed the storm moving poleward during the 05 August – 08 August time period. Barrow, Alaska was in the warm sector of the storm on 05 August, and recorded a daily high temperature of 60\u00c2\u00ba F (with a peak wind gust from the southwest at 41 mph)<\/em>. Two days later, strong cold air advection in the wake of the storm (with a peak westerly wind gust of 33 mph)<\/em> kept the daily high temperature at Barrow down to 39\u00c2\u00ba F.<\/p>\n

\"Terra<\/a>

Terra MODIS 11.0 \u00c2\u00b5m IR channel images (click image to play animation)<\/p><\/div>\n

The circulation of the deep low could be easily identified using atmospheric motion vectors (cloud-tracked winds)<\/em> derived from a variety of polar-orbiting satellites (below)<\/em><\/strong>.<\/p>\n

\"IR<\/a>

IR images and atmospheric motion vectors from a variery of polar-orbiing satellites<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

An unusually strong area of low pressure moved northward into the Arctic Ocean and intensified during the 05 August – 08 August 2012 time period — a storm this deep (965 hPa central pressure) is exceptional for the Arctic Ocean region, especially during the summer month of August. A comparison of AWIPS images of Suomi […]<\/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":[37,22,12,26,25,49,48],"tags":[],"class_list":["post-11038","post","type-post","status-publish","format-standard","hentry","category-arctic","category-avhrr","category-modis","category-poes","category-satellite-winds","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/11038","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=11038"}],"version-history":[{"count":8,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/11038\/revisions"}],"predecessor-version":[{"id":11046,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/11038\/revisions\/11046"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=11038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=11038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=11038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}