{"id":7405,"date":"2011-01-14T23:30:45","date_gmt":"2011-01-14T23:30:45","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=7405"},"modified":"2011-01-25T17:50:52","modified_gmt":"2011-01-25T17:50:52","slug":"cold-temperatures-in-the-yukon-territory-of-canada","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/7405","title":{"rendered":"Cold temperatures in the Yukon Territory of Canada"},"content":{"rendered":"<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2011\/01\/110114_goes_avhrr_ir_anim.gif\"><img loading=\"lazy\" decoding=\"async\" title=\"GOES-11 10.7 \u00c2\u00b5m IR and POES AVHRR 12.0 \u00c2\u00b5m IR images\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2011\/01\/110114_goes_avhrr_ir_anim.gif\" alt=\"GOES-11 10.7 \u00c2\u00b5m IR and POES AVHRR 12.0 \u00c2\u00b5m IR images\" width=\"480\" height=\"459\" \/><\/a><p class=\"wp-caption-text\">GOES-11 10.7 \u00c2\u00b5m IR and POES AVHRR 12.0 \u00c2\u00b5m IR images<\/p><\/div>\n<p>The surface air temperature at Watson Lake in the southern Yukon Territory of Canada <em>(station identifier CYQH)<\/em> fell to <strong>-56\u00c2\u00ba F (-49\u00c2\u00ba C)<\/strong> at 16 UTC on <strong>14 January 2011<\/strong>. About 2 hours later, a comparison of AWIPS images of 4-km resolution GOES-11 10.7 \u00c2\u00b5m IR and 1-km resolution <strong><a title=\"POES\/AVHRR in AWIPS: VISIT training lesson\" href=\"http:\/\/rammb.cira.colostate.edu\/training\/visit\/training_sessions\/poes_and_avhrr_satellite_products_in_awips\/\">POES AVHRR<\/a><\/strong> IR data <em><strong>(above)<\/strong><\/em> showed the signature of cold air that had settled into the valleys across that region &#8212; this signature was naturally much clearer on the higher resolution POES AVHRR image. The coldest surface IR brightness temperature on the POES AVHRR IR image was <strong>-52\u00c2\u00ba C (-62\u00c2\u00ba F)<\/strong> just to the southeast of Watson Lake. Also note the northeastward &#8220;<a title=\"parallax shift\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/217\"><strong>parallax shift<\/strong><\/a>&#8221; of the warmer cloud features on the GOES-11 image, due to the high viewing angle from that geostationary satellite <em>(which was situated over the Equator at 135\u00c2\u00ba West longitude)<\/em>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The surface air temperature at Watson Lake in the southern Yukon Territory of Canada (station identifier CYQH) fell to -56\u00c2\u00ba F (-49\u00c2\u00ba C) at 16 UTC on 14 January 2011. About 2 hours later, a comparison of AWIPS images of 4-km resolution GOES-11 10.7 \u00c2\u00b5m IR and 1-km resolution POES AVHRR IR data (above) showed [&hellip;]<\/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":[22,18,26,5],"tags":[],"class_list":["post-7405","post","type-post","status-publish","format-standard","hentry","category-avhrr","category-goes-11","category-poes","category-winter-weather"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/7405","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=7405"}],"version-history":[{"count":7,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/7405\/revisions"}],"predecessor-version":[{"id":7508,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/7405\/revisions\/7508"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=7405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=7405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=7405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}