{"id":12096,"date":"2013-01-03T18:59:10","date_gmt":"2013-01-03T18:59:10","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=12096"},"modified":"2013-01-04T18:31:13","modified_gmt":"2013-01-04T18:31:13","slug":"cold-temperatures-in-the-high-elevations-of-colorado","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/12096","title":{"rendered":"Cold temperatures in the high elevations of Colorado"},"content":{"rendered":"
\"Suomi<\/a>

Suomi NPP VIIRS 11.45 \u00c2\u00b5m IR image (with METAR surface reports)<\/p><\/div>\n

The coldest temperature in the United States (including Alaska)<\/em> was -33 F (-36 C) at Alamosa, Colorado on 03 January 2013<\/strong><\/a>. AWIPS images of 375-meter resolution (projected onto a 1-km AWIPS grid)<\/em> Suomi NPP VIIRS 11.45 \u00c2\u00b5m IR data with METAR surface reports (above)<\/strong><\/em> showed a few areas in parts of the higher elevations of central Colorado which exhibited IR brightness temperatures as cold as -44 C or -47 F (white color enhancement)<\/em>. In the lower left portion of the image, the warmer signature (red color enhancement)<\/em> of the Colorado River basin could be seen running southwestward across Utah and into the Grand Canyon region of Arizona.<\/p>\n

Alamosa (station identifier KALS)<\/em> is located in south-central Colorado, and is situated in the eastern portion of the broad high-altitude basin of the San Luis Valley<\/strong><\/a>. The Suomi NPP VIIRS 0.7 \u00c2\u00b5m Day\/Night Band image (below)<\/strong><\/em> showed the brighter white signature of the moonlit snow-covered San Luis Valley at night (08:49 UTC = 1:49 AM local time)<\/em>. Much of the western (high-elevation)<\/em> half of Colorado had substantial snow cover, and there were a few other sites that recorded minimum temperatures of -30 F or colder<\/strong><\/a>.<\/p>\n

\"Suomi<\/a>

Suomi NPP VIIRS 0.7 \u00c2\u00b5m Day\/Night Band image (with METAR surface reports)<\/p><\/div>\n

A comparison of the Suomi NPP VIIRS IR brightness temperature difference “fog\/stratus product” and the corresponding GOES-13 Cloud Thickness and IFR Probability products (below)<\/strong><\/em> indicated that most of the higher elevations of central Colorado were generally cloud-free, which allowed for strong radiational cooling to reach such cold surface temperatures.<\/p>\n

\"Suomi<\/a>

Suomi NPP VIIRS “fog\/stratus product” + GOES-13 Cloud Thickness and IFR Probability products<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

The coldest temperature in the United States (including Alaska) was -33 F (-36 C) at Alamosa, Colorado on 03 January 2013. AWIPS images of 375-meter resolution (projected onto a 1-km AWIPS grid) Suomi NPP VIIRS 11.45 \u00c2\u00b5m IR data with METAR surface reports (above) showed a few areas in parts of the higher elevations of […]<\/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":[10,11,49,48,5],"tags":[],"class_list":["post-12096","post","type-post","status-publish","format-standard","hentry","category-general-interpretation","category-goes-13","category-suomi_npp","category-viirs","category-winter-weather"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12096","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=12096"}],"version-history":[{"count":8,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12096\/revisions"}],"predecessor-version":[{"id":12101,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12096\/revisions\/12101"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=12096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=12096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=12096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}