{"id":4221,"date":"2009-11-04T09:58:36","date_gmt":"2009-11-04T09:58:36","guid":{"rendered":"http:\/\/scienceblogs.com\/principles\/2009\/11\/04\/a-question-about-frost\/"},"modified":"2009-11-04T09:58:36","modified_gmt":"2009-11-04T09:58:36","slug":"a-question-about-frost","status":"publish","type":"post","link":"http:\/\/chadorzel.com\/principles\/2009\/11\/04\/a-question-about-frost\/","title":{"rendered":"A Question About Frost"},"content":{"rendered":"<p>It&#8217;s November now, which means we&#8217;re edging into winter, and my morning ritual has been expanded to include scraping the frost off the cars when I get back from walking the dog. I&#8217;ve had to do this half a dozen times already, and I&#8217;ve noticed a puzzling pattern.<\/p>\n<p>Our driveway is aligned almost exactly east-west, with the cars facing east when they&#8217;re pulled in at night. This means that one set of side windows faces north, and the other south. And here&#8217;s the thing that puzzles me: the frost layer is significantly thicker on the south-facing side windows than on the north-facing side windows. I have to actively scrape the south-facing windows, but the north-facing ones I can just about wipe off with my hand.<\/p>\n<p>I have no idea why that should be the case (the cars are symmetric under reflection about the axis, after all), but it&#8217;s very repeatable. But then, I&#8217;m not all that clear on the science of frost formation in the first place. I&#8217;m sure that some of my wise and worldly readers know more about weather-related matters than I do, though, so maybe one of you can explain it to me. Why <em>do<\/em> the south-facing car windows collect more frost than the north-facing car windows?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It&#8217;s November now, which means we&#8217;re edging into winter, and my morning ritual has been expanded to include scraping the frost off the cars when I get back from walking the dog. I&#8217;ve had to do this half a dozen times already, and I&#8217;ve noticed a puzzling pattern. Our driveway is aligned almost exactly east-west,&hellip; <a class=\"more-link\" href=\"http:\/\/chadorzel.com\/principles\/2009\/11\/04\/a-question-about-frost\/\">Continue reading <span class=\"screen-reader-text\">A Question About Frost<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"1","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48,11],"tags":[],"class_list":["post-4221","post","type-post","status-publish","format-standard","hentry","category-environment","category-science","entry"],"_links":{"self":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/posts\/4221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/comments?post=4221"}],"version-history":[{"count":0,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/posts\/4221\/revisions"}],"wp:attachment":[{"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/media?parent=4221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/categories?post=4221"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/chadorzel.com\/principles\/wp-json\/wp\/v2\/tags?post=4221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}