{"version":"1.0","provider_name":"","provider_url":"https:\/\/www.paperstone.co.uk\/News","author_name":"Paperstone","author_url":"https:\/\/www.paperstone.co.uk\/News\/articles\/author\/paperstone","title":"Hole-Punch Clouds","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"l773wf7YXc\"><a href=\"https:\/\/www.paperstone.co.uk\/News\/articles\/hole_punch_clouds\">Hole-Punch Clouds<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.paperstone.co.uk\/News\/articles\/hole_punch_clouds\/embed#?secret=l773wf7YXc\" width=\"600\" height=\"338\" title=\"&#8220;Hole-Punch Clouds&#8221; &#8212; \" data-secret=\"l773wf7YXc\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.paperstone.co.uk\/News\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"&nbsp; The picture above shows what is known as a hole-punch cloud, this one photographed over Alabama. These clouds have been baffling cloud scientists for years but it has been recently discovered the holes can be caused by airplanes passing nearby which change local atmospheric conditions. Clouds susceptible to hole-punching occur at specific altitudes and [&hellip;]"}