þÿ<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="content-type" content="text/html;charset=iso-8859-1"> <link href="http://www.barransclass.com/ClassStyle.css" rel="stylesheet"> <title>Why is the sky green before a tornado? Is it a warning or optical illusion?</title> </head> <body> <h1 stle="color:orange"> Taking a Close Look At Why The Sky Turns Green</h1> <p style="text-align:left"> <img src="images.jpg" alt ="GreenSky1" width="259" height="194"/> <p style="color:green">Have you ever seen the sky before a tornado? The sky becomes a green color. Is this just an optical illusion or is the sky actually green? According to one article there is not much evidence that supports a green sky one way or another. The article Fact or Fiction: Is the Sky Green Run for Cover suggests that the green sky is in fact a real thing and not just an optical illusion. The article also suggests that a green thunderstorm sky is more common than a person might think. The article states that since the sky gets so dark during a thunderstorm it is truly hard to determine if the sky does turn green. Based on this statement I would say that green storms are much more common than we think; we just cannot see them all the time. I am sure you are still wondering what exactly makes the sky look green. Several theories state that the water particles in the storm cloud is what can make the sky turn a green color. First, we must look at why the sky is blue. The sky is blue because light waves are reflected off of the particles in the sky and blue goes in every direction, thus causing the sky to appear blue to the human eye. The next thing that you need to understand about why the sky is green is where the sun is in the sky when a storm is coming. With the sun being low in the sky the light of the sun is a red/yellow color. Now that you understand why the sky is blue and the importance of where the sun is located we can talk about why the sky turns green when a tornado is approaching. Imagine a nice day where the sky is its gorgeous blue color and the sun is sitting low in the sky. Dark storm clouds are moving in and you decide to look up at the sky and all of a sudden the sky has managed to change colors right before your eyes! You ask yourself what happened. The main thing that happened was the color yellow from the sun mixed with the blue light particles of the sky and when you mix yellow and blue you get green. This is why the sky turns green before a tornado touches down. A final theory that has been talked about is that green skies can warn people about a hail storm. In the article, &ldquo;Theories on why thunderstorms are green&rdquo; the author talks about how hail can produce a green sky in order to warn people that there might be a serious hail storm on the way. However, this theory is no longer accurate. The article states that researchers have seen clouds of numerous colors produce hail. Since researchers have seen this they say that this theory is no longer accurate. So based on the research that I have conducted I would like to say that I believe the sky truly does turn green before a tornado or hail storm. One interesting fact that I would like my readers to remember is that different people may see different shades of green or no green at all. Remember that when you talk to your friends about this weather pattern they might not believe you. If you live in a state where tornados are common watch the sky during tornado season and see if you see the sky change from blue to green or from blue to gray. By watching this you could start an interesting conversation with your friends. I know for a fact that if I see a green sky I am going to grab my dog and warn everyone that a tornado or hail storm is approaching. I would much rather be safe than sorry. This is Mother Nature&rsquo;s warning that we should run for cover. <h2 style="color:orange"> Annotated Bibliogrpahy</h2> <p style="color:green">(2008). Curiosities: why does the sky turn green before a tornado?. University of Wisconsin-Madison, Retrieved from <a href="http://www.news.wisc.edu/15301">www.news.wisc.edu/15301</a></p> <p style="color:green"> The information in this article was relevant to my physics question because it explained why the color of the sky changes color when there is a tornado brewing. It talked about why the sky is blue and mentioned briefly the theories on why the sky turns green. The information in this article is very reliable because it came from the University of Wisconsin- Madison. The article also quoted a research meteorologist. The source was very useful in composing my answer because I was able to understand why the sky turns green before a hail storm or tornado hits. The source is useful because it explained the reasoning behind why the sky is blue and why the sky turns green before a big storm.</p> <p style="color:green">Knight, M. (2007). Fact or fiction?: if the sky is green, run for cover-a tornado is coming. Scientific American, Retrieved from <a href="http://www.scientificamerican.com/article.cfm?id=fact-or-fiction-if-sky-is-green-run-for-cover-tornado-is-coming">www.scientificamerican.com/article.cfm?id=fact-or-fiction-if-the-sky-is-green-run-for-cover-tornado-is-coming</a></p> <p style="color:green">The information in this article was relevant to my physics question because it also talked about why the sky is blue and why the sky changes to green when a tornado might be brewing. This article went into to a greater detail about the theories as to why the sky changes color. The information in this article is reliable because the Scientific American magazine is a science magazine. The source quotes a professor at Pennsylvania State University. The source was very useful in coming up with my answer because I was able to read and comprehend what this author was saying about the colors of the sky. I used this article to help me understand the first article that I looked at. The article also talked about the theories of the green sky. This source is useful because it explained the theories in detail and talked about the sky color in a way that was fairly easy to understand</p> <p style="color:green">Cappella, C. (2001, March 28). Theories on why some thunderstorms are green. USATODAY.com. Retrieved from <a href="http://www.usatoday.com/weather/science/green-thunderstorms.htm">www.usatoday.com/weather/science/green-thunderstorms.htm</a></p> <p style="color:green">The information in this article was relevant to my physics question because this article focused on the theories of why the sky turns green. It also talked about the colors but focused more on the theories. The article is reliable because it comes from USATODAY.com. This article also quotes researchers who have been studying this theory for a long time. The source was useful in coming up w ith my answer because it elaborated on the theories that I found in another resource that I used. This article is useful because it is an easy read article that is interesting and allows the average person to understand the theories of the green sky phenomenon.</p> <p style="color:green">Why doe the sky change color before a tornado?. (2010, July 10). Retrieved from <a href="http://earthsky.org/earth/why-does-the-sky-change-color-before-a-tornado">earthsky.org/earth/why-does-the-sky-change-color-before-a-tornado</a></p> <p style="color:green">The information in this article was relevant to my physics question because this article focused on the colors of the sky and how the position of the sun can change the color of the sky. This article is reliable because it comes from an online magazine. This article quotes researchers who have been studying this theory for a long time. This article explained the position of the sun which was something I never thought of before. I also found it fairly easy to read and comprehend when it came to talking about colors of the sky. This article is useful because it was easy to read and understand. It was also enjoyable and helped me further understand my topic.</p> </body> </html>