Hoar Frost this week
Our yard was covered with Hoar Frost, frozen dew, or white frost, this week and the photo opportunity was irresistible. It is basically explained as moist air and fog in our case, hitting freezing temperatures. If you want an interesting video explanation, the Weather Channel has one at http://www.weather.com/video/what-is-hoar-frost-32366 One helpful weather person defined other types of frost for us. http://www.wsaz.com/blogs/askjosh/81964962.html Rime frost looks like icing around the edges of petals and leaves and only occurs when the temperatures are very low. Fern frost is what we see on windows in really cold weather - I saw this a lot as a child growing up in Ohio. Homelandscapes author Cathy Bell writes about winter life at Old Faithful in Yellowstone National Park, 2013-2014. Here's one paragraph from her post about Hoar Frost (click on the link to read the rest). "Surface hoar is a kind of frost that forms when humid air comes into contact with very ...