Hoar Frost This Week
Our yard was covered alongside Hoar Frost, frozen dew, or white frost, this calendar week as well as the photograph chance was irresistible. It is basically explained every bit moist air as well as fog inwards our case, hitting freezing temperatures.
If y'all desire an interesting video explanation, the Weather Channel has ane at http://www.weather.com/video/what-is-hoar-frost-32366
One helpful weather condition somebody defined other types of frost for us.
http://www.wsaz.com/blogs/askjosh/81964962.html
Rime frost looks similar icing around the edges of petals as well as leaves as well as solely occurs when the temperatures are real low.Fern frost is what nosotros meet on windows inwards actually mutual depression temperature weather condition - I saw this a lot every bit a minor fry growing upwardly inwards Ohio.
Homelandscapes writer Cathy Bell writes nigh wintertime life at Old Faithful inwards Yellowstone National Park, 2013-2014.
Here's ane paragraph from her postal service nigh Hoar Frost (click on the link to read the rest).
"Surface hoar is a sort of frost that forms when humid air comes into contact alongside real mutual depression temperature snowfall on the ground. It tends to flat on cold, clear nights alongside niggling wind. Why? The lack of cloud embrace agency that there’s no insulating atmospheric blanket to boring rut loss, as well as thence snowfall on the Earth gets real mutual depression temperature real fast. (Trees as well as shrubs furnish a similar blanketing effect, as well as thence surface hoar is much less mutual inwards forests, say, than inwards opened upwardly areas.) If y'all convey air alongside high wet content, the molecules of H2O vapor that bump into the mutual depression temperature snowfall surface tin forcefulness out of a precipitous convey as well as thence much rut sucked out of them that they freeze inwards place—without always going through the liquid phase."