How does frost form?
![How does frost form?](https://media.whas11.com/assets/WHAS/images/f29f1196-f4b4-48ac-8dc9-56123eca362e/f29f1196-f4b4-48ac-8dc9-56123eca362e_1920x1080.jpg)
We've entered frost season in Louisville. Meteorologist Alden German explains the science behind frost formation.
Meteorologically speaking, frost formation is relatively simple. Here's what you need to know.
![](https://media.tegna-media.com/assets/WOI/images/b20587e2-7a38-4e71-a8db-7b9fd11b9253/b20587e2-7a38-4e71-a8db-7b9fd11b9253_1920x1080.jpg)
The difference between hoar frost and rime ice
Rime ice - US National Weather Service Spokane Washington
![](https://wpcdn.us-east-1.vip.tn-cloud.net/www.klkntv.com/content/uploads/2021/02/rime-jennifer-hardy.jpg)
Freezing fog covers southeast Nebraska in rime: What is it and how does it form?
![](http://wxguys.ssec.wisc.edu/wp-content/uploads/2017/10/BerryFrost.jpg)
How does frost form?
![](https://upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Frost_patterns_2.jpg/270px-Frost_patterns_2.jpg)
Frost - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/b/b3/Saint-Amant_16_Gel%C3%A9e_blanche_2008.jpg)
Frost - Wikipedia
![](https://www.wkbn.com/wp-content/uploads/sites/48/2021/04/frost-cold-spring-weather-generic.jpg)
How does frost form?
![](https://kubrick.htvapps.com/htv-prod-media.s3.amazonaws.com/images/thumbnail-frost-formation-1-1665004803.png?crop=1xw:1xh;center,top)
Iowa weather: Why frost happens even when temperatures don't reach freezing
How does frost form and what to do to protect your plants