There are a few types of frost that can form on cold, humid nights. Soft rime ice has a clear tell — it looks like needles or spikes, and it's soft like feathers.
Angela Fritz, Washington Post: Local
Tue, 01/16/2018 - 4:36pm
There are a few types of frost that can form on cold, humid nights. Soft rime ice has a clear tell — it looks like needles or spikes, and it's soft like feathers.