Soft rime is similar in appearance to white frost, is very similar in appearance to soft rime, but the formation process is different : it happens when there is no fog, but very high levels of air relative humidity ( above 90 % ) and temperatures below.
2.
Soft rime is similar in appearance to white frost, is very similar in appearance to soft rime, but the formation process is different : it happens when there is no fog, but very high levels of air relative humidity ( above 90 % ) and temperatures below.