Rime Frost

rambling ratz

We had another night of freezing fog. The fog was still pretty dense by the morning. Bulmer’s woodpecker was well lit though.Photo of Bulmer's woodpecker in fog

The happy thing about a foggy night when it is very cold is that rime frost is created. The water droplets in fog are very much smaller than rain droplets. When these tiny droplets hit an object that is below freezing, such as a branch of a tree, these droplets release their heat very rapidly. This results in them freezing at high speed and pretty much maintaining their form. These frozen droplets build up on top of each other with air gaps between, this makes them appear white. And so rime frost is formed creating a very pleasing effect upon objects.Photo of Frosty trees in the fog

The effect is similar to hoar frost; this is formed when the air is humid, but it is a clear freezing night. Glaze frost is created when…

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Frosty Mornings

rambling ratz

After some unseasonably mild weather, we have had a couple of frosty mornings. This always makes the garden look prettier.

It does seem that my poor apple tree has a case of coral spot. This is a fungal infection caused by the pathogen, Nectria cinnabarina. Apparently it is a sign that the poor tree is already ailing. I fear that neglect followed by amateur pruning has brought it to this sorry state.Photo of frosty apple branch with coral spot

Last night the frost rime was even thicker. The cobweb draped frosty seed head of the golden rod looked like something Miss Haversham might have in a vase.Photo of frosty golden rod seed head

The fallen leaves looked like the Ghosts of Autumn Past.Photo of frosty fallen leaves

The holly and laurel berries were given a wintry sugar frosting.

Who doesn’t love a frosty log covered with ivy?Photo of frosty log with ivy

The rose hips were looking good too.Photo of frosty rose hips

The orb weaving spiders always give good value in a frost, or…

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