The First Long Contrail
It is very satisfying to notice the first long contrail, it’s one of the earliest warnings of a weather change. A front is likely on…
Tag: moisture
How to Tell Which Way a Storm is Heading
There is a simple technique for working out which way a distant storm is heading. Just look for the ‘finger’. Quick description: There is a…
Choose Lichens Over Mosses for Effective Navigation
Mosses get all the press, but lichens are the stars when it comes to effective natural navigation. In the video above I look at the…
How to Forecast Weather with Contrails
Below is a short excerpt from the book, The Secret World of Weather, on how contrails can be used to predict changes in weather Contrails…
What are Lens Clouds? (Altocumulus lenticularis)
Lens clouds are saucer, lens or lentil-shaped clouds that form when wind blows moist air over mountains. Their formal name is Altocumulus lenticularis (lenticula means…
The Truth About Moss
Moss is probably the best known natural navigation indicator in the world. It is also excellent at demonstrating how easy it is to go wrong…
Trentepohlia, Moisture and Signs Pointing North
Here is a nice example of trentepohlia on the north side of a tree. This algae thrives in moist, shady places and can be one…
Moisture and Moss
Moss means moisture, which can sometimes help with direction. The moss on this tree is growing on the north side, but it takes a surprising…
Ground Moisture
Happy New Year! At times like this, I sometimes wonder what the Earth and Sun would say to each other if they could talk. They…
Moss on Northern Sunny Side
As we approach the summer solstice the sun has so much north in it that no side of buildings, trees or other exposed areas will…
Moisture Compass
In this photo you can see the dew that the sun has not yet burnt off. The shadow itself is mostly moving right to left…
Slightly Fickle Moss
Having spent the morning organising images for upcoming courses, I was reminded of a regular problem with learning anything practical from nature. There is a…