Why is visibility so good in the mountains?
Many visitors to cold mountains are struck by the amazing visibility. The visibility is so good that it can trick the brain into thinking things…
Tag: cloud clues
A Plein-Air Artists’ Manual
One of the great joys of natural navigation is that it intrigues such a wide variety of people, something it shares with food. We can’t…
What is the Planetary Boundary Layer?
From The Secret World of Weather: The lowest part of the atmosphere is the only area strongly influenced by the sun’s radiative heating of the…
The Meaning of Cloud Streets
On a flight back from Spain to the UK, we were treated to a great display of “cloud streets” over France. They form parallel to…
The Foehn Fish
Another very interesting email from Prof. Otta Wenskus: Hi Tristan, I just read your paragraph on altocumulus lenticularis. Sadly, while Ifind them beautiful, my feelings…
The Clouds Map the Ground
On first glance these clouds may appear random. But they are far from it. They are making a map of the ground for us. With…
How to Gauge High Winds Using Trees
The tops of trees or other fixed objects in the middle distance make it easier to gauge the effect of the wind on clouds or…
How to Navigate with Rainbows
Many people believe that a thing must be either beautiful or practical. But nature brims with examples that manage both. Rainbows are pretty, but they…
Signs in the Sky – New Animation!
Here is the second in the short series of short animations. Hope you enjoy! (If you missed the Water one, you can find that on…