What is Radiation Fog?
We are used to feeling the warmth from the sun on our faces. Heat radiates millions of miles across space, through our atmosphere to warm…
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Tag: weather
Urban Picture Puzzle
This picture was taken near the middle of the day in London. What direction are we looking? Clue: look for the circle and the square.…
Using A Tree Stump as a Compass on Hills
Regular readers will be familiar with the idea that a tree stump can be used as a compass. In trees exposed to plenty of sun,…
Birds and Weather Signs
Perching birds usually face into any breeze. It stops their feathers getting ruffled, but more importantly allows them to take off quickly into wind. So…
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…
Red Sky in the Morning, Shepherd’s Warning
As the shepherds warn us, a red sky in the morning is not a good sign. We often see a notably red sky in the…
Nature’s Altimeter
The next time you get the chance to look across a valley to a high peak, make sure to enjoy your view of nature’s altimeter.…
Nieves Penitentes – A Rare Snow Compass
Nieves penitentes are an unusual snow formation, found only in dry air at high altitudes in areas exposed to intense sunlight. In the right conditions…