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…
Tag: weather signs
Sign of a Barefoot Runner
My thanks to Tim Crook for his very interesting emails and for permission to share here. Hi Tristan You suggested getting in touch if we…
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…
When clouds appear like rocks and towers…
… the Earth’s refreshed by frequent showers. It is so rewarding when weather lore helps us remember a clue. It is doubly satisfying when this…
What is a Gap Wind?
Whenever a wind is forced through a narrow gap it accelerates. This is true of all fluids, gas and liquid, it is the reason we…
Animal Weather Signs in Montana
My thanks to Dean for this very interesting pair of emails from dry cow country, Montana, USA: Tristan, I’m getting to the last fifty pages…
Dew: A Sign of a Clear Skies
There are many signs within dew, but the simplest one is that you are most likely to see it after clear and cloudless skies overnight.…
The Michael Ball Show on Radio 2
It was a joy and an honour to be a guest on the legendary Michael Ball Show on Radio 2 on Sunday. If you missed…
Two Cloud Signs Showing Rain Likely Soon
There are two strong cloud signs in this picture showing that rain is likely soon. A heavy downpour started 20 minutes after this photos was…