What is a Distrail?
A distrail is the clear path through a cloud formed in the wake of an aircraft. Distrails form because the aircraft turns the water droplets…
A distrail is the clear path through a cloud formed in the wake of an aircraft. Distrails form because the aircraft turns the water droplets…
Here’s my selection following a short visit to friends in the Tarn region of southern France. Stately Homes The older, bigger and grander a building…
My thanks to Betsy from Corvallis, Oregon, USA, for this email: Hi! I don’t know if the author has time for such small excitements, but…
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…
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…
My thanks to Peter Gibbs for this gem of an email: I thought you might like this observation from today. I’ve been working in the…
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…
My thanks to Prof. Otta Wenskus for an interesting tip for observing Saturn: This has been a lousy summer for stargazing, though great for learninglots…
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…