Ice Wall in Finland
I’ve just received another fascinating email from ‘Chris in Finland’: I took this photo a few days ago on Lake Näsijärvi, Tampere, Pirkanmaa, Finland. This…
Tag: Sun
Saharan Dust Moon Halo
There was a 22 Degree halo around the moon a couple of nights ago. This is a sign of cirrostratus, a high veil of icy…
How to Beat the Wind
I’ve been faced with an interesting weather challenge recently. I needed to take a sail off my boat for maintenance. This is something I can…
Which Way Are We Looking – Night Walk
I went for a very enjoyable night walk in the South Downs last night. What direction are we looking in the photo above? Answer… We…
Which Way Are We Looking? Snowdonia
I spent much of last week exploring a part of the Snowdonia National Park in Wales that I hadn’t been to before. I took the photo…
What are Anticrepuscular Rays?
If there was no atmosphere the daytime sky would like the nighttime one, but with a fiercely bright star where the sun was. Air is…
Why does the Gnomon on a Sundial Point South?
The pointy bit of a sundial is called a ‘gnomon’. It is the part that casts the shadow and in the northern hemisphere it points…
The Sun is Now Over the Southern Hemisphere
This morning I headed out early into the hills. It was strangely satisfying to watch the sun rise south of east for the first time…
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…