Welsh wheels
Lycra king
- Location
- South Wales
Am I right in thinking that ice can't form unless the temperature is below freezing? Or is it more complicated than that?
As a general rule in life, everything is more complicated than that, where that is what you learned in school.
The met office is showing this warning map for now,
View attachment 386720
And for tomorrow ...
View attachment 386721
The southerly ice warning is from 4-11am tomorrow, and the Scottish is from now until midday.
This was the subject of a podcast I listened to on Friday. It's impurities that starts the crystals forming.On some TV documentaries they have shown that pure water can remain a liquid way, way below zero whilst in a container, but once you tap it will freeze solid instantly.
And (listen to the podcast) bacteria cause and travels by snow. Scientists believe there is a bacterium at the centre of every snowflake!In the same way that the particles from burning coal and wood, caused smogs.
Con trails from aircraft too, according to my physics teacher way back when. Of course we all know it's a whole lot more sinister than that.In the same way that the particles from burning coal and wood, caused smogs.