today i learned – mon 17th dec 2018

this is actually a repost from earlier in the year ๐Ÿ™ˆ but, with the current freezing weather, i keep getting questions about it ๐Ÿคท๐Ÿปโ€โ™‚๏ธ

#tdil what freezing rain is and how it forms โ„๏ธ

over the weekend, the sub-zero conditions caused a phenomenon called ‘freezing rain’ in some places … something that is more fascinating than it sounds.

it happens when extremely cold air meets a slightly warmer weather front (such as a storm). the mixture of weather means that rain falls from the heavens but passes through a small zone of freezing temperatures.

whilst the name suggests that the rain is frozen and actually creates thoughts of hail like goodness … it isn’t as straight forward as you may think.

you see, despite being below zero degrees, freezing rain isn’t actually frozen as it falls! like, due to the temperature the rain drop should be frozen but it isn’t … instead it’s just supercooled liquid.

it actually can’t freeze because it is travelling too quickly as it flies towards earth ๐Ÿ’ง the consequence of this is rain that should be frozen but is forced to continue as water.

this all changes once the raindrop hits the ground – as soon as it makes contact with a a surface, it instantly freezes! it sounds like something out of a movie ๐Ÿ™ˆ

you could actually refer to it as ready-mix ice ๐Ÿ˜‚ like, instead of water sitting around and freezing later, this just freezes the second it arrives at its destination ๐Ÿ‘๐Ÿป

of course, that’s not really a good thing … it basically means that roads become instant ice rinks. if too much lands, the weight of it can also cause problems to power lines etc ๐Ÿคท๐Ÿปโ€โ™‚๏ธ

be careful out there guys!! ๐Ÿ˜จ๐Ÿ˜˜

laterz ๐Ÿ˜ #tdil

_______

not wanting to go outside because it’s way too cold for life? i can help with that, just go ->here<-

(picture time! the header is ->here<- and the other is ->here<-)

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