Monday, January 16, 2012

Cold cirrus wisps

01/14/12, 1:30 pm, looking west
The sky was full of teased cirrus wisps on this cold day--sort of sounds like a food! Fresh cirrus wisps, ice-cold cirrus wisps! These look like rooster tails to me, but cirrus uncinus are usually called "mare's tails". 


Unicinus in the name is Latin for hook and refers to the wispy curls the wind makes in the cirrus clouds. Cirrus uncinus generally indicates the presence of high- speed winds, which pilots often associate this cloud with turbulence.


Cirrus uncinus do not necessarily indicate any weather change. They can come before a warm front although that isn't the case on this day. It is getting very cold.



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