https://padlet.com/22karinap615/jkusw5wzflk2 by: Karina Plancarte Zarco en-us 2016-11-14 19:02:06 UTC 2016-11-14 19:31:54 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Bigthunderstorm.png 22karinap615 https://padlet.com/22karinap615/jkusw5wzflk2/wish/137512147    A cold front, an advancing mass of cold air, in particular the trailing edge of the warm sector of a low-pressure system.
   P stands for polar (cold).  ]]> 2016-11-14 19:09:07 UTC https://padlet.com/22karinap615/jkusw5wzflk2/wish/137512147