...because I am an utter So-Cal sissy when it comes to cold weather (i.e. anything slightly less than 75 degrees is "a bit chilly.")I don't want to lose any extremities to the cold, especially my most favorite one, nor do I wish to die on my birthday weekend.I was told to "bring a parka," and I'm not quite sure how literally I should take that. I'm hoping it was a metaphor or something.I own a sk…