this picture because it s pretty remarkable. it was taken about an hour ago. this is former congresswoman gabriel giffords skydiving, three years to the day after she was wounded and left partially paralyzed in that shooting rampage in tucson, arizona. giffords was one of more than a dozen people wounded that day when jared lee loughner opened fire on the congresswoman s meet and greet on january 28th, 2011. six other people were killed and her husband, astronaut mark kelly, tweeted out this picture. he wrote, gabby landed beautifully. happy she s safe. so proud of her bravery. are you ready for a little warm-up? i am. high pressure in the southwest in balmy air from the southeast will be driving this polar vortex back where it belongs before the end of the week, which is great. lest we forget how cold it s been, take a look. this is cnn pop freeze edition. reporter: most of us got sucked into the polar vortex that plunged much of the country into a deep freeze.