Tropical Storm Karen has formed in the open Atlantic, and it's simply gigantic. Accordingly, I've done my latest "Storm Pundit" post about Karen, hurricane size, and what this storm--our eleventh of the year--says about the accuracy of some of the pre-season forecasts. You can read the piece here. Meanwhile, I'll leave you with a picture of Karen that gives some sense of scale:
P.S.: Over at The Scientific Activist, Nick Anthis has penned a nice review of Storm World. I particularly like his personal reminiscences about being a kid obsessed with the weather. Check it out.