Chris Mooney is a visiting associate in the 
As I noted in the last post, we've now got an official La Nina situation in the tropical Pacific. Here's one of the many figures of current cold anomalies courtesy of NOAA:
Over at the Daily Green, my latest "Storm Pundit" entry discusses what La Nina likely means for the 2007 Atlantic hurricane season. In short, although we can never say precisely what a given year will bring, there's a higher risk of U.S. damage during La Nina years, for a variety of reasons. So...we are hardly in the clear. Not yet.
Details and discussion here.
Environment
Physical Science
