Natural Climate Patterns
- December 31, 2011
A year-long La Niña contributed to dramatic variability in seasonal temperature patterns in 2011.
- December 21, 2011
Climate forecasters often describe the Arctic Oscillation as the “wild card” of the winter forecast. So far in 2011, the Arctic Oscillation has been in its positive phase, playing the card that favors a milder winter in the eastern United States.