El Niño is a global phenomenon. Guest blogger Dr. Andrew Watkins shines some light on El Niño's impact across the world in Australia.
...but it's still a seasonal forecaster's best friend.
Blogger Tom Di Liberto explains the math behind some of the tests that seasonal forecasters use to check forecast skill, and then shows how skillful the past decade's winter forecasts have been.
An El Niño means lots of rain for California, correct? Well, some of the time, but not always.