After a long watch, NOAA has issued an El Niño Advisory. What changed? And what does it mean for U.S. weather?
How do we verify forecasts that use probabilities? Read on to find out.
The model predictions during 2014 were not that shabby. A major, strong El Niño was not well justified by the predictions.
For more than 6 months, NOAA has been issuing El Niño watches, but never an advisory. Here we show whether recent patterns in precipitation resemble those expected during El Niño.
At the beginning of February, the atmosphere was looking a little bit like El Niño. Is this just another rolling stone?