Predicted and Observed Rainfall Anomalies (IMAGE) University of Texas at Austin Caption Computer models show predicted and observed rainfall anomalies around the globe during the second year of La Niña events, including a future prediction for 2018. Predicted values are on the left and observed on the right. The rainfall anomaly refers to the deviation in rainfall during a particular year compared to the expected rainfall for the region. Credit Pedro Di Nezio/University of Texas Institute for Geophysics/ Jackson School of Geosciences. Usage Restrictions Credit source License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.