UPDATED: Arctic Amplification UPDATED: Winter Storm Risk Increase Daily ENSO Region Sea Surface Temperature Anomaly by NOAA/ NWS/ NCEP/ EMC Marine Modeling and Analysis Branch Anomaly from 1961-1990 climatology. Click here for archived maps dating back to September 28, 2012. Go to Site Related Climate Signals Extreme El Niño Frequency Increase Sea Surface Temperature Increase