NEW: Central US Winter Storms February 2021 UPDATED: Arctic Amplification UPDATED: Winter Storm Risk Increase Map: North Atlantic SST Anomaly August 11, 2016 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 Events Eastern US Extreme Heat August 2016
