NEW: Central US Winter Storms February 2021 UPDATED: Arctic Amplification UPDATED: Winter Storm Risk Increase Graph: February's global temperature spike by The Conversation, Stefan Rahmstorf February temperatures from 1880 to 2016 from NASA GISS data. Values are deviations from the base period of 1951-1980. Go to Site Related Events Global Heat Records 2016 Related Climate Signals Global Warming