NEW: Central US Winter Storms February 2021 UPDATED: Arctic Amplification UPDATED: Winter Storm Risk Increase Graph: Annual and 5-year mean land surface temperature and SST (updating) by Dr. Makiko Sato, Columbia University For more graphs and information, click here and here. Go to Site Related Events Hurricane Harvey 2017 Related Climate Signals Sea Level Rise Land Surface Temperature Increase Intense Cyclone, Hurricane, Typhoon Frequency Increase