A mild winter and warm spring have led to a large patch of open water in the Chukchi Sea off Alaska, an extremely unusual—possibly unprecedented—occurrence for mid-May.
Extreme Events
Cyclone Donna churns in the South Pacific
May 10, 2017
Spring drought conditions expand in Florida
May 1, 2017
The 2017 tornado season across the United States has gotten off to an active start. As of April 22, 570 tornadoes have been reported, which is almost a hundred more than average.
