Extreme Events

2017 Arctic winter maximum and Antarctic summer minimum both set new record lows

2017 Arctic winter maximum and Antarctic summer minimum both set new record lows

Observing & Predicting March 22, 2017

Despite being at opposite points of the annual cycle, the Arctic and Antarctic had something in common in March 2017: record-low sea ice extents.

Map image for Late winter wildfires burn through Texas, Oklahoma, and Kansas in March 2017

Late winter wildfires burn through Texas, Oklahoma, and Kansas in March 2017

March 22, 2017

Map image for Heavy summer rains flood Peru

Heavy summer rains flood Peru

March 10, 2017

Map image for February’s Storm Doris weather bombs Great Britain

February’s Storm Doris weather bombs Great Britain

March 1, 2017

Late winter 'heatwave' hits the U.S. in February

Late winter 'heatwave' hits the U.S. in February

Extreme Events February 28, 2017

Extremely mild temperatures broke records across the central and eastern United States at the end of February.

Flooding concerns at Oroville Dam as water levels reach capacity

February 14, 2017

Map image for January 2017 brings the heat down under in Australia

January 2017 brings the heat down under in Australia

February 10, 2017

Map image for Soaking rains and massive snows pile up in California in January 2017

Soaking rains and massive snows pile up in California in January 2017

January 30, 2017

Map image for Scientists link to toxic algal blooms along U.S. West Coast to warm waters in the Pacific

Scientists link to toxic algal blooms along U.S. West Coast to warm waters in the Pacific

January 23, 2017

Map image for The paradox of lake effect snow: global warming could bring the Great Lakes more of it, at least for a while

The paradox of lake effect snow: global warming could bring the Great Lakes more of it, at least for a while

January 11, 2017