Event Tracker

The climate behind the weather.

Map image for Record September warmth for Alaska maritime locations

Record September warmth for Alaska maritime locations

October 14, 2014

Map image for Rising atmospheric moisture from global warming not to blame for 2013 Colorado flood

Rising atmospheric moisture from global warming not to blame for 2013 Colorado flood

October 2, 2014

Map image for U.S. temperature extremes and the polar jet stream

U.S. temperature extremes and the polar jet stream

September 16, 2014

Map image for Record-breaking rain in Arizona

Record-breaking rain in Arizona

September 10, 2014

Map image for Spring climate plays major role in Lake Erie algae blooms

Spring climate plays major role in Lake Erie algae blooms

September 8, 2014

Map image for 2014 temperature extremes: U.S. runs hot and cold

2014 temperature extremes: U.S. runs hot and cold

August 29, 2014

Map image for Groundwater: California’s big unknown

Groundwater: California’s big unknown

August 27, 2014

Map image for For southeastern Colorado, dry times may persist into summer

For southeastern Colorado, dry times may persist into summer

April 23, 2014

Map image for Winter storms bring only fleeting relief to drought-stricken California

Winter storms bring only fleeting relief to drought-stricken California

Map image for Great Lakes ice cover most extensive since mid-90s

Great Lakes ice cover most extensive since mid-90s

February 26, 2014

Map image for Despite Fall Floods, Drought Persists in Southeastern Colorado

Despite Fall Floods, Drought Persists in Southeastern Colorado

February 18, 2014

Map image for January precipitation deficits keep California drought outlook grim

January precipitation deficits keep California drought outlook grim

February 7, 2014