This year’s Arctic Report Card emphasizes that climate change is more prominent in the Arctic than at lower latitudes.

Jackie Richter-Menge describes the "Arctic amplification" phenomenon: how the loss of Arctic sea ice leads to further warming.

The U.S. had its fourth warmest winter on record. In this episode of ClimateCast, NOAA’s Deke Arndt recaps the 2011-2012 winter.
 

This animation of photo-like satellite images documens the extreme variability of surface melt on part of the Greenland Ice Sheet in the past decade.

Doug Kluck, Central Region Climate Services Director, and Kevin Low, Missouri Basin River Forecast Center Hydrologist, share their perspectives about NOAA's involvement in responding to the Missouri River floods of 2011.

In the mid-1980s, the winter sea ice pack in the Arctic was dominated by multi-year ice—ice that had survived at least one summer melt. Today, less than half of the sea ice at winter maximum has survived at least one summer.

An expert on climate conditions and food security explains why some parts of East Africa are so vulnerable to climate shocks like the ongoing drought.

An expert on climate conditions in East Africa describes the climate factors behind the 2011 drought, which has contributed to food insecurity and famine.