August 30, 2009

The Southern Oscillation Index tracks differences in air pressure between the eastern and western sides of the tropical Pacific.

August 30, 2009

Temperatures measured on land and at sea for more than a century show that Earth's globally averaged surface temperature is experiencing a long-term warming trend.

August 30, 2009

The Arctic Oscillation (AO) refers to an atmospheric circulation pattern over the mid-to-high latitudes of the Northern Hemisphere. The most obvious reflection of the phase of this oscillation is the north-to-south location of the storm-steering, mid-latitude jet stream.

August 30, 2009

The Oceanic Nino Index tracks the sea surface temperature in the east-central tropical Pacific Ocean. It is NOAA's primary indicator of the climate patterns known as El Niño and La Niña. 

August 30, 2009

Over the span of days or weeks, the strength of surface air pressure over the North Atlantic seesaws between Iceland and the Azores Islands. The shifting pressure reflects changes in atmospheric circulation that have a big impact on mid-latitude weather in the U.S. and Europe. 

Climate Change 2014: Impacts, Adaptation, and Vulnerability

On March 31 in Yokohama, Japan, the Intergovernmental Panel on Climate Change approved and released Working Group II's Summary for Policymakers and the underlying scientific and technical assessment.

Climate Change and Infrastructure, Urban Systems, and Vulnerabilities

This Technical Input to the U.S. National Climate Assessment examines vulnerabilities of infrastructures and urban systems to extreme weather and other events associated with climate change.

Pages