More than half of the United States experienced heat, drought, or flooding during 2011, demonstrating the power and momentum of climate extremes.

We can have record-setting blizzards and global warming at the same time. NOAA scientists explain climate variability, how it influenced our weather this winter, and how it differs from climate change.

...but it's still a seasonal forecaster's best friend.

The Colorado Climate Change Vulnerability Study

Western Water Assessment, in collaboration with Colorado State University, conducted a broad study of climate vulnerability for the state of Colorado. Drawing from existing data and peer-reviewed research, the study summarizes the key challenges facing seven sectors: ecosystems, water, agriculture, energy, transportation, outdoor recreation and tourism, and public health.

If we look only at rainfall changes, and not ocean temperatures, can we get a clearer picture of how climate change will influence ENSO? Guest blogger Mat Collins from University of Exeter explains what recent studies have to say.

U.S. Climate Resilience Toolkit

In response to the President's Executive Order 13653, a NOAA-led U.S. federal agency partnership released the U.S. Climate Resilience Toolkit to provide tools, information, & scientific expertise to help communities & businesses build resilience to climate-related impacts & extreme events.

A 1-day conference on minimizing impacts to waterfront businesses, and the shores they're situated on, from extreme storms and rising seas.

Lake Level Viewer: United States Great Lakes

This tool helps users visualize lake level changes that range from six feet above to six feet below historical long-term average water levels in the Great Lakes, along with potential shoreline and coastal impacts.

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