On August 25, 2011, Dr. Elwynn Taylor, Iowa State University’s Extension Climatologist, tweeted to Iowa corn farmers: “Weather based statistics indicate a US corn yield of 149BPA, the prime factor this year is the Aridity Index.” Taylor uses NOAA climate information and seasonal outlooks to help thousands of the region’s farmers manage risk. Nearly 5,000 followers look to his Twitter feed for guidance.

Jeanine Jones, Interstate Resources Manager for the California Department of Water Resources, talks about the state's ongoing drought conditions and planning for California's water future.

 

Climate change is a global phenomenon, affecting weather events around the world.

The WestMap climate analysis and mapping toolbox is an interactive, web-based tool that helps users see the climate conditions that underlie droughts, storms, floods, and changes in streamflow.

The U.S. Drought Portal offers access to maps, data, and expert assessments through easy-to-use tools designed to help decision makers monitor, plan for, and recover from water shortages.

The most likely explanation for the lack of significant warming at the Earth’s surface in the past decade or so is that natural climate cycles caused shifts in ocean circulation patterns that moved some excess heat into the deep ocean.

A heat wave struck the Midwest in late August and early September 2013. This map shows the hottest temperatures in the United States between August 1 and September 8, 2013, based on data from NOAA's Real-Time Mesoscale Analysis.

flooded houses on Breezy Point following Hurricane Sandy

Understanding how extreme events in 2012 were influenced—or not—by human-caused climate change

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