Climate classifications help people know what types of conditions a region usually experiences through the year. Rather than having to describe the full range of conditions observed in a region over each month or season of a year, a classification scheme can communicate expected conditions using just two or three terms.

Learn more about how weather data, collected by volunteer observers and automated instruments, is processed into weather and climate data products such as maps, graphics, and models.

Are you new to climate data? Ready to learn or review some of the basics?

From daily temperature readings to tracking of hurricanes across the ocean, monitoring weather gives us a way to check the pulse of the planet. Combining local data from weather stations on the ground with remotely sensed data from instruments on satellites helps build a clear picture of the state of the atmosphere around the world.

After some very cold weather this month, folks are likely wondering if the early chill is a harbinger of things to come this winter. "Not necessarily," explains Mike Halpert of NOAA's Climate Prediction Center in this week's ENSO blog post.

For some states, the coldest day of the year usually occurs near the start of winter, while for others it comes near the end. This map reveals when history says your state will have its coldest day of the year.

Using plain language and easy-to-use tools, the U. S. Climate Resilience Toolkit illustrates climate-related vulnerabilities that communities and businesses face, from national to local scales, and .. ...

This site offers 13 recorded presentations from the 29 July-2 August, 2013 offering of the Climate Variability and Change Virtual Course (CVCVC). This five-day live facilitated online course provided ...

Ports are deeply interconnected with inland areas through the goods imported and exported each year. Climate change impacts on ports can thus have far-reaching implications for the nation's economy. T ...

A basic template for building regional or local sea level rise scenarios. Click image and link to source for additional explanation. Source : . Table 3 (page 16) in Global SLR Scenarios ...