Observing & Predicting

(VIDEO) Visualizing data makes it easier to understand exactly how an extreme weather event affected people’s lives, livelihoods, and property and how those things could be affected in the future. Knowing how to access and analyze the wide variety of datasets needed to study those events can be a challenge, however. NOAA's Weather and Climate Toolkit makes the job easier. 

 

September 2009

  •  The Sun is the main source of power for the Earth's climate machine. Space-based measurements, begun in 1978, indicate Earth receives an average of 1,361 W/m<sup>2</sup> of incoming sunlight, and the amount varies by about one-tenth of a percent over the course of the 11-year solar cycle. 

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