Observing & Predicting

Never in the historical record have such large areas of the country experienced such radically different temperature extremes as they have so far in 2014.

Monday, February 1, 2010

  • NOAA researchers have built a "time machine" for weather that provides detailed snapshots of the global atmosphere from 1891 to 2008. The system's ability to "hindcast" past weather events is emerging as a powerful new tool for detecting and quantifying climate change.