Observing & Predicting

On the afternoon of May 23, Alaska set a new statewide record for the earliest day in the year with a temperature in the 90s.

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.