Observing & Predicting

Since we last covered the California drought, conditions in the state have stayed, well, dry—very dry. Statewide, total precipitation is about equal to or below the lowest three-year period since 1895.

Sunday, May 1, 2011

  • As of 2013, the warming effect of long-lived greenhouse gases in Earth's atmosphere has increased by approximately 34% since 1990.

  • The tornado outbreak across the southern United States in late April 2011 was deadly, devastating, and record breaking. NOAA's "CSI" team is investigating the possible connections between global warming, natural climate patterns, and tornadoes.