Extreme Events

Flash floods scoured Phoenix and surrounding areas on September 8, 2014. How did the rainfall totals compare to normal September precipitation?

Sunday, May 1, 2011

  • Above-average sea surface temperatures, a natural cycle of increased hurricane activity, and a fading La Nina have influenced the 2011 Atlantic hurricane outlook.

  • 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.