Extreme Events

The Arkansas Valley is enduring the driest continuous period in Colorado's history of recorded data, recalling conditions the state's southeastern plains experienced during the Dust Bowl.

May 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.

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