Global temperatures continue to rise making storms more intense.  Researchers say the current scale used to measure a hurricane's wind strength and danger...don't go far enough.  Do we need a category 6 level for hurricanes?  Michael Wehner, of the Lawrence Berkeley National Laboratory, is lead author of the research.  Wehner is On the Record with Steve Scott.

<p>Global temperatures continue to rise making storms more intense.  Researchers say the current scale used to measure a hurricane's wind strength and danger...don't go far enough.  Do we need a category 6 level for hurricanes?  Michael Wehner, of the Lawrence Berkeley National Laboratory, is lead author of the research.  Wehner is On the Record with Steve Scott.</p>

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