NEW 1 Inch Hail Criteria
On January 4th, 2010, at 6:01 pm, all National Weather Service forecast offices will operationally change the minimum hail size criterion used to issue severe thunderstorm warnings from 3/4 inch (penny sized) diameter or larger hail to 1 inch (quarter sized) diameter or larger.
No change is being made to the severe thunderstorm warning criterion of wind gusts equal to or in excess of 58 miles per hour.
For more details see http://www.srh.noaa.gov/bmx/?n=oneinchhail
Mark / WD4NYL
President of ALERT
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