Wednesday, April 7, 2010

Severe weather threat for today - 4/7/10


A slight risk of severe weather continues today for all of the metro area and broader Mid-South region. A cold front will approach from the west this afternoon. Combined with ample and increasing moisture, strong winds at the surface and aloft, and a pocket of cold air overhead, it will trigger scattered thunderstorms this afternoon as the airmass destabilizes, then a likely squall line of strong to severe storms early this evening.

The main severe weather threats will be damaging straight-line winds in excess of 60 mph and quarter-sized or larger hail. An isolated tornado cannot be ruled out. The timing for any severe weather is expected to be between 4-9pm in the Memphis metro area - earlier to the west and later to the east - though rain showers and "general" thunderstorms are possible beginning in the early afternoon. Rain should move out fairly quickly as the cold front passes between 9-11pm tonight.

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