Friday, April 23, 2010

Updated Storm Risk

From NWS:



...MODERATE RISK OF SEVERE WEATHER FOR ALL OF MIDDLE TENNESSEE ON SATURDAY...

A MODERATE RISK MEANS THAT THERE IS A 45 PERCENT CHANCE OF A SEVERE
WEATHER EVENT (DAMAGING WINDS...LARGE HAIL OR TORNADOES) OCCURRING
WITHIN 25 MILES OF ANY GIVEN LOCATION IN MIDDLE TENNESSEE.

A WARM FRONT EXTENDED FROM WESTERN TENNESSEE DOWN INTO NORTHWEST
ALABAMA AT MID AFTERNOON. THE WARM FRONT WILL LIFT NORTHWARD LATER
TONIGHT AND BRING A ROUND OF THUNDERSTORMS INTO SOUTHWEST MIDDLE
TENNESSEE DURING THE EARLY EVENING AND INTO THE NASHVILLE AREA
AROUND 10 PM. THIS ACTIVITY WILL CONTINUE DURING THE OVERNIGHT
WHILE ENDING FROM THE SOUTHWEST. A FEW STORMS COULD BE STRONG TO
SEVERE IN THE OVERNIGHT HOURS...WITH LARGE HAIL BEING THE MAIN
THREAT. ANOTHER ROUND OF STORMS...THAT WILL LIKELY CONTAIN
DAMAGING WINDS...LARGE HAIL AND ISOLATED TORNADOES WILL MOVE INTO
SOUTHWEST MIDDLE TENNESSEE AROUND 8 AM AND MOVE NORTHEAST INTO THE
NASHVILLE AREA BY 10 AM. FROM 10 AM AND THROUGH THE AFTERNOON
HOURS...SUPERCELL STORMS ARE LIKELY THROUGHOUT MIDDLE TENNESSEE...WITH
TORNADOES POSSIBLE.

THIS IS THE STRONGEST STORM SYSTEM TO AFFECT MIDDLE TENNESSEE SO
FAR THIS SPRING...AND THE POTENTIAL FOR SEVERE WEATHER LOOKS TO BE
INCREASINGLY LIKELY...INCLUDING TORNADIC SUPERCELLS.


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