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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 61

NWS STORM PREDICTION CENTER NORMAN OK

320 PM EST FRI MAR 2 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN GEORGIA

       WESTERN NORTH CAROLINA

       UPSTATE SOUTH CAROLINA

       EASTERN TENNESSEE

       FAR WESTERN VIRGINIA



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 320 PM UNTIL

1100 PM EST.



TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES WEST NORTHWEST OF

BRISTOL TENNESSEE TO 50 MILES SOUTHEAST OF CHATTANOOGA TENNESSEE.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS.



OTHER WATCH INFORMATION...CONTINUE...WW 56...WW 57...WW 58...WW

59...WW 60...



DISCUSSION...TSTMS RAPIDLY INTENSIFYING OVER NRN AL AND SRN MIDDLE

TN ARE EXPECTED TO MOVE INTO WATCH AREA FROM THE WEST WITH

ADDITIONAL IN SITU STORM FORMATION POSSIBLE ALONG WARM FRONT LIFTING

NWD THROUGH THE SRN APPALACHIANS.  AIR MASS WILL CONTINUE TO

DESTABILIZE WITH THE NWD PROGRESSION OF WARM FRONT WITH MLCAPE

VALUES INCREASING TO 500-1500 J/KG.  WHEN COUPLED WITH STRONG

DEEP-LAYER SHEAR AND ENHANCED LOW-LEVEL SHEAR/VORTICITY ALONG WARM

FRONT...SETUP WILL FAVOR THE DEVELOPMENT OF SUPERCELLS CAPABLE OF A

FEW TORNADOES...DAMAGING WINDS AND SEVERE HAIL.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 25040.





...MEAD

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