#383 Postby CrazyC83 » Tue Feb 05, 2008 8:02 pm 
			
			
			
			Another new watch, probably PDS, coming soon:
MESOSCALE DISCUSSION 0168
   NWS STORM PREDICTION CENTER NORMAN OK
   0659 PM CST TUE FEB 05 2008
   
   AREAS AFFECTED...MIDDLE TN
   
   CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY 37...
   
   VALID 060059Z - 060230Z
   
   A NEW TORNADO WATCH WILL LIKELY BE NEEDED FOR PORTIONS OF MIDDLE TN.
   
   
   TORNADIC SUPERCELLS WITH A HISTORY OF DAMAGE PERSIST OVER WRN TN AND
   NRN MS. THESE CELLS ARE MOVING QUICKLY TO THE NE AT OVER 50 MPH AND
   WILL MOVE INTO MIDDLE TN.
   
   SOMEWHAT LESS UNSTABLE AIR CURRENTLY RESIDES OVER MIDDLE TN AND
   POINTS E...WHERE DEWPOINTS WERE IN THE LOWER 60S TO UPPER 50S OVER
   ERN TN/NRN GA. HOWEVER...A VERY STRONG SWLY LOW LEVEL JET WILL
   CONTINUE TO TRANSPORT MOISTURE NEWD OUT OF THE LOWER MS VALLEY. 00Z
   BNA SOUNDING SHOWS A SMALL CAPPING INVERSION NEAR 644 MB BUT WHEN
   MODIFIED FOR SURFACE OBS UPSTREAM THE PARCELS ARE UNCAPPED.
   FURTHER...WIND SHEAR IS EXTREME...WITH HPX VAD WIND PROFILES
   INDICATING 0-1 SRH OVER 600 M2/S2. GIVEN THESE LEVELS OF
   SHEAR...INSTABILITY SHOULD BE ENOUGH TO ALLOW STORMS MOVING INTO
   MIDDLE TN TO REMAIN SEVERE...WITH TORNADO AND HAIL THREAT.
   
   ..JEWELL.. 02/06/2008
   
   
   ATTN...WFO...OHX...HUN...PAH...MEG...
   
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