MESOSCALE DISCUSSION 0100
   NWS STORM PREDICTION CENTER NORMAN OK
   1235 PM CST WED FEB 11 2009
   
   AREAS AFFECTED...ERN HALVES OF TN AND KY/SRN IN/SRN OH/WRN WV/WRN
   VA/
   
   CONCERNING...TORNADO WATCH 16...
   
   VALID 111835Z - 112000Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 16 CONTINUES.
   
   SEVERE/ISOLATED TORNADO POTENTIAL IS SPREADING RAPIDLY EWD...WHICH
   WILL REQUIRE ADDITIONAL WW ISSUANCE.
   
   STRONGLY-FORCED CONVECTIVE LINE IS NOW CROSSING CENTRAL KY/MIDDLE
   TN...AND IS ACCOMPANIED BY DAMAGING WINDS.  DESPITE LITTLE IF ANY
   INSTABILITY...STRENGTH OF THE DEEP-LAYER WIND FIELD WILL CONTINUE TO
   SUPPORT DAMAGING GUSTS ALONG THIS LINE.  WITH THE LINE TRANSLATING
   EWD AT AROUND 50 MPH...CONVECTION WILL BEGIN AFFECTING AREAS E OF WW
   16 IN THE NEXT 1 TO 1 1/2 HOURS.  THUS...NEW WW WILL BE REQUIRED EWD
   TOWARD THE APPALACHIAN CREST.
   
   ..GOSS.. 02/11/2009
   
   
   ATTN...WFO...PBZ...RLX...CLE...GSP...MRX...JKL...ILN...LMK...
   OHX...IND...HUN...
   
   LAT...LON   35248654 36608623 39058647 39578395 40338250 40238083
               37388205 36108255 35178434 35248654