[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 232028
SWOMCD
SPC MCD 232028
KYZ000-VAZ000-TNZ000-232200-

MESOSCALE DISCUSSION 2028
NWS STORM PREDICTION CENTER NORMAN OK
0328 PM CDT SAT SEP 23 2006

AREAS AFFECTED...PORTIONS CENTRAL/ERN KY...MID/ERN TN.

CONCERNING...TORNADO WATCH 798...

VALID 232028Z - 232200Z

WW MAY BE CLEARED BEHIND SQUALL LINE OVER TN/KY.  SVR TSTM POTENTIAL
IS EXPECTED TO DIMINISH GRADUALLY AND BECOME MORE MRGL...WITH TIME
AND WITH EWD EXTENT ACROSS MOST OF ERN KY.  WHILE ISOLATED DAMAGING
GUSTS MAY OCCUR...PRIND ADDITIONAL WW WILL NOT BE REQUIRED IN THAT
AREA.

BUOYANCY WILL INCREASE GRADUALLY WITH SWWD EXTENT FROM EXTREME SERN
KY SWWD ACROSS ERN TN...THROUGH SFC THERMAL/MOISTURE GRADIENT
ASSOCIATED WITH WEAKENING/NEWD-MOVING OUTFLOW BOUNDARY LEFT BEHIND
BY MORNING CONVECTION IN TN.  THIS BOUNDARY NOW IS EVIDENT FROM NEAR
CSV NWWD TO INTERSECTION WITH MCS OVER EXTREME S-CENTRAL KY INVOF
MONROE/METCALFE COUNTIES...AND SHOULD CONTINUE TO BECOME ILL-DEFINED
AS IT LIFTS NEWD FARTHER INTO SERN KY. ACCORDINGLY...SFC WINDS HAVE
VEERED AT BNA AND CSV...IN CONJUNCTION WITH NEWD SHIFT IN
ISALLOBARIC MIN THROUGH KY.  THIS PROCESS ALSO SHOULD VEER WINDS
OVER ERN KY WITH TIME DURING NEXT FEW HOURS...HOWEVER LOW LEVEL
HODOGRAPHS REMAIN FAVORABLE FOR ROTATION IN ANY DISCRETE TSTMS AHEAD
OF MAIN MCS.  TSTMS ALSO WILL CONTINUE TO FORM AND MERGE WITH
MCS...WITH ASSOCIATED LOCAL MAXIMA IN SVR POTENTIAL.

..EDWARDS.. 09/23/2006

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...RLX...MRX...JKL...ILN...LMK...OHX...HUN...

36148725 37458532 38038419 38468356 38398316 38028282
37188306 36288396 35438467 35028538 35078597 35268684



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