625 
ACUS11 KWNS 100431
SWOMCD
SPC MCD 100430 
ILZ000-INZ000-KYZ000-TNZ000-100530-

MESOSCALE DISCUSSION 2163
NWS STORM PREDICTION CENTER NORMAN OK
1030 PM CST SAT NOV 09 2002

AREAS AFFECTED...SRN IL/SRN IND/WRN KY/WRN TN

CONCERNING...TORNADO WATCH 740...

VALID 100430Z - 100530Z

A NEW TORNADO WW WILL BE ISSUED WITHIN THE HOUR FOR SRN IL/SWRN
IND/WRN KY/WRN TN.


THE THREAT FOR STRONG TO SEVERE THUNDERSTORMS IS EXPECTED TO
SPREAD EWD OVERNIGHT THROUGH WRN TN/KY AND THROUGH PORTIONS OF
SRN IL/IND.  PRESENT/FORECAST DEEP LAYER AND LOW-LEVEL SHEAR
PARAMETERS REMAIN FAVORABLE FOR TORNADOES AND DAMAGING WINDS.
LOW-LEVEL MOISTURE CONTINUES TO RETURN NWD WITH SURFACE DEWPOINTS
AROUND 60 INTO SWRN IND/MIDDLE TN...WHICH WILL MAINTAIN MARGINAL
INSTABILITY.  THIS COMBINED WITH UVVS WITH THE SHORT WAVE TROUGH
MOVING NEWD THROUGH THE LOWER OH VALLEY WILL CONTINUE THE
CONVECTIVE POTENTIAL OVERNIGHT.

..PETERS.. 11/10/2002

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

34999017 36118970 37408931 38538875 38568634 36558701
34968816