592 
ACUS11 KWNS 101829
SWOMCD
SPC MCD 101828 
INZ000-102030-

MESOSCALE DISCUSSION 2169
NWS STORM PREDICTION CENTER NORMAN OK
1228 PM CST SUN NOV 10 2002

AREAS AFFECTED...S CNTRL IND

CONCERNING...TORNADO WATCH 743...

VALID 101828Z - 102030Z

THREAT FOR TORNADIC SUPERCELLS APPEARS TO BE INCREASING ACROSS
PARTS OF CENTRAL INDIANA.


18Z SURFACE ANALYSIS INDICATES SUBSTANTIAL INCREASE IN SURFACE
PRESSURE FALLS ACROSS THE LOWER OHIO VALLEY...WITH MAXIMUM 2 HOUR
FALLS CENTERED OVER THE INDIANAPOLIS/BLOOMINGTON IND AREA.  OLD
CONVECTIVE BOUNDARY HAS ERODED...AND DEW POINTS HAVE CLIMBED INTO
THE MID 60S...WITH TEMPERATURES RISING INTO THE LOWER 70S.  CAPE
HAS INCREASED INTO 1000 TO 2000 J/KG RANGE ACROSS CENTRAL INDIANA
...WHERE BACKING SURFACE WINDS ARE INCREASING LOW-LEVEL HODOGRAPH
CURVATURE BENEATH STRENGTHENING FLOW ALONG MID/UPPER JET AXIS.
ISOLATED SUPERCELLS APPEAR LIKELY TO DEVELOP AHEAD OF PRE-FRONTAL
SQUALL LINE...WITH ENHANCED THREAT FOR TORNADOES WITHIN THE NEXT
2 TO 3 HOURS.

..KERR.. 11/10/2002

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

39718704 39948665 39888599 39528577 39228591 38838642
38618706 39058740