221 
ACUS11 KWNS 100729
SWOMCD
SPC MCD 100728 
MOZ000-KSZ000-NEZ000-100900-

MESOSCALE DISCUSSION 0899
NWS STORM PREDICTION CENTER NORMAN OK
0228 AM CDT SAT MAY 10 2003

AREAS AFFECTED...CNTRL KS

CONCERNING...SEVERE THUNDERSTORM WATCH 331...

VALID 100728Z - 100900Z

THE POTENTIAL FOR STORMS TO BECOME SURFACE-BASED INVOF SURFACE WARM
FRONT IS BEING MONITORED CLOSELY.

WICHITA VOLUMETRIC REFLECTIVITY/VELOCITY DATA INDICATE THAT A
SUPERCELL HAS RECENTLY DEVELOPED OVER ERN HARVEY COUNTY IN S-CNTRL
KS. LATEST SURFACE OBSERVATIONS FROM ICT EWD TO CNU SUGGEST THAT
THIS STORM HAS INITIATED WITHIN ROUGHLY 20-30 MILES OF THE SURFACE
WARM FRONT. RECENT ICT VWP DATA INDICATE AN INCREASING TORNADO
POTENTIAL ALONG THE WARM FRONT WITH WITH 0-2KM SRH VALUES OF 500-600
M2/S2 USING THE OBSERVED STORM MOTION.

A TORNADO WATCH MAY BE REQUIRED ALONG THE WARM FRONT SHORTLY GIVEN
THIS INCREASING TORNADO THREAT.

..MEAD.. 05/10/2003

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

ATTN...WFO...EAX...OAX...TOP...ICT...DDC...

37879827 38479794 39069750 39719715 39919690 40029683
40039649 40009589 40009538 40029497 40009462 39939457
38849540 38049609 37529646 37079668 37039719 37079844
37079874 37079886 37439858