701 
ACUS11 KWNS 051456
SWOMCD
SPC MCD 051456 
ARZ000-MSZ000-LAZ000-TXZ000-OKZ000-051700-

MESOSCALE DISCUSSION 0760
NWS STORM PREDICTION CENTER NORMAN OK
0956 AM CDT MON MAY 05 2003

AREAS AFFECTED...TX AR LA OK

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 051456Z - 051700Z

VERY UNSTABLE WEAKLY CAPPED AIRMASS ACROSS NERN TX/SERN CORNER OK
EWD TO MS RIVER.  WITH APPROACH OF MID LEVEL SPEED MAX AND CONTINUED
HEATING...THUNDERSTORMS NOW DEVELOPING E/SE OF DAL EXPECTED TO
CONTINUE TO INTENSIFY.	IMPRESSIVE DEEP LAYER SHEAR OF 50-60 KT AND
HELCITIES UPWARDS TO 400 M2/S2 OFF WINFIELD PROFILER  AND LCL 88-D
VWPS SUPPORT SUPERCELL DEVELOPMENT.  TORNADIC SUPERCELLS LIKELY AS
WELL AS VERY LARGE HAIL AS STORMS DEVELOP/MOVE EWD INTO SRN AR/NRN
LA AND POSSIBLY SERN CORNER OK.


TORNADO WATCH WILL BE ISSUED SHORTLY

..HALES.. 05/05/2003

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

ATTN...WFO...MEG...JAN...LZK...SHV...TSA...FWD...OUN...

33939581 34709488 35289363 34879086 34839057 33869067
32969113 32619144 32139247 31999394 32069519 32599609