000 
ACUS11 KWNS 061345
SWOMCD
SPC MCD 061344 
TXZ000-061545-

MESOSCALE DISCUSSION 0784
NWS STORM PREDICTION CENTER NORMAN OK
0844 AM CDT TUE MAY 06 2003

AREAS AFFECTED...CNTRL TX

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 061344Z - 061545Z

ELEVATED CONVECTION CURRENTLY IN CNTRL TEXAS SHOULD CONTINUE TO
INCREASE IN INTENSITY. LARGE HAIL WILL BE THE PRIMARY THREAT WITH
THE ACTIVITY. WW MAY BECOME NECESSARY WITHIN THE NEXT 1-2 HOURS.

VERY MOIST AIR MASS WAS IN PLACE ACROSS CNTRL TX WITH LOWER TO MID
70S. MLCAPE WERE 1500-2000 J/KG WITH 50 KT OF DEEP LAYER SHEAR. 12Z
DEL RIO SOUNDING SHOWED MOST OF THE INSTABILITY WAS ABOVE 800 MB. AS
A RESULT...THE CONVECTION WILL REMAIN ELEVATED. STEEP LAPSE RATES
AROUND 8.4 C/KM...STRONG ELEVATED INSTABILITY AND STRONG DEEP LAYER
SHEAR SHOULD RESULT IN A POTENTIAL FOR LARGE HAIL. 


..BROYLES.. 05/06/2003

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

ATTN...WFO...HGX...FWD...EWX...SJT...

29469851 30199866 30889854 31569757 32029642 31589603
30569607 29939701 29509792