649 ACUS11 KWNS 050918 SWOMCD SPC MCD 050918 KYZ000-TNZ000-ALZ000-MSZ000-ILZ000-MOZ000-ARZ000-051015- MESOSCALE DISCUSSION 0754 NWS STORM PREDICTION CENTER NORMAN OK 0418 AM CDT MON MAY 05 2003 AREAS AFFECTED...NERN AR / SERN MO / WRN AND MIDDLE TN / NRN MS / NRN AL... CONCERNING...TORNADO WATCH 242...244... VALID 050918Z - 051015Z SEVERE / TORNADO THREAT CONTINUES ACROSS THE AREA. OVERALL THREAT APPEARS TO BE DIMINISHING ACCORDING TO LATEST RADAR IMAGERY. HOWEVER...UNSTABLE AIRMASS AND STRONG DEEP-LAYER WIND FIELD REMAINS OVER THIS REGION...SUGGESTING THE SEVERE POTENTIAL WILL PERSIST FOR THE NEXT FEW HOURS. ALL THREE OF THESE WATCHES -- 242...243...AND 244 -- WILL BE REPLACED BY 05/10Z WITH A NEW TORNADO WATCH FROM NERN AR / SERN MO EWD INTO NRN MS / NRN AL / MIDDLE TN. LITTLE OR NO NEW STORM DEVELOPMENT IS EXPECTED WEST OF ONGOING NERN AR STORMS AS SHORT-WAVE RIDGING EVIDENT IN WV IMAGERY AS FAR E AS SERN OK WILL CONTINUE MOVING EWD INTO AR. ..GOSS.. 05/05/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...LMK...OHX...HUN...PAH...MEG...LZK...SGF... 36579153 36879052 37228791 37368543 35468564 34618798 34249123 34919220