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Displaying AFOS PIL: SWOMCD Product Timestamp: 2003-05-07 19:17 UTC
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589 ACUS11 KWNS 071917 SWOMCD SPC MCD 071917 COR TXZ000-072100- MESOSCALE DISCUSSION 0824 NWS STORM PREDICTION CENTER NORMAN OK 0217 PM CDT WED MAY 07 2003 AREAS AFFECTED...WRN TX CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 071917Z - 072100Z CORRECTED FOR GRAPHIC CU FIELD CONTINUES TO INCREASE ACROSS SWRN TX FROM NEAR THE SJT/JCT AREAS TO EAST OF MAF...WHICH IS BUILDING/DEVELOPING NWD. LATEST RUC ANALYSES SUGGEST REGION IS VERY WEAKLY CAPPED ATTM...WITH SURFACE TEMPERATURES IN THE LOWER/MID 90S AND DEW POINTS FROM 50-60F. IN ADDITION...MODEST PRESSURE FALLS ARE OVERSPREADING SERN NM AND SWRN TX AND THE DRY LINE IS MIXING QUICKLY EWD ACROSS FAR WRN TX. LAST NIGHTS COLD FRONT ALSO EXTENDS FROM NEAR THE RED RIVER WNWWD INTO THE SRN TX PANHANDLE...WHICH IS SHIFTING SLOWLY NWD OR WILL REMAIN QUASI-STATIONARY THIS AFTERNOON. WEAKENING CAP AND CONVERGENCE NEAR DRY LINE/SURFACE FRONT MAY ALLOW ISOLATED DEEP MOIST CONVECTION TO DEVELOP WITHIN NWRN EDGE OF RICH BOUNDARY LAYER MOIST AXIS...MOST LIKELY OVER PORTIONS OF W-CENTRAL INTO NWRN TX DURING THE NEXT FEW HOURS. SHOULD THIS OCCUR...VERY UNSTABLE AIR MASS AND MODERATE DEEP LAYER SHEAR WILL PROVE SUFFICIENT FOR SUPERCELLS. WW MAY BE REQUIRED IN THE NEXT 1-2 HOURS. ..EVANS.. 05/07/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...SJT...LUB...MAF... 32830201 31980223 31140163 30610084 30689968 31069913 33029968 33570086