ACUS KMKC 171948 MKC AC 171940 COR...COR 3RD SLGT RISK AREA TO GENRL THUNDER CONVECTIVE OUTLOOK...REF AFOS NMCGPH94O VALID 171940 - 181200Z REF WW 737...VALID UNTIL 2300Z. REF WW 738...VALID UNTIL 0000Z. REF WW 739...VALID UNTIL 0200Z. THERE IS A SLGT RISK OF SVR TSTMS TO THE RGT OF A LN FM MYR 35 SW FLO 30 N FLO SOP 15 SE DAN 20 WNW LYH 30 SE EKN 15 NW HGR 20 SSE AVP 15 ESE POU JFK. THERE IS A SLGT RISK OF SVR TSTMS TO THE RGT OF A LN FM LBF 25 S BUB 20 NE GRI 30 WSW BIE 25 SE SLN 35 NE OKC 15 NE DUA 40 SW PRX 45 SW TYR 20 SSE TPL 50 S BWD 10 W ABI CDS 30 ESE LBL 40 SW HLC LBF. GEN TSTMS ARE FCST TO THE RGT OF A LN FM SAN 20 W RIV 15 SW PMD 20 W BFL 20 ESE FAT 20 E TPH 35 NNE U24 15 E EVW 35 SSW LVM 55 NW FCA ...CONT...OSC 25 E MMO 45 N SGF 25 E FYV 15 W ELD 25 NNW MEI 25 ESE ANB 50 E CHA 10 E JKL ERI ...CONT...ART MPV PWM. SFC LOW ASSOCD WITH REMNANTS OF BERYL CURRENTLY (18Z ANALYSIS) LOCATED OVER SRN WV/EXTREME WRN VA AND APPEARS TO BE GRADUALLY FILLING AS IT LIFTS NEWD THRU THE APLCNS. BAND OF STGR SLY LWR/MID TROPOSPHERIC WINDS ON THE EAST SIDE OF SYS IS PROPAGATING NWD THRU THE MID ATLC REGION...WITH SPEEDS IN THE 30 TO 50 KT RANGE. WITH MOIST...UNSTABLE (CAPE VALUES 1000 J/KG TO 2000 J/KG) SELY SFC FLOW TO THE E/NE OF THE LOW...LOW LEVEL HODOGRAPH CURVATURE (SHEAR VECTOR VEERING) REMAINS QUITE PRONOUNCED ACRS THE DELMARVA/ERN VA/EXTREME ERN NC. THIS SUG POTENTIAL FOR ISOLD TORNADOES CONTS AS CNVTN MOVES ACRS THIS REGION LATE THIS AFTN AND EVE. ACRS THE SRN/CNTRL PLAINS...AMS IS BECOMING INCREASINGLY UNSTABLE AS MOISTURE INCREASES ON SSELY LOW LEVEL FLOW. DWPTS IN THE MID 60S AS FAR NORTH AS CNTRL KS ATTM...WITH CAPE VALUES OF 2000 J/KG TO 4000 J/KG ACRS OUTLOOK AREA. STG/SVR CNVTN HAS ALREADY DEVELOPED ON ERN EDGE OF STRENGTHENING CAP ACRS S CNTRL KS/N CNTRL OK. VERTICAL SHEAR ACRS THIS REGION FVRBL FOR ORGANIZED SVR CNVTN WITH SGFNT LOW LEVEL HODOGRAPH CURVATURE AND STG NWLY UPR JET ENHANCING SHEAR THRU DEEP TROPOSPHERIC LAYER. CNVTN EXPCD TO REMAIN SVR AS IT PROPAGATES SSEWD THRU MOIST AXIS INTO NERN TX. ..KERR.. 08/17/94 NNNN