EXCESSIVE RAINFALL DISCUSSION NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD 933 AM EDT FRI APR 30 2010 ...VALID 15Z FRI APR 30 2010 - 12Z SAT MAY 01 2010... ...REFERENCE AWIPS GRAPHIC UNDER...DAY 1 EXCESSIVE RAINFALL... SLIGHT RISK OF RAINFALL EXCEEDING FFG TO THE RIGHT OF A LINE FROM 40 ENE DYR 15 WSW MKL 40 S OLV 25 W GWO 30 WNW BQP 30 SW ELD 30 W ELD 25 S M89 25 WNW PBF 10 SW SRC 25 NW ARG 35 W POF 30 SSE FAM 10 W MDH 10 NW HSB 20 ESE HSB 25 E PAH 40 ENE DYR. A VERY IMPRESSIVE MSTR FLUX FM THE GULF OF MEXICO..INCRSG DIV ALOFT WITH TIME AND STG LLVL MSTR CNVGNC IN PLACE ACROSS THE AREA BY THIS EVNG/NIGHT WILL SET THE STAGE FOR THE DVLPMNT OF WIDESPREAD HVY CNVCTV RAINS. IMPULSE EMBEDDED IN SWLY FLOW ALOFT WILL LIKELY FIRE THE ACTVTY WITH PWS AOA 1.75 INCHES EVENTUALLY BEING AVBL FOR SUPPORT. MODEL QPFS SIMILAR WITH FCSTG THE POTENTIAL FOR HVY RAINS BUT AS USUAL DIFFER ON EXACT PLACEMENT DETAILS. WITH MESOSCALE FORCING LIKELY ENHANCING THE POTENTIAL FOR CELLS TO REPEAT OVR LOCALIZED AREAS..COULD SEE QUICK 2.00 INCH RNFL TOTALS WITH 3.00 TO 4.00 INCH TOTALS BEING POSSIBLE. KORTY $$