EXCESSIVE RAINFALL DISCUSSION NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD 204 AM EDT FRI APR 22 2011 ...VALID 06Z FRI APR 22 2011 - 12Z SAT APR 23 2011... ...REFERENCE AWIPS GRAPHIC UNDER...DAY 1 EXCESSIVE RAINFALL... SLIGHT RISK OF RAINFALL EXCEEDING FFG TO THE RIGHT OF A LINE FROM 35 ESE LEX 25 W BWG 30 SSE POF 10 SW BPK 10 NW HRO 35 NE ROG 35 SW TBN 20 E VIH 20 N SET 10 ENE DEC MIE 10 NW MFD 20 SSE LPR 25 NNW IDI JST CKB 35 ESE LEX. MODERATE RISK OF RAINFALL EXCEEDING FFG TO THE RIGHT OF A LINE FROM 20 E HNB 15 SW EHR 30 WNW CGI 10 S FAM 10 SW SAR ENL 10 N RSV 15 NW BMG 35 SE GEZ 20 W CVG 30 NW SDF 20 E HNB. SEE LITTLE REASON TO GO AGAINST BULK OF GUIDANCE INDCTG THE POTENTIAL FOR SGFNT PCPN ACROSS PORTIONS OF THE MID MS/OH VLY AREAS TODAY AS CNTRL U.S. CYCLOGENESIS RESULTS IN AN INTENSE NWD MSTR FLUX INTO THE AREA. SHWRS ASOCTD WITH STRONG ISENTROPIC LIFT ALONG AN E/W ORIENTED BAROCLINIC ZONE WILL PRECEDE THE PUSH OF CDFNT INTO/ACROSS SAME GNRL AREA TNGT WHICH WILL TRIGGER ADNL WIDESPREAD CNVCTV RAINS. FVBL JET DYNAMICS AND ABOVE TO MUCH ABOVE PWS WILL BE IN PLACE TO ENHANCE CNVCTV DVLPMNT. WIDESPREAD 1.00 TO 2.00 INCH AMTS ARE LIKELY WITH TOTALS IN EXCESS OF 3.00 INCHES LIKELY OVR LOCALIZED AREAS. KORTY $$