EXCESSIVE RAINFALL DISCUSSION NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD 933 PM EDT WED APR 28 2010 ...VALID 03Z THU APR 29 2010 - 00Z FRI APR 30 2010... ...REFERENCE AWIPS GRAPHIC UNDER...DAY 1 EXCESSIVE RAINFALL... NO ORGANIZED AREAS OF RAINFALL EXCEEDING FLASH FLOOD GUIDANCE ARE EXPECTED. ORAVEC $$