000 AGUS71 KRHA 051513 HMDRHA HYDROMETEOROLOGICAL DISCUSSION MIDDLE ATLANTIC RIVER FORECAST CENTER NATIONAL WEATHER SERVICE STATE COLLEGE PA 1113 AM EDT SUN JUL 05 2009 SHOWERS AND THUNDERSTORMS MOVED INTO VIRGINIA SATURDAY NIGHT AS A DISTURBANCE APPROACHED FROM THE OHIO VALLEY. RAINFALL AMOUNTS THROUGH 7AM WERE THREE QUARTERS OF AN INCH OR LESS. Value County St Location Type 0.76 Alleghany VA Nicholls Knob IFLOWS IFLWS 0.73 Greenbrier WV Lewisburg COOP 0.67 Botetourt VA Buchanan COOP 0.67 Alleghany VA Covington 4.1E COCO COOP 0.66 Rockbridge VA Kerrs Creek 6 WNW COOP 0.64 Botetourt VA Apple Orchard Mt IFL IFLWS 0.56 Botetourt VA Oriskany IFLOWS IFLWS 0.56 Botetourt VA Sloan Branch IFLOWS IFLWS 0.56 Greenbrier WV White Sulphur Spring DCP 0.50 Raleigh WV Beckley AP METAR 0.44 Botetourt VA Buchanan IFLWS 0.40 Alleghany VA Covington IFL IFLWS 0.40 Alleghany VA Peters Mountain IFLO IFLWS 0.36 Botetourt VA North Fork IFLOWS IFLWS 0.36 Alleghany VA Ogle Creek IFLOWS IFLWS A NEARLY STATIONARY FRONTAL BOUNDARY ACROSS VIRGINIA WILL BE THE FOCUSING MECHANISM FOR MORE SHOWERS AND THUNDERSTORMS TODAY. AS THE DISTURBANCE MOVES OFF THE COAST TONIGHT, PRECIPITATION WILL TAPER OFF. BASIN AVERAGED RAINFALL AMOUNTS THROUGH TONIGHT WILL GENERALLY BE ONE HALF INCH OR LESS IN THE JAMES AND APPOMATTOX BASINS. WEAK HIGH PRESSURE WILL BUILD INTO VIRGINIA MONDAY AS ANOTHER COLD FRONT APPROACHES NEW YORK AND PENNSYLVANIA. SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE ACROSS THE NORTH MONDAY WITH BASIN AVERAGED RAINFALL AMOUNTS MOSTLY ONE QUARTER INCH OR LESS. ON AREA RIVERS, GENERALLY MINOR STAGE CHANGES ARE EXPECTED INTO TUESDAY. MINOR RISES OF A FOOT OR TWO ARE EXPECTED IN THE JAMES AND APPOMATTOX BASINS DUE TO RUNOFF FROM SHOWERS AND THUNDERSTORMS. TJR NNNN