HYDROMETEOROLOGICAL DISCUSSION
MIDDLE ATLANTIC RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE STATE COLLEGE PA
929 AM EDT MON OCT 26 2009

WITH HIGH PRESSURE FIRMLY IN CONTROL THERE WAS NO PRECIPITATION ACROSS
THE MID ATLANTIC REGION OVER THE PAST 24 HOURS. FAIR AND DRY WEATHER
WILL CONTINUE THROUGH 12Z TUESDAY AS HIGH PRESSURE REMAINS IN CONTROL
ACROSS OUR FORECAST AREA. A WEAK AREA OF LOW PRESSURE WILL MOVE
NORTHEASTWARD JUST OFF THE MID ATLANTIC COAST TUESDAY WHICH MAY BRING
SOME LIGHT RAINFALL MAINLY TO THE TIDEWATER REGION. ANOTHER AREA OF
LOW PRESSURE WILL MOVE NORTHEASTWARD FROM THE GULF COAST TUESDAY NIGHT
AND BRING A PERIOD OF RAIN TUESDAY NIGHT INTO WEDNESDAY ACROSS MARFC'S
HYDROLOGIC SERVICE AREA. DAY-2 QPF FROM 12Z TUESDAY THROUGH 12Z
WEDNESDAY IS FORECAST TO RANGE FROM ZERO /0.00/ ACROSS NEW YORK STATE
UP TO ONE /1.00/ INCH ACROSS PARTS OF THE SOUTHERN VIRGINIA (LOWER
JAMES AND APPOMATTOC RIVER).

MARFC'S RIVER FORECASTS WILL BE ISSUED BY 11AM. ANY ADDITIONAL RISES
ACROSS THE SUSQUEHANNA AND DELAWARE RIVER BASINS FROM THE RECENT
RAINFALL IS EXPECTED TO BE MINOR.
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