Hydrometeorological Discussion
Issued by NWS Middle Atlantic RFC

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AGUS71 KRHA 221431
HMDRHA

HYDROMETEOROLOGICAL DISCUSSION
MIDDLE ATLANTIC RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE STATE COLLEGE PA
 1031 AM EDT TUE JUL 22 2014


SHOWERS AND THUNDERSTORMS WERE SCATTERED ACROSS OUR WESTERN AND SOUTHERN
BASINS DURING THE PAST 24 HOURS. THE HIGHEST AMOUNTS FROM 12Z MONDAY TO
12Z TUESDAY:

  Value  County                St  Location
   1.46  Augusta               VA  Robinson Hollow IFLO
   1.42  Nelson                VA  Devils Knob IFLOWS
   1.19  Somerset              PA  Meyersdale -2 Mi SSW
   0.79  Madison               VA  Syria
   0.68  Nelson                VA  Afton Mtn IFLOWS
   0.66  independent city      VA  Waynesboro WTP COOP
   0.63  Augusta               VA  Jones Hollow Dam
   0.60  Caroline              MD  Federalsburg F/P Pre
   0.58  Randolph              WV  Elkins
   0.55  Rockingham            VA  Dale Enterprise F/P
   0.52  Garrett               MD  Grantsville
   0.47  Augusta               VA  Sherando IFLOWS
   0.44  Madison               VA  Madison 6.9NNW COCOR
   0.42  Nottoway              VA  Camp Pickett
   0.41  Augusta               VA  Crozet 5WNW

A RIDGE OF HIGH PRESSURE WILL REMAIN OVER THE BASINS TODAY BUT SOME POP
UP SHOWERS AND THUNDERSTORMS ARE EXPECTED. A COLD FRONT WILL MOVE
SOUTHEAST FROM THE GREAT LAKES AND ACROSS THE BASINS LATE WEDNESDAY INTO
THURSDAY. THE FRONT IS EXPECTED TO PRODUCE NUMEROUS SHOWERS/THUNDERSTORMS
AS IT MOVES ACROSS THE BASINS.

DAY ONE QPF IS ZERO TO UNDER TENTH OF AN INCH. DAY TWO IS A TENTH TO HALF
AN INCH AND HIGHEST NORTHERN BASINS. DAY THREE IS ZERO IN MOST OF THE
NORTHERN BASINS TO HALF AN INCH IN THE LOWER JAMES/APPOMATTOX BASINS.

GATHRIGHT DAM WILL DOING A PULSE RELEASE ON WEDNESDAY WHICH WILL PRODUCE
A RISE OF A COUPLE FEET IN PORTIONS OF THE JAMES RIVER. OTHERWISE MINOR
CHANGES IN STAGE ARE FORECAST FOR THE SOUTHERN BASINS AND MINOR CHANGES
IN THE NORTHERN BASINS FOR THE NEXT FEW DAYS.



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