Hydrometeorological Discussion
Issued by NWS Middle Atlantic RFC

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AGUS71 KRHA 261451
HMDRHA

HYDROMETEOROLOGICAL DISCUSSION
MIDDLE ATLANTIC RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE STATE COLLEGE PA
 951 AM EST MON JAN 26 2015

...SIGNIFICANT COASTAL STORM WILL AFFECT THE REGION THROUGH TUESDAY...

A CLIPPER SYSTEM BROUGHT SNOW AND SOME RAIN TO THE MID-ATLANTIC REGION
SUNDAY AFTERNOON AND NIGHT. THE HIGHEST OBSERVED LIQUID PRECIPITATION
AMOUNTS ENDING AT 7AM THIS MORNING WERE APPROACHING ONE HALF INCH IN
SOUTH CENTRAL PENNSYLVANIA AND THE MARYLAND PANHANDLE.

  Value  County                St  Location
   0.42  Washington            MD  Bellegrove 4S
   0.40  Cumberland            PA  Carlisle 1N F&P
   0.40  Franklin              PA  Fayetteville-Big Fla
   0.38  Cambria               PA  Ebensburg
   0.38  Bedford               PA  Wolfsburg
   0.37  Centre                PA  State College-Walker
   0.36  Adams                 PA  Biglerville
   0.34  Somerset              PA  Laurel Mountain
   0.34  Garrett               MD  Savage Rvr Dam DCP
   0.33  Adams                 PA  Orrtanna/Cashtown 1S
   0.33  Blair                 PA  Tyrone
   0.32  Cumberland            PA  Carlisle 1N COOP
   0.31  Franklin              PA  Chambersburg MADIS
   0.30  Franklin              PA  Chambersburg 1 ESE
   0.30  Allegany              MD  Frostburg

THE COASTAL LOW IS DEVELOPING OFF THE NORTH CAROLINA COAST THIS MORNING.
THIS LOW WILL MOVE UP THE COAST VERY SLOWLY THROUGH TUESDAY. SNOW IS
EXPECTED ACROSS MUCH OF THE REGION TODAY WITH SOME RAIN IN SOUTHERN AND
EASTERN VIRGINIA. HEAVIER SNOW BANDS WILL DEVELOP LATER TODAY AND
CONTINUE INTO TUESDAY ACROSS NEW JERSEY, FAR EASTERN PENNSYLVANIA AND
SOUTHEAST NEW YORK. PRECIPITATION WILL TAPER OFF FROM WEST TO EAST
LATER TUESDAY AND TUESDAY NIGHT. FORECASTED PRECIPITATION AMOUNTS WILL
RANGE FROM NEAR ONE QUARTER INCH TO AROUND ONE AND ONE HALF INCHES IN
NORTHEAST NEW JERSEY.

HIGH PRESSURE WILL BUILD IN WITH DRY WEATHER WEDNESDAY AND WEDNESDAY
NIGHT.

ON AREA RIVERS AND CREEKS, MINOR CHANGES ARE EXPECTED FOR MOST OF THE
BASINS WITH SNOW FORECASTED. THERE WILL BE SOME MINOR RISES IN THE JAMES
AND APPOMATTOX BASINS. ICE WILL CONTINUE TO AFFECT MANY GAGES ACROSS THE
NORTHERN BASINS WITH RAPID FLUCTUATIONS IN STAGE AT TIMES.

ALL DAILY RIVER FORECASTS WILL BE AVAILABLE SHORTLY.

TJR
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