Hydrometeorological Discussion
Issued by NWS Middle Atlantic RFC

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AGUS71 KRHA 051343
HMDRHA

HYDROMETEOROLOGICAL DISCUSSION
MIDDLE ATLANTIC RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE STATE COLLEGE PA
 940 AM EDT WED AUG 05 2015

A FRONTAL BOUNDARY ACROSS THE SOUTHERN BASINS TUESDAY WAS THE
FOCUSING MECHANISM FOR SCATTERED SHOWERS AND THUNDERSTORMS FROM
SOUTHERN NEW JERSEY TO VIRGINIA. THE HIGHEST OBSERVED RAINFALL
AMOUNTS OF NEAR TWO INCHES FELL OVER THE DELMARVA PENINSULA.
SCATTERED SHOWERS ALSO FELL ACROSS THE FAR UPPER SUSQUEHANNA AND
DELAWARE BASINS WITH AMOUNTS LESS THAN ONE QUARTER INCH. ELSEWHERE,
IT WAS DRY.

 AMT    LOCATION                       COUNTY           ST   NWSID
 2.03   POWELLVILLE 3WNW DCP           WICOMICO         MD   PWLM2
 1.82   PARSONBURG 1.6WNW COCO         WICOMICO         MD   MDWC09
 1.61   DELMAR DEOS                    SUSSEX           DE   DMRD1
 1.48   SELBYVILLE                     SUSSEX           DE   SBYD1
 1.43   GEORGETOWN DEOS                SUSSEX           DE   GESD1
 1.41   SEAFORD DEOS                   SUSSEX           DE   SEAD1
 1.37   JONES CROSSROADS DEOS          SUSSEX           DE   JCRD1
 1.36   DELMAR 4.3E COCO               SUSSEX           DE   DESS03
 1.26   BRIDGEVILLE DEOS               SUSSEX           DE   BRGD1
 1.24   SALISBURY 2.5WSW COCO          WICOMICO         MD   MDWC02
 1.20   SEA ISLE CITY 1.4SSW COCO      CAPE MAY         NJ   NJCM11
 1.18   WOODBINE 0.8NNW COCO           CAPE MAY         NJ   NJCM07
 1.14   LAUREL AIRPORT DEOS            SUSSEX           DE   LAUD1
 1.00   FEDERALSBURG F/P PRE           CAROLINE         MD   FEDM2
 0.97   CAMBRIDGE MADIS                DORCHESTER       MD   EW4629

MAINLY DRY WEATHER IS EXPECTED TODAY AS HIGH PRESSURE BUILDS IN FROM
THE NORTHWEST. A SHOWER CANNOT BE RULED OUT IN THE FAR SOUTH OR FAR
NORTH.

LOW PRESSURE OVER THE LOWER MISSISSIPPI BASIN TODAY WILL MOVE INTO
THE TENNESSEE BASIN LATER TODAY. SHOWERS AND THUNDERSTORMS WILL
APPROACH THE UPPER JAMES BASIN LATE TONIGHT.

LOW PRESSURE WILL TRACK THROUGH THE SOUTHERN MID-ATLANTIC REGION
THURSDAY INTO FRIDAY. WIDESPREAD SHOWERS AND THUNDERSTORMS ARE
EXPECTED FOR THE JAMES AND APPOMATTOX BASINS WITH ONE TO TWO INCHES
OF BASIN AVERAGED RAINFALL EXPECTED. POINT AMOUNTS MAY EXCEED THREE
INCHES IN SOME LOCATIONS.

HIGH PRESSURE WILL RETURN THIS WEEKEND WITH DRY WEATHER EXPECTED.

ON AREA RIVERS AND CREEKS, MINOR CHANGES WILL CONTINUE INTO THE
WEEKEND THROUGHOUT THE SUSQUEHANNA, DELAWARE AND NEW JERSEY BASINS.
MINOR RISES ARE EXPECTED IN THE POTOMAC AND SHENANDOAH BASINS LATER
THURSDAY AND FRIDAY. GENERALLY MINOR RISES ARE EXPECTED FOR THE
JAMES AND APPOMATTOX BASINS THURSDAY INTO SATURDAY. LOCALLY SHARP
RISES MAY OCCUR ON SMALLER CREEKS AND STREAMS NEAR STRONGER
THUNDERSTORMS.

TJR
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