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Remnants of DENNIS Advisory Number 60
 
Issued 17:00Z Sep 07, 1999
 
Advisory Selection
View advisory number:  61   60   59   58   57   56   54   53   52   

ZCZC NFDSCCNS5 ALL
TTAA00 KNFD DDHHMM

STORM SUMMARY NUMBER 60 FOR THE REMNANTS OF "DENNIS"
NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
HYDROMETEOROLOGICAL PREDICTION CENTER...NWS...CAMP SPRINGS MD
100 PM EDT TUE SEP 07 1999

AT 100 PM EDT THE EXTRATROPICAL LOW THAT WAS ONCE DENNIS WAS
LOCATED BY SATELLITE...RADAR...AND SURFACE OBSERVATIONS NEAR
LATITUDE 43.3 NORTH...LONGITUDE 77.8 WEST...OR ON THE SHORES OF LAKE
ONTARIO NEAR HILTON NY. DENNIS HAS BEGUN TO STRENGTHEN AS A NON
TROPICAL LOW NEAR THE COLD FRONT IN THE OHIO VALLEY...AND MAXIMUM
SUSTAINED WINDS HAVE INCREASED TO 30 MPH OVER LAKE ONTARIO JUST
NORTHWEST THE CENTER...ACCORDING TO SHIPS REPORTS FROM LATE THIS
MORNING. THE MINIMUM CENTRAL PRESSURE HAS DROPPED TO 1006 MB...OR
29.74 INCHES. MOVEMENT IS TOWARDS THE NORTH AT 15 MPH...AND DENNIS
WILL MOVE INTO SOUTHEASTERN ONTARIO LATER THIS AFTERNOON.

FLASH FLOOD WATCHES ARE IN EFFECT FOR TODAY FOR NORTHERN NJ...EAST
CENTRAL PA...SOUTHERN NY...AND SOUTHERN CT.

A NARROW CORRIDOR OF HEAVY RAIN FELL FROM THAT EASTERN AND
CENTRAL NC NORTHWARD THROUGH CENTRAL VA...DC...EASTERN PA...AND
CENTRAL NY STATE SINCE YESTERDAY. OVERNIGHT...5 TO 8 INCHES OF RAIN
FELL IN THE LOWER SUSQUEHANNA VALLEY. REPORTS OF FLOODING CAME  IN
FROM NORTHEAST NC...SOUTHEAST VA...AND EASTERN PA THIS MORNING. SOME
ROADS IN THE REGION WERE IMPASSABLE...DOPPLER RADAR ESTIMATED
BETWEEN 3 TO 6 INCHES OF RAIN THIS MORNING...UP TO 12 INCHES SO FAR SINCE
SUNDAY. EVEN AS FAR SOUTH AT MYRTLE BEACH SC...STREET FLOODING WAS 
REPORTED.

RIVER FLOODING CONTINUES ALONG THE NUESE AND TAR RIVERS IN
NC....LEVELS ARE EXPECTED TO REMAIN ABOVE FLOOD STAGE FOR THE NEXT
SEVERAL DAYS. PENNS CREEK IN PA WAS EXPERIENCING SOME FLOODING THIS
MORNING. UP TO 100 PEOPLE WERE EVACUATED EARLY THIS MORNING ALONG
BLACK HOLE CREEK NEAR MONTGOMERY PA DUE TO RAPIDLY RISING
WATERS...WHERE NEARLY 5 INCHES OF RAIN FELL ACCORDING TO RADAR
ESTIMATES.

THE HEAVIEST OBSERVED RAINFALL TOTALS IN THE 24-HOUR PERIOD
ENDING AT 8 AM EDT TUESDAY:

EAST BUFFALO TOWNSHIP PA.....7.96 INCHES
LOCHILE PA.......................................7.23 INCHES
LEWISBURG PA.................................6.77 INCHES
WILLIAMSPORT PA..........................6.41 INCHES
SELINSGROVE PA.............................4.85 INCHES
ELINSPORT PA..................................4.43 INCHES (AS OF 2 AM)
WOODHULL NY................................3.36 INCHES
CHERRY POINT NC..........................3.42 INCHES
JACKSONVILLE NC..........................3.12 INCHES
RICHMOND VA.................................2.38 INCHES


RAINFALL TOTALS FOR VA AND NC ABOVE 7 INCHES SINCE SATURDAY...

CHAPEL HILL NC............................10.63 INCHES
UPPER SHERANDO VA...................9.25 INCHES
CARY NC...........................................8.90 INCHES
APEX NC............................................8.86 INCHES
MONTEREY VA................................8.40 INCHES
TOMS BRANCH VA..........................8.10 INCHES
MONTEBELLO VA............................7.75 INCHES
RALEIGH/DURHAM NC...................7.48 INCHES
SUGAR GROVE VA...........................7.32 INCHES
SOUTH RALEIGH NC........................7.30 INCHES
BIG MEADOWS VA...........................7.09 INCHES
WILSONVILLE NC.............................7.09 INCHES


AN AREA OF MODERATE TO HEAVY RAIN REMAINS ACROSS NY STATE. A
SURFACE TROUGH OF LOW PRESSURE EXTENDING SOUTH OF THE CYCLONE
COULD ACT AS A FOCUS FOR ADDITIONAL SHOWERS AND THUNDERSTORMS
THIS AFTERNOON AND EVENING.

THE HEAVY RAIN WILL CONTINUE ACROSS NY UNTIL LATER TONIGHT...BEFORE
MOVING INTO CANADA. ADDITIONAL RAINS OF 1 TO 3 INCHES ARE POSSIBLE
BEFORE DENNIS CROSSES THE US/CANADIAN BORDER...ISOLATED AMOUNTS OF 5
INCHES ARE POSSIBLE.

FOR PUBLIC DISSEMINATION...THE WMO HEADER FOR THE STORM SUMMARIES
ON DENNIS IS ACUS45 KWBC.

THE LAST STORM SUMMARY ON THE REMNANTS OF DENNIS WILL BE ISSUED AT
7 PM EDT.

ROTH/FORECAST OPERATIONS BRANCH