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Remnants of DENNIS Advisory Number 52
 
Issued 17:00Z Sep 05, 1999
 
Advisory Selection
View advisory number:  61   60   59   58   57   56   54   53   52   

ZCZC NFDSCCNS5 ALL
TTAA00 KNFD DDHHMM COR

STORM SUMMARY NUMBER 52 FOR T.D. "DENNIS"...CORRECTION
NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
HYDROMETEOROLOGICAL PREDICTION CENTER...NWS...CAMP SPRINGS MD
100 PM EDT SUN SEP 5 1999

...CORRECTION TO INCLUDE NJ IN HEAVY SURF ADVISORY...

AT 100 PM EDT... THE CENTER OF TROPICAL DEPRESSION DENNIS WAS LOCATED
BY SATELLITE...RADAR...AND SURFACE OBSERVATIONS TO BE NEAR 36.2N
79.3W...WHICH IS 8 MILES NORTHEAST OF BURLINGTON, NC.  MAXIMUM
SUSTAINED WINDS ARE NEAR 25 MPH IN LOWER ELEVATIONS OF VA MD AND
NC...30 MPH IN THE COASTAL WATERS OF SOUTHEAST VA...AND 35 MPH IN THE
MOUNTAINS. WIND GUSTS TOWARD 35 MPH HAVE BEEN REPORTED AT LOWER
ELEVATIONS...GUSTS TO 50 MPH CAN BE EXPECTED IN HIGHER ELEVATIONS
ACCORDING TO DOPPLER RADAR VAD WIND PROFILE ESTIMATES. THE MINIMUM
CENTRAL PRESSURE OF DENNIS IS NOW 997 MB...OR 29.44 INCHES. MOVEMENT OF
DENNIS HAS SLOWED...THE SYSTEM IS NOW MOVING WEST TO NORTHWEST AT
10 MPH. THE DEPRESSION CONTINUES TO WEAKEN VERY SLOWLY OVER NC.

A TORNADO WATCH IS IN EFFECT UNTIL 4 PM FOR THE DISTRICT OF COLUMBIA,
ALONG WITH MUCH OF MD AND VA. FLASH FLOOD WATCHES ARE IN EFFECT FOR
THE REMAINDER OF TODAY FOR THE NORTHWEST PIEDMONT OF NC. FLASH
FLOOD WATCHES ARE IN EFFECT THROUGH TONIGHT FOR MD...VA...THE
DISTRICT OF COLUMBIA... NORTHERN WV AND THE PANHANDLE WV. A WIND
ADVISORY IS IN EFFECT TODAY FOR ELEVATIONS ABOVE 3000 FT FOR THE
MOUNTAINS OF WESTERN VA. A SMALL CRAFT ADVISORY IS IN EFFECT FROM
CHATHAM MA SOUTHWARD TO SURF CITY NC. LASTLY...A HEAVY SURF
ADVISORY IS IN EFFECT FOR ATLANTIC-FACING BEACHES FROM SANDY HOOK NJ
SOUTHWARD TO THE OUTER BANKS OF NC.

DURING THE AFTERNOON AND NIGHTTIME HOURS ON SATURDAY...WELCOME
RAINS FELL ACROSS MUCH OF THE MID-ATLANTIC...EASING DROUGHT
CONDITIONS OVER A LARGE AREA. IN SOME LOCALES...TOO MUCH RAIN CAME IN
TOO SHORT OF A PERIOD OF TIME. RAINFALL AMOUNTS AVERAGED 4 TO 6
INCHES IN EASTERN NC AT ROCKY MOUNT-WILSON...5.77 INCHES OF RAIN WAS
RECORDED IN THE 24-HOUR PERIOD ENDING AT 8 AM EDT. CRABTREE CREEK
SAW RAPID RISES DUE TO THE HEAVY RAINS...EXPECTED TO RISE TO NEAR THE
FLOOD STAGE IN RALEIGH.

A TROPICAL DELUGE TOTALING OVER 5 INCHES LED TO THE ISSUANCE OF FLOOD
WARNINGS THIS MORNING FOR NEARLY ALL THE MOUNTAINOUS COUNTIES OF
THE OLD DOMINION. AUGUSTA COUNTY RECEIVED 7.20 INCHES IN THE 24-HOUR
PERIOD ENDING AT 8 AM EDT. GOOSE CREEK IN NORTHWEST BEDFORD COUNTY
WAS OUT OF ITS BANKS OVER ROUTE 695. JENNINGS AND BACK CREEKS... ALONG
WITH BRATTONS RUN...COLLIER CREEK...KERRS CREEK...AND ELK CREEK WERE
ALSO EXPECTED TO FLOOD.

BETWEEN 1.5 AND 2 INCHES OF RAIN FELL OVER MUCH OF EASTERN VA ...
EASTERN WV...AND SOUTHERN MD. AT WAKEFIELD...4.75 INCHES OF RAIN
FELL...THE HIGHEST NOTED IN EASTERN VA.

EARLY THIS AFTERNOON...DOPPLER RADAR SHOWS TWO MAIN BANDS OF RAIN. 
THE FIRST EXTENDS FROM SOUTHERN OH SOUTHWARD THROUGH EASTERN KY
AND WESTERN VA INTO NC...WEAKENING AS IT MOVES SLOWLY WESTWARD. A
SECOND BAND STRETCHES ACROSS DE...MD...AND THE PANHANDLE OF WV.  IT IS
IN THIS SECOND BAND OF SHOWERS AND THUNDERSTORMS WHERE TORNADOES
ARE POSSIBLE...WHICH PROMPTED THE TORNADO WATCH. ON SATURDAY... TWO
TORNADOES STRUCK THE HAMPTON/CHESAPEAKE AREAS OF SOUTHEAST VA
WITH THIS FEEDER BAND AROUND NOON...INJURING SIX AND DAMAGING
SEVERAL BUILDINGS. ADDITIONAL TORNADO WATCHES COULD BE ISSUED
LATER TODAY FOR AREAS FURTHER NORTH AND WEST IN VA...MD...AND
POSSIBLY DE.

FOR THE REMAINDER OF TODAY...THE HEAVIEST RAIN IS EXPECTED TO FALL IN
THE MOUNTAINS OF VA...WV...AND ACROSS MD.  LOCALLY EXCESSIVE
RAINFALL...ON THE ORDER OF 5 TO 10 INCHES WITH LOCALLY GREATER
AMOUNTS...IS LIKELY ACROSS THE REGION.  

ON LABOR DAY...THE HEAVIEST RAIN FROM DENNIS WILL SHIFT NORTHWARD
INTO THE MOUNTAINS OF  PA. RAINFALL AMOUNTS WILL AVERAGE 1 TO 2
INCHES...WITH 3 TO 5 INCHES LIKELY IN HIGHER TERRAIN.

DENNIS IS FORECAST TO SLOW DOWN AND TURN TO THE NORTHWEST AND
NORTH...REACHING NORTHERN WV BY NOON ON MONDAY.

FOR PUBLIC DISSEMINATION...THE WMO HEADER FOR THE STORM SUMMARIES
ON DENNIS IS ACUS42 KWBC.

THE NEXT STORM SUMMARY ON DENNIS WILL BE ISSUED 7 PM.

ROTH/FORECAST OPERATIONS BRANCH