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Remnants of DENNIS Advisory Number 53
 
Issued 23:00Z Sep 05, 1999
 
Advisory Selection
View advisory number:  61   60   59   58   57   56   54   53   52   

ZCZC NFDSCCNS5 ALL
TTAA00 KNFD DDHHMM

STORM SUMMARY NUMBER 53 FOR T.D. "DENNIS"
NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION
HYDROMETEOROLOGICAL PREDICTION CENTER...NWS...CAMP SPRINGS MD
700 PM EDT SUN SEP 5 1999

AT 700 PM EDT... THE CENTER OF TROPICAL DEPRESSION DENNIS WAS LOCATED
JUST EAST OF GREENSBORO, NORTH CAROLINA.  MAXIMUM SUSTAINED WINDS 
HAVE LOWERED TO 15 TO 20 MPH IN THE LOWER ELEVATIONS NEAR THE CENTER
OF DENNIS...ALTHOUGH WINDS IN EXCESS OF 30 MPH ARE STILL OCCURRING IN
SOME OF THE HIGHER ELEVATIONS OF SOUTHWESTERN VIRGINIA AND WESTERN
NORTH CAROLINA.  ALSO..SOME WINDS IN EXCESS OF 30 MPH ARE  BEING
OBSERVED IN THE COASTAL WATERS OFF OF NORTH CAROLINA AND
SOUTHEASTERN VIRGINIA.  THE MINIMUM CENTRAL PRESSURE OF THE SLOWLY
WEAKENING DENNIS IS NOW 1000 MB.  DENNIS HAS SHOWN SIGNS OF SLOWING
DOWN DURING THE PAST SEVERAL HOURS...WITH RECENT SATELLITE AND
DOPPLER RADAR FIXES INDICATING  A WESTWARD DRIFT AT 5MPH OR LESS. 
THIS VERY SLOW TO NEARLY STATIONARY MOTION IS EXPECTED TO PERSIST AT
LEAST INTO THE EVENING/EARLY NIGHTTIME HOURS.

ALTHOUGH DENNIS IS NO LONGER A SIGNIFICANT WEATHER THREAT
REGARDING STRONG WINDS...IT STILL HAS THE POTENTIAL TO PRODUCE
ISOLATED SEVERE WEATHER AND AT LEAST SOME LOCALLY VERY HEAVY TO
POSSIBLY FLOODING TYPE RAINS.  A TORNADO WATCH IS IN EFFECT FOR
MARYLAND...NORTHERN VIRGINIA...EASTERN WEST VIRGINIA AND THE DISTRICT
OF COLUMBIA UNTIL 10PM EDT.  FLASH FLOOD WATCHES CONTINUE IN EFFECT
FOR SUNDAY NIGHT FOR MUCH OF WESTERN AND SOUTHCENTRAL
VIRGINIA...EXTREME WESTERN MARYLAND...PARTS OF THE EASTERN WEST
VIRGINIA PANHANDLE AND NORTHCENTRAL NORTH CAROLINA.  FLOOD
WARNINGS ARE SET TO EXPIRE AT 700PM EDT FOR SEVERAL COUNTIES IN
NORTHCENTRAL NORTH CAROLINA...WHERE 4 TO 6 INCHES OF RAIN HAS FALLEN
SINCE SATURDAY.

NORTHCENTRAL NORTH CAROLINA WAS NOT THE ONLY PLACE TO RECEIVE
SIGNIFICANT RAINS DIRECTLY ASSOCIATED WITH DENNIS.  RAINFALL TOTALS OF
5 TO 8 INCHES WERE COMMON IN THE UPSLOPE AREAS OF THE BLUE RIDGE
MOUNTAINS IN VIRGINIA...WITH STORM TOTALS AS HIGH AS 8.44" OCCURRING AT
MILLS CREEK DAM IN AUGUSTA COUNTY, VIRGINIA AND 8.21" AT NORTH
MOUNTAIN IN ROCKBRIDGE COUNTY, VIRGINIA.  IT IS BECAUSE OF THIS RAIN
WHICH HAS ALREADY OCCURRED...AND THE THREAT OF ADDITIONAL HEAVY
RAINS THAT MAY OCCUR...THAT FLOOD WATCHES CONTINUE IN EFFECT
THROUGH SUNDAY NIGHT.  ALTHOUGH DENNIS CONTINUES TO SLOWLY
WEAKEN...THERE IS STILL THE THREAT OF SOME ADDITIONAL ISOLATED RAINS
GREATER THAN 5" OCCURRING BY MONDAY MORNING NEAR THE CENTER OF
THE SYSTEM...PARTICULARLY OVER SOUTHWESTERN VIRGINIA AND CENTRAL
AND WESTERN NORTH CAROLINA.

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

THE NEXT STORM SUMMARY ON DENNIS WILL BE ISSUED 1 AM.

TERRY/FORECAST OPERATIONS BRANCH