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