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| #553384 (Received by flhurricane at: 10:47 PM 27.Oct.2012) TCPAT3 BULLETIN HURRICANE SANDY ADVISORY NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182012 1100 PM EDT SAT OCT 27 2012 ...SANDY CONTINUING NORTHEASTWARD PARALLEL TO THE COAST OF THE SOUTHEASTERN UNITED STATES... ...STRONG WINDS AND SIGNIFICANT STORM SURGE ARE EXPECTED IN THE MID-ATLANTIC STATES AND SOUTHERN NEW ENGLAND... SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...30.9N 74.3W ABOUT 360 MI...580 KM ESE OF CHARLESTON SOUTH CAROLINA ABOUT 305 MI...490 KM SSE OF CAPE HATTERAS NORTH CAROLINA MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...NE OR 40 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE TROPICAL STORM WATCH HAS BEEN DISCONTINUED FOR THE SOUTH CAROLINA COAST. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * SOUTH SANTEE RIVER SOUTH CAROLINA TO DUCK NORTH CAROLINA * PAMLICO AND ALBEMARLE SOUNDS * BERMUDA IN ADDITION...HIGH WIND WARNINGS ARE IN EFFECT FOR PORTIONS OF SOUTHEASTERN VIRGINIA. HIGH WIND WATCHES AND WARNINGS...ALONG WITH OTHER WATCHES AND WARNINGS ARE IN EFFECT FOR MUCH OF THE MID-ATLANTIC STATES AND SOUTHERN NEW ENGLAND. SEE STATEMENTS FROM LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICES. INTERESTS THROUGHOUT THE MID-ATLANTIC STATES AND NEW ENGLAND SHOULD MONITOR THE PROGRESS OF SANDY. FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 PM EDT...0300 UTC...THE CENTER OF HURRICANE SANDY WAS LOCATED NEAR LATITUDE 30.9 NORTH...LONGITUDE 74.3 WEST. SANDY IS MOVING TOWARD THE NORTHEAST NEAR 14 MPH...22 KM/H...AND THIS GENERAL MOTION IS FORECAST TO CONTINUE THROUGH SUNDAY. A TURN TOWARD THE NORTH IS FORECAST ON SUNDAY NIGHT...FOLLOWED BY A TURN TOWARD THE NORTH-NORTHWEST ON MONDAY. ON THE FORECAST TRACK THE CENTER OF SANDY WILL MOVE PARALLEL TO THE SOUTHEAST COAST OF THE UNITED STATES THROUGH THE WEEKEND...AND APPROACH THE COAST OF THE MID-ATLANTIC STATES MONDAY NIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/H...WITH HIGHER GUSTS. WHILE LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT COUPLE OF DAYS...SANDY IS EXPECTED TO REMAIN A LARGE AND POWERFUL CYCLONE. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 520 MILES...835 KM. NOAA BUOY 41036...LOCATED IN ONSLOW BAY NEAR THE NORTH CAROLINA COAST...RECENTLY REPORTED SUSTAINED WINDS OF 45 MPH...73 KM/H...AND A WIND GUST OF 60 MPH...97 KM/H. THE MINIMUM CENTRAL PRESSURE BASED ON NOAA AND AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT REPORTS IS 960 MB...28.35 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE SPREADING ACROSS THE COAST OF NORTH CAROLINA IN THE TROPICAL STORM WARNING AREA...AND THESE SHOULD CONTINUE THROUGH SUNDAY. GALE FORCE WINDS ARE EXPECTED TO ARRIVE ALONG PORTIONS OF THE MID-ATLANTIC COAST BY SUNDAY AND REACH LONG ISLAND AND SOUTHERN NEW ENGLAND BY MONDAY MORNING. WINDS TO NEAR HURRICANE FORCE COULD REACH THE MID-ATLANTIC STATES... INCLUDING LONG ISLAND...BY LATE MONDAY. STORM SURGE...THE COMBINATION OF A DANGEROUS STORM SURGE AND THE TIDE WILL CAUSE NORMALLY DRY AREAS NEAR THE COAST TO BE FLOODED BY RISING WATERS. THE WATER COULD REACH THE FOLLOWING DEPTHS ABOVE GROUND IF THE PEAK SURGE OCCURS AT THE TIME OF HIGH TIDE... NC SOUTH OF SURF CITY...1 TO 3 FT NC NORTH OF SURF CITY INCLUDING PAMLICO/ALBERMARLE SNDS...3 TO 5 FT SE VA AND DELMARVA INCLUDING LOWER CHESAPEAKE BAY...2 TO 4 FT UPPER AND MIDDLE CHESAPEAKE BAY...1 TO 2 FT OCEAN CITY MD TO THE CT/RI BORDER...4 TO 8 FT LONG ISLAND SOUND...RARITAN BAY...AND DELAWARE BAY...4 TO 8 FT SURGE-RELATED FLOODING DEPENDS ON THE RELATIVE TIMING OF THE SURGE AND THE TIDAL CYCLE...AND CAN VARY GREATLY OVER SHORT DISTANCES. GIVEN THE LARGE WIND FIELD ASSOCIATED WITH SANDY...ELEVATED WATER LEVELS COULD SPAN MULTIPLE TIDE CYCLES RESULTING IN REPEATED AND EXTENDED PERIODS OF COASTAL AND BAYSIDE FLOODING. IN ADDITION... ELEVATED WATERS COULD OCCUR FAR REMOVED FROM THE CENTER OF SANDY. FURTHERMORE...THESE CONDITIONS WILL OCCUR REGARDLESS OF WHETHER SANDY IS A TROPICAL OR POST-TROPICAL CYCLONE. FOR INFORMATION SPECIFIC TO YOUR AREA...PLEASE SEE PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE. RAINFALL...RAINFALL TOTALS OF 3 TO 6 INCHES ARE EXPECTED OVER FAR EASTERN NORTH CAROLINA...WITH ISOLATED MAXIMUM TOTALS OF 8 INCHES POSSIBLE. RAINFALL AMOUNTS OF 4 TO 8 INCHES ARE EXPECTED OVER PORTIONS OF THE MID-ATLANTIC STATES...INCLUDING THE DELMARVA PENINSULA...WITH ISOLATED MAXIMUM AMOUNTS OF 12 INCHES POSSIBLE. RAINFALL AMOUNTS OF 1 TO 3 INCHES WITH ISOLATED MAXIMUM AMOUNTS OF 5 INCHES ARE POSSIBLE ACROSS PARTS OF SOUTHERN NEW YORK INTO NEW ENGLAND. SURF...DANGEROUS SURF CONDITIONS WILL CONTINUE FROM FLORIDA THROUGH THE MID-ATLANTIC FOR THE NEXT COUPLE OF DAYS AND SPREAD INTO THE NORTHEASTERN STATES ON SUNDAY. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...200 AM EDT. NEXT COMPLETE ADVISORY...500 AM EDT. $$ FORECASTER BEVEN |
