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Hurricane SANDY (Text)


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HURRICANE SANDY INTERMEDIATE ADVISORY NUMBER  18A
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182012
800 PM EDT FRI OCT 26 2012
 
...SANDY MOVING SLOWLY NORTHWARD AWAY FROM GREAT ABACO...
 
 
SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...27.5N 77.2W
ABOUT 75 MI...120 KM N OF GREAT ABACO ISLAND
ABOUT 400 MI...645 KM SSE OF CHARLESTON SOUTH CAROLINA
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...970 MB...28.64 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED FOR THE FLORIDA
COAST FROM JUPITER INLET SOUTHWARD TO DEERFIELD BEACH.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* FLORIDA EAST COAST FROM NORTH OF JUPITER INLET TO ST AUGUSTINE
* SOUTH SANTEE RIVER TO DUCK...INCLUDING PAMLICO
AND ALBEMARLE SOUNDS
* GREAT ABACO AND GRAND BAHAMA ISLANDS
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SAVANNAH RIVER TO SOUTH SANTEE RIVER
* FLORIDA EAST COAST FROM NORTH OF ST AUGUSTINE TO FERNANDINA BEACH
* BERMUDA
 
IN ADDITION...GALE WATCHES ARE IN EFFECT FOR AREAS NORTH OF THE
TROPICAL STORM WARNING AREA.  SEE STATEMENTS FROM LOCAL NATIONAL
WEATHER SERVICE FORECAST OFFICES.
 
INTERESTS ELSEWHERE ALONG THE EAST COAST OF THE UNITED STATES SHOULD
MONITOR THE PROGRESS OF SANDY.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA.
 
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 800 PM EDT...0000 UTC...THE CENTER OF HURRICANE SANDY WAS LOCATED
NEAR LATITUDE 27.5 NORTH...LONGITUDE 77.2 WEST. SANDY IS MOVING
TOWARD THE NORTH NEAR 7 MPH...11 KM/H...AND A GENERAL NORTHWARD
MOTION IS EXPECTED TO CONTINUE TONIGHT...FOLLOWED BY A TURN TOWARD
THE NORTH-NORTHEAST WITH AN INCREASE IN FORWARD SPEED ON
SATURDAY...AND A TURN TOWARD THE NORTHEAST ON SUNDAY.  ON THE
FORECAST TRACK...THE CENTER OF SANDY WILL BE MOVING AWAY FROM THE
NORTHWESTERN BAHAMAS.
 
REPORTS FROM A NOAA HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM
SUSTAINED WINDS REMAIN NEAR 75 MPH...120 KM/H...WITH HIGHER GUSTS. 
SANDY IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE
WIND SCALE.  SOME WEAKENING IS FORECAST DURING THE NEXT DAY OR TWO.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO
275 MILES...445 KM.  NOAA BUOY 41010...LOCATED ABOUT 130 MILES
NORTHWEST OF THE CENTER...RECENTLY REPORTED SUSTAINED WINDS OF
54 MPH...86 KM/H...AND A WIND GUST OF 69 MPH...111 KM/H.
 
THE MINIMUM CENTRAL PRESSURE ESTIMATED FROM THE HURRICANE HUNTER
AIRCRAFT DATA IS 970 MB...28.64 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS WILL CONTINUE IN GREAT ABACO AND
GRAND BAHAMA ISLANDS FOR THE NEXT FEW HOURS.  TROPICAL STORM
CONDITIONS ARE EXPECTED TO CONTINUE OVER THE WARNING AREA ALONG THE
EAST COAST OF FLORIDA TONIGHT.  TROPICAL STORM CONDITIONS ARE
EXPECTED IN THE TROPICAL STORM WARNING AREA IN THE CAROLINAS
SATURDAY AND SATURDAY NIGHT.  TROPICAL STORM CONDITIONS ARE
POSSIBLE IN THE WATCH AREAS TONIGHT THROUGH SATURDAY NIGHT.
 
RAINFALL...SANDY IS EXPECTED TO PRODUCE TOTAL RAINFALL AMOUNTS OF 6
TO 12 INCHES ACROSS HAITI AND THE DOMINICAN REPUBLIC...WITH
ISOLATED MAXIMUM TOTALS OF 20 INCHES POSSIBLE.  THESE RAINS MAY
PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES..ESPECIALLY IN
AREAS OF MOUNTAINOUS TERRAIN.  ADDITIONAL RAINFALL ACCUMULATIONS OF
1 TO 2 INCHES ARE EXPECTED OVER PORTIONS OF THE BAHAMAS...WITH
ISOLATED MAXIMUM TOTALS OF 12 INCHES POSSIBLE.  ADDITIONAL RAINFALL
ACCUMULATIONS OF 1 TO 2 INCHES ARE EXPECTED OVER PORTIONS OF
EASTERN FLORIDA...WITH ISOLATED MAXIMUM AMOUNTS OF 6 INCHES
POSSIBLE.  RAINFALL TOTALS OF 4 TO 8 INCHES ARE POSSIBLE OVER FAR
EASTERN NORTH CAROLINA.
 
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...
 
BAHAMAS WITHIN THE WARNING AREA...3 TO 5 FT
FLORIDA COAST WITHIN WARNING AREA...1 TO 3 FT
NORTH CAROLINA WITHIN THE WARNING AREA...3 TO 5 FT
REMAINDER OF NORTH CAROLINA AND SE VIRGINIA INCLUDING LOWER
CHESAPEAKE BAY...2 TO 4 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 PERIODS
OF COASTAL AND BAYSIDE FLOODING. FOR INFORMATION SPECIFIC TO YOUR
AREA...PLEASE SEE PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
SURF...DANGEROUS SURF CONDITIONS ARE OCCURRING FROM FLORIDA THROUGH
THE CAROLINAS AND WILL CONTINUE FOR THE NEXT COUPLE OF DAYS.
 
 
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 PM EDT.
 
$$
FORECASTER BEVEN
 
NNNN

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Page last modified: Monday, 31-Dec-2012 12:09:55 UTC