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Hurricane SANDY


ZCZC MIATCPAT3 ALL
TTAA00 KNHC DDHHMM
 
BULLETIN
HURRICANE SANDY INTERMEDIATE ADVISORY NUMBER  17A
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182012
200 PM EDT FRI OCT 26 2012
 
...SANDY WEAKENS A LITTLE...
 
 
SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...27.1N 77.1W
ABOUT 30 MI...50 KM NNE OF GREAT ABACO ISLAND
ABOUT 430 MI...695 KM SSE OF CHARLESTON SOUTH CAROLINA
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...N OR 350 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...971 MB...28.67 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
 
THE GOVERNMENT OF THE BAHAMAS HAS REPLACED THE HURRICANE WARNING
WITH A TROPICAL STORM WARNING FOR GREAT ABACO AND GRAND BAHAMA
ISLANDS...AND DISCONTINUED THE TROPICAL STORM WARNING FOR THE
REMAINDER OF THE NORTHWEST BAHAMAS.
 
THE TROPICAL STORM WARNING FOR THE FLORIDA EAST COAST FROM OCEAN
REEF TO DEERFIELD BEACH HAS BEEN DISCONTINUED.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* FLORIDA EAST COAST FROM NORTH OF DEERFIELD BEACH TO FLAGLER BEACH
* LAKE OKEECHOBEE
* GREAT ABACO AND GRAND BAHAMA ISLANDS
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SAVANNAH RIVER TO OREGON INLET NORTH CAROLINA
* PAMLICO SOUND
* FLORIDA EAST COAST FROM NORTH OF FLAGLER BEACH TO FERNANDINA BEACH
* BERMUDA
 
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 200 PM EDT...1800 UTC...THE CENTER OF HURRICANE SANDY WAS
LOCATED NEAR LATITUDE 27.1 NORTH...LONGITUDE 77.1 WEST. SANDY IS
MOVING TOWARD THE NORTH NEAR 7 MPH...11 KM/H...AND A GENERAL
NORTHWARD MOTION IS EXPECTED TO CONTINUE TODAY AND 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 AN AIR FORCE HURRICANE HUNTER AIRCRAFT INDICATE THAT
THE MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 75 MPH...120
KM/H...WITH HIGHER GUSTS.  SANDY IS A CATEGORY ONE HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE.  NO SIGNIFICANT CHANGE IN
STRENGTH IS FORECAST DURING THE NEXT COUPLE OF DAYS
 
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.  A NOAA AUTOMATED STATION AT SETTLEMENT POINT ON
GRAND BAHAMA ISLAND RECENTLY REPORTED A SUSTAINED WIND OF 49
MPH...80 KM/H...AND A WIND GUST OF 58 MPH...93 KM/H.
 
THE MINIMUM CENTRAL PRESSURE ESTIMATED FROM HURRICANE HUNTER
AIRCRAFT DATA IS 971 MB...28.67 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...HURRICANE CONDITIONS WILL CONTINUE IN GREAT ABACO AND GRAND
BAHAMA ISLANDS FOR THE NEXT SEVERAL HOURS.  TROPICAL STORM
CONDITIONS ARE EXPECTED TO CONTINUE TO SPREAD NORTHWARD IN THE
WARNING AREA ALONG THE EAST COAST OF FLORIDA TODAY AND
TONIGHT...AND ARE POSSIBLE IN THE WATCH AREA IN FLORIDA TONIGHT
AND SATURDAY. TROPICAL STORM CONDITIONS ARE POSSIBLE IN THE WATCH
AREA IN THE CAROLINAS SATURDAY AND 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. RAINFALL TOTALS OF 3 TO 6 INCHES ARE
EXPECTED OVER PORTIONS OF THE BAHAMAS..WITH ISOLATED MAXIMUM
AMOUNTS OF 12 INCHES POSSIBLE. RAINFALL TOTALS OF 1 TO 3 INCHES ARE
EXPECTED ACROSS THE FLORIDA KEYS INTO SOUTHEASTERN AND EAST-CENTRAL
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...
 
WARNING AREAS IN THE BAHAMAS...3 TO 5 FT
FLORIDA COAST WITHIN WARNING AREA...1 TO 3 FT
 
SURGE-RELATED FLOODING DEPENDS ON THE RELATIVE TIMING OF THE SURGE
AND THE TIDAL CYCLE...AND CAN VARY GREATLY OVER SHORT DISTANCES.
FOR INFORMATION SPECIFIC TO YOUR AREA...PLEASE SEE PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
 
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 PM EDT.
 
$$
FORECASTER PASCH
 
NNNN


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Page last modified: Monday, 31-Dec-2012 12:09:54 UTC