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
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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
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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
DISCUSSION AND 48-HOUR OUTLOOK
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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.
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