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#552835 (Received by flhurricane at: 7:56 AM 26.Oct.2012) TCPAT3 BULLETIN HURRICANE SANDY INTERMEDIATE ADVISORY NUMBER 16A NWS NATIONAL HURRICANE CENTER MIAMI FL AL182012 800 AM EDT FRI OCT 26 2012 ...SANDY NEAR GREAT ABACO ISLAND... SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...26.4N 76.9W ABOUT 15 MI...25 KM E OF GREAT ABACO ISLAND ABOUT 480 MI...770 KM SSE OF CHARLESTON SOUTH CAROLINA MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NW OR 325 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...970 MB...28.64 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * THE NORTHWESTERN BAHAMAS EXCEPT ANDROS ISLAND A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE CENTRAL BAHAMAS * FLORIDA EAST COAST FROM OCEAN REEF TO FLAGLER BEACH * LAKE OKEECHOBEE * ANDROS ISLAND IN THE NORTHWESTERN BAHAMAS 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 * FLORIDA UPPER KEYS FROM OCEAN REEF TO CRAIG KEY * FLORIDA BAY INTERESTS ELSEWHERE ALONG THE EAST COAST OF THE UNITED STATES SHOULD MONITOR THE PROGRESS OF SANDY. A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. 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 AM EDT...1200 UTC...THE CENTER OF HURRICANE SANDY WAS LOCATED NEAR LATITUDE 26.4 NORTH...LONGITUDE 76.9 WEST. SANDY IS MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/H. A FURTHER DECREASE IN FORWARD SPEED IS EXPECTED TODAY...FOLLOWED BY A TURN TOWARD THE NORTH TONIGHT AND A TURN TOWARD THE NORTHEAST ON SATURDAY. ON THE FORECAST TRACK...THE CENTER OF SANDY WILL CONTINUE MOVING NEAR THE NORTHWESTERN BAHAMAS THIS MORNING AND MOVE NORTH OF THE BAHAMAS TONIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/H...WITH HIGHER GUSTS. SANDY IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME WEAKENING IS POSSIBLE DURING THE NEXT DAY OR SO. 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. THE WIND FIELD OF SANDY IS EXPECTED TO GROW IN SIZE DURING THE NEXT COUPLE OF DAYS. THE MINIMUM CENTRAL PRESSURE ESTIMATED BY HURRICANE HUNTER AIRCRAFT DATA IS 970 MB...28.64 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...HURRICANE CONDITIONS WILL CONTINUE IN THE HURRICANE WARNING AREA OVER THE NORTHWESTERN BAHAMAS THROUGH THIS MORNING. TROPICAL STORM CONDITIONS ARE EXPECTED 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 MUDSLIDES...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... HURRICANE WARNING AREA IN THE BAHAMAS...5 TO 8 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...1100 AM EDT. $$ FORECASTER PASCH |