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| #146987 (Received by flhurricane at: 7:49 PM 19.Aug.2007) TCPAT4 BULLETIN HURRICANE DEAN INTERMEDIATE ADVISORY NUMBER 27A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL042007 800 PM EDT SUN AUG 19 2007 ...HURRICANE CONDITIONS SWEEP ACROSS THE SOUTHERN COAST OF JAMAICA AS THE EYE OF DEAN PASSES JUST TO THE SOUTH... ...OUTER RAIN BANDS AFFECTING HAITI AND EASTERN CUBA... AT 8 PM EDT...0000 UTC...THE GOVERNMENT OF BELIZE HAS ISSUED A HURRICANE WATCH FROM BELIZE CITY NORTHWARD TO THE BELIZE/MEXICO BORDER...AND A TROPICAL STORM WATCH FROM SOUTH OF BELIZE CITY SOUTHWARD TO THE BELIZE/GUATEMALA BORDER. A HURRICANE WARNING REMAINS IN EFFECT FOR JAMAICA AND THE CAYMAN ISLANDS. PREPARATIONS TO PROTECT LIFE AND PROPERTY IN JAMAICA SHOULD HAVE ALREADY BEEN COMPLETED. PREPARATIONS IN THE CAYMAN ISLANDS SHOULD BE RUSHED TO COMPLETION. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE SOUTHWESTERN PENINSULA OF HAITI FROM PORT-AU-PRINCE TO THE HAITI/DOMINICAN REPUBLIC BORDER. A TROPICAL STORM WARNING IS ALSO IN EFFECT FOR PORTIONS OF EASTERN CUBA...FROM THE PROVINCE OF CAMAGUEY EASTWARD TO THE PROVINCE OF GUANTANAMO. A HURRICANE WATCH REMAINS IN EFFECT FROM CHETUMAL TO SAN FELIPE ON THE YUCATAN PENINSULA OF MEXICO. A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE FOLLOWING PROVINCES OF CUBA...PINAR DEL RIO...LA HABANA... CIEGO DE AVILA...SANCTI SPIRITUS... CIENFUEGOS... MATANZAS...AND ISLA DE LA JUVENTUD. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 800 PM EDT...0000Z...THE CENTER OF HURRICANE DEAN WAS LOCATED NEAR LATITUDE 17.5 NORTH...LONGITUDE 77.8 WEST OR ABOUT 70 MILES... 115 KM...WEST-SOUTHWEST OF KINGSTON JAMAICA AND ABOUT 265 MILES...425 KM...EAST-SOUTHEAST OF GRAND CAYMAN. DEAN IS MOVING TOWARD THE WEST NEAR 20 MPH...32 KM/HR. A MOTION BETWEEN WEST AND WEST-NORTHWEST IS EXPECTED OVER THE NEXT 24 HOURS. ON THE FORECAST TRACK...THE CENTER OF DEAN WILL BE PASSING VERY NEAR THE SOUTHWESTERN COAST OF JAMAICA DURING THE NEXT SEVERAL HOURS... AND JUST SOUTH OF THE CAYMAN ISLANDS ON MONDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 145 MPH...230 KM/HR...WITH HIGHER GUSTS. DEAN IS AN EXTREMELY DANGEROUS CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON SCALE. FLUCTUATIONS IN INTENSITY ARE COMMON IN MAJOR HURRICANES AND ARE POSSIBLE DURING THE NEXT 24 HOURS. DEAN HAS THE POTENTIAL TO BECOME A CATEGORY FIVE HURRICANE IN THE NORTHWESTERN CARIBBEAN SEA ON MONDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205 MILES...335 KM. AN OBSERVATION OF SUSTAINED WINDS OF 80 MPH WAS REPORTED FROM KINGSTON JAMAICA...AND AN UNOFFICIAL OBSERVATION OF SUSTAINED WINDS OF 100 MPH WAS REPORTED FROM LIONEL TOWN JAMAICA. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 930 MB...27.46 INCHES. COASTAL STORM SURGE FLOODING OF 7 TO 9 FEET ABOVE NORMAL TIDE LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...IS POSSIBLE NEAR THE CENTER OF DEAN WITHIN THE HURRICANE WARNING AREA. HAM RADIO REPORTS INDICATE FLOODED STREETS IN KINGSTON JAMAICA. STORM TOTAL RAINFALL AMOUNTS OF 5 TO 10 INCHES CAN BE EXPECTED OVER JAMAICA...WITH MAXIMUM AMOUNTS OF UP TO 20 INCHES. AMOUNTS OF 4 TO 8 INCHES WITH MAXIMUM AMOUNTS OF 12 INCHES ARE EXPECTED OVER THE CAYMAN ISLANDS. ADDITIONAL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE OVER SOUTHERN HISPANIOLA WITH MAXIMUM STORM TOTALS OF 10 INCHES. EASTERN CUBA COULD RECEIVE 2 TO 4 INCHES OF RAIN...WITH MAXIMUM AMOUNTS UP TO 7 INCHES. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES. REPEATING THE 800 PM EDT POSITION...17.5 N...77.8 W. MOVEMENT TOWARD...WEST NEAR 20 MPH. MAXIMUM SUSTAINED WINDS...145 MPH. MINIMUM CENTRAL PRESSURE...930 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 PM EDT. $$ FORECASTER KNABB/ROBERTS |
