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#41696 (Received by flhurricane at: 7:43 PM 24.Aug.2005) TCPAT2 BULLETIN TROPICAL STORM KATRINA INTERMEDIATE ADVISORY NUMBER 5A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 8 PM EDT WED AUG 24 2005 ...KATRINA BEGINS TO TURN MORE WESTWARD...RECONNAISSANCE PLANE INDICATES LITTLE CHANGE IN STRENGTH... A TROPICAL STORM WARNING AND A HURRICANE WATCH REMAIN IN EFFECT FOR THE SOUTHEAST FLORIDA COAST FROM VERO BEACH SOUTHWARD TO FLORIDA CITY...INCLUDING LAKE OKEECHOBEE. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. A HURRICANE WARNING WILL LIKELY BE ISSUED FOR PORTIONS OF THE HURRICANE WATCH AREA LATER THIS EVENING. AT 8 PM...0000 EDT...THE TROPICAL STORM WARNING FOR THE CENTRAL BAHAMAS HAS BEEN DISCONTINUED. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE NORTHWEST BAHAMAS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. A HURRICANE WARNING MAY BE REQUIRED FOR PORTIONS OF THE NORTHWEST BAHAMAS LATER TONIGHT. A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE EAST-CENTRAL FLORIDA COAST FROM NORTH OF VERO BEACH TO TITUSVILLE...INCLUDING ALL OF MERRITT ISLAND AND FOR THE MIDDLE AND UPPER FLORIDA KEYS FROM WEST OF THE SEVEN MILE BRIDGE NORTHWARD TO SOUTH OF FLORIDA CITY. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 8 PM EDT...0000Z...THE CENTER OF TROPICAL STORM KATRINA WAS LOCATED NEAR LATITUDE 26.0 NORTH...LONGITUDE 77.6 WEST OR ABOUT 65 MILES...105 KM...NORTH OF NASSAU AND ABOUT 165 MILES... 270 KM...EAST OF THE SOUTHEAST COAST OF FLORIDA. RADAR AND RECONNAISSANCE DATA INDICATE THAT KATRINA HAS BEGUN TO TURN TOWARD THE WEST AND IS NOW MOVING BETWEEN THE WEST-NORTHWEST AND WEST NEAR 9 MPH...15 KM/HR. A GRADUAL DECREASE IN FORWARD SPEED IS EXPECTED ON THURSDAY. THIS MOTION WILL BRING THE CENTER THROUGH THE NORTHWEST BAHAMAS TONIGHT AND THURSDAY...AND INTO THE FLORIDA STRAITS THURSDAY NIGHT. MAXIMUM SUSTAINED REMAIN NEAR 45 MPH... 75 KM/HR...WITH HIGHER GUSTS. KATRINA HAS THE POTENTIAL FOR SOME STRENGTHENING DURING THE NEXT 24 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 70 MILES ...110 KM FROM THE CENTER. THE MINIMUM CENTRAL PRESSURE RECENTLY OBSERVED BY AN AIR FORCE RESERVE UNIT RECONNAISSANCE AIRCRAFT WAS 1001 MB...29.56 INCHES. DUE TO ITS SLOW FORWARD SPEED...KATRINA IS EXPECTED TO PRODUCE A SIGNIFICANT HEAVY RAINFALL EVENT OVER THE CENTRAL AND NORTHWEST BAHAMAS...AND SOUTH FLORIDA... WITH TOTAL RAINFALL ACCUMULATIONS OF 6 TO 12 INCHES AND ISOLATED MAXIMUM AMOUNTS OF 15 TO 20 INCHES POSSIBLE. STORM SURGE FLOODING OF 3 TO 5 FEET ABOVE NORMAL TIDE LEVELS... ALONG WITH LARGE AND DANGEROUS BATTERING WAVES... CAN BE EXPECTED NEAR THE CENTER IN AREAS OF ONSHORE WINDS IN THE BAHAMAS. REPEATING THE 8 PM EDT POSITION...26.0 N... 77.6 W. MOVEMENT TOWARD...WEST-NORTHWEST NEAR 9 MPH. MAXIMUM SUSTAINED WINDS... 45 MPH. MINIMUM CENTRAL PRESSURE...1001 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 11 PM EDT. FORECASTER AVILA |