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#457134 (Received by flhurricane at: 10:47 AM 06.Sep.2011) TCPAT2 BULLETIN HURRICANE KATIA ADVISORY NUMBER 34 NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011 1100 AM AST TUE SEP 06 2011 ...KATIA WEAKENS A LITTLE...TROPICAL STORM WATCH ISSUED FOR BERMUDA... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...27.0N 65.9W ABOUT 370 MI...600 KM S OF BERMUDA MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...954 MB...28.17 INCHES WATCHES AND WARNINGS -------------------- CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE BERMUDA WEATHER SERVICE HAS ISSUED A TROPICAL STORM WATCH FOR BERMUDA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * BERMUDA A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. FOR ADDITIONAL STORM INFORMATION...PLEASE MONITOR PRODUCTS ISSUED BY THE BERMUDA WEATHER SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE KATIA WAS LOCATED NEAR LATITUDE 27.0 NORTH...LONGITUDE 65.9 WEST. KATIA IS MOVING TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/H...AND THIS MOTION IS EXPECTED TO CONTINUE THROUGH WEDNESDAY...FOLLOWED BY A TURN TOWARD THE NORTH-NORTHWEST AND NORTH BY THURSDAY. ON THE FORECAST TRACK...THE CORE OF KATIA IS EXPECTED TO MOVE OVER THE WESTERN ATLANTIC BETWEEN BERMUDA AND THE EAST COAST OF THE UNITED STATES. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 120 MPH...195 KM/H...WITH HIGHER GUSTS. KATIA IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. FLUCTUATIONS IN INTENSITY ARE POSSIBLE THROUGH WEDNESDAY...AND WEAKENING IS EXPECTED BY WEDNESDAY NIGHT AND THURSDAY. A HURRICANE HUNTER AIRCRAFT WILL CHECK THE INTENSITY OF KATIA THIS AFTERNOON. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 65 MILES...100 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205 MILES...335 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 954 MB...28.17 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...LARGE SWELLS GENERATED BY KATIA WILL CONTINUE TO AFFECT MOST OF THE EAST COAST OF THE UNITED STATES...BERMUDA...THE GREATER ANTILLES...AND EAST-FACING BEACHES OF THE BAHAMAS DURING THE NEXT FEW DAYS. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION. WIND...TROPICAL-STORM-FORCE WINDS...ESPECIALLY IN GUSTS...ARE POSSIBLE ON BERMUDA THROUGH THURSDAY. RAINFALL...KATIA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 1 TO 2 INCHES ACROSS BERMUDA. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...200 PM AST. NEXT COMPLETE ADVISORY...500 PM AST. $$ FORECASTER BERG/AVILA |