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| #456425 (Received by flhurricane at: 4:49 PM 04.Sep.2011) TCPAT2 BULLETIN HURRICANE KATIA ADVISORY NUMBER 27 NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011 500 PM AST SUN SEP 04 2011 ...THREAT OF RIP CURRENTS EXPECTED TO INCREASE ALONG THE EAST COAST OF THE UNITED STATES DURING THE NEXT FEW DAYS... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...22.7N 60.1W ABOUT 365 MI...590 KM NNE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...965 MB...28.50 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 PM AST...2100 UTC...THE EYE OF HURRICANE KATIA WAS LOCATED NEAR LATITUDE 22.7 NORTH...LONGITUDE 60.1 WEST. KATIA IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/H...AND THIS GENERAL MOTION WITH A SLIGHT DECREASE IN FORWARD SPEED IS EXPECTED THROUGH TUESDAY. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 105 MPH...165 KM/H... WITH HIGHER GUSTS. KATIA IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND KATIA COULD BECOME A MAJOR HURRICANE ON MONDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 965 MB...28.50 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...LARGE SWELLS GENERATED BY KATIA ARE EXPECTED TO AFFECT PARTS 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. SWELLS AFFECTING THE NORTHERN LEEWARD ISLANDS SHOULD BEGIN TO SUBSIDE TONIGHT OR ON MONDAY. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM AST. $$ FORECASTER BERG |
