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#456055 (Received by flhurricane at: 4:53 PM 03.Sep.2011) TCPAT2 BULLETIN TROPICAL STORM KATIA ADVISORY NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011 500 PM AST SAT SEP 03 2011 ...KATIA SPARRING WITH STRONG UPPER-LEVEL WINDS...KNOCKED DOWN TO A TROPICAL STORM FOR THE SECOND TIME... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...19.9N 56.8W ABOUT 430 MI...690 KM ENE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...993 MB...29.32 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 CENTER OF TROPICAL STORM KATIA WAS LOCATED NEAR LATITUDE 19.9 NORTH...LONGITUDE 56.8 WEST. KATIA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 10 MPH...17 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH MONDAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 70 MPH...110 KM/H...WITH HIGHER GUSTS. FLUCTUATIONS IN INTENSITY ARE POSSIBLE OVER THE NEXT DAY OR SO...AND KATIA COULD RE-STRENGTHEN BACK TO A HURRICANE AT ANY TIME. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 993 MB...29.32 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...SWELLS GENERATED BY KATIA ARE AFFECTING THE LESSER ANTILLES AND COULD BEGIN TO AFFECT BERMUDA BY TONIGHT OR SUNDAY. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM AST. $$ FORECASTER BERG |