ZCZC MIATCPAT2 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE KATIA ADVISORY NUMBER 47 NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011 500 PM AST FRI SEP 09 2011 ...KATIA A LARGE HURRICANE OVER THE OPEN NORTH ATLANTIC... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...40.6N 62.7W ABOUT 585 MI...940 KM N OF BERMUDA ABOUT 280 MI...450 KM S OF HALIFAX NOVA SCOTIA MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 38 MPH...61 KM/H MINIMUM CENTRAL PRESSURE...970 MB...28.64 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 HURRICANE KATIA WAS LOCATED NEAR LATITUDE 40.6 NORTH...LONGITUDE 62.7 WEST. KATIA IS MOVING TOWARD THE EAST-NORTHEAST NEAR 38 MPH...61 KM/H...AND THIS GENERAL MOTION ACCOMPANIED BY A GRADUAL INCREASE IN FORWARD SPEED IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/H...WITH HIGHER GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. ONLY SLOW WEAKENING IS FORECAST DURING THE NEXT 48 HOURS...AND KATIA IS EXPECTED TO BECOME A POST-TROPICAL CYCLONE ON SATURDAY. HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 255 MILES...410 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...LARGE SWELLS GENERATED BY KATIA WILL CONTINUE TO AFFECT MOST OF THE EAST COAST OF THE UNITED STATES AND BERMUDA. 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. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM AST. $$ FORECASTER STEWART NNNN
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