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#457572 (Received by flhurricane at: 7:43 PM 07.Sep.2011) TCPAT2 BULLETIN HURRICANE KATIA INTERMEDIATE ADVISORY NUMBER 39A NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011 800 PM AST WED SEP 07 2011 ...KATIA GENERATING LARGE SWELLS ON BERMUDA AND THE EAST COAST OF THE UNITED STATES... SUMMARY OF 800 PM AST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...30.2N 69.9W ABOUT 335 MI...535 KM WSW OF BERMUDA MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NW OR 325 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...982 MB...29.00 INCHES WATCHES AND WARNINGS -------------------- CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * BERMUDA FOR ADDITIONAL STORM INFORMATION...PLEASE MONITOR PRODUCTS ISSUED BY THE BERMUDA WEATHER SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 PM AST...0000 UTC...THE CENTER OF HURRICANE KATIA WAS LOCATED NEAR LATITUDE 30.2 NORTH...LONGITUDE 69.9 WEST. KATIA IS MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/H. THE HURRICANE IS EXPECTED TO TURN TOWARD THE NORTH BY EARLY THURSDAY...FOLLOWED BY NORTH-NORTHEASTWARD MOTION WITH AN INCREASE IN FORWARD SPEED THURSDAY NIGHT AND FRIDAY. ON THE FORECAST TRACK...THE CENTER OF KATIA WILL MOVE BETWEEN THE EAST COAST OF THE UNITED STATES AND BERMUDA TONIGHT AND THURSDAY. MAXIMUM SUSTAINED WINDS REMAIN NEAR 80 MPH...130 KM/H...WITH HIGHER GUSTS. KATIA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 48 HOURS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 205 MILES...335 KM. A NOAA BUOY LOCATED ABOUT 125 MILES NORTH OF THE CENTER OF KATIA RECENTLY REPORTED A SUSTAINED WIND OF 54 MPH WITH A GUST TO 65 MPH. ESTIMATED MINIMUM CENTRAL PRESSURE IS 982 MB...29.00 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...LARGE SWELLS GENERATED BY KATIA WILL CONTINUE TO AFFECT MOST OF THE EAST COAST OF THE UNITED STATES...BERMUDA...AND EAST-FACING BEACHES OF THE BAHAMAS DURING THE NEXT COUPLE OF 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 IN BERMUDA THROUGH THURSDAY. RAINFALL...KATIA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 1 TO 2 INCHES ACROSS BERMUDA. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM AST. $$ FORECASTER CANGIALOSI/BEVEN |