ZCZC MIATCPAT2 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE KATIA ADVISORY NUMBER 40 NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011 1100 PM AST WED SEP 07 2011 ...KATIA TURNING NORTHWARD BETWEEN BERMUDA AND THE EAST COAST OF THE UNITED STATES... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...30.8N 70.0W ABOUT 325 MI...520 KM WSW OF BERMUDA MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NNW OR 340 DEGREES AT 13 MPH...20 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 1100 PM AST...0300 UTC...THE CENTER OF HURRICANE KATIA WAS LOCATED NEAR LATITUDE 30.8 NORTH...LONGITUDE 70.0 WEST. KATIA IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 13 MPH...20 KM/H. THE HURRICANE IS EXPECTED TO TURN TO THE NORTH BY THURSDAY MORNING...FOLLOWED BY A 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 THROUGH 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 COUPLE OF DAYS. 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 90 MILES NORTH OF THE CENTER RECENTLY REPORTED A SUSTAINED WIND OF 67 MPH WITH A GUST TO 83 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 INTERMEDIATE ADVISORY...200 AM AST. NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER CANGIALOSI/BEVEN NNNN
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