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| #724979 (Received by flhurricane at: 4:37 AM 17.Oct.2014) TCPAT3 BULLETIN HURRICANE GONZALO ADVISORY NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082014 500 AM AST FRI OCT 17 2014 ...CONDITIONS ON BERMUDA WILL DETERIORATE THIS MORNING... ...GONZALO LIKELY TO BRING DAMAGING WINDS AND A LIFE-THREATENING STORM SURGE LATER TODAY... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...29.3N 66.8W ABOUT 240 MI...385 KM SSW OF BERMUDA MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H PRESENT MOVEMENT...NNE OR 25 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...946 MB...27.94 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * BERMUDA A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 12 TO 18 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 AM AST...0900 UTC...THE EYE OF HURRICANE GONZALO WAS LOCATED NEAR LATITUDE 29.3 NORTH...LONGITUDE 66.8 WEST. GONZALO IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 15 MPH...24 KM/H. A CONTINUED NORTH-NORTHEASTWARD MOTION WITH AN INCREASE IN FORWARD SPEED IS EXPECTED THROUGH SATURDAY. ON THE FORECAST TRACK...THE EYE OF GONZALO WILL BE NEAR BERMUDA THIS AFTERNOON AND TONIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 130 MPH...215 KM/H...WITH HIGHER GUSTS. GONZALO IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SLOW WEAKENING IS FORECAST TODAY...BUT GONZALO IS EXPECTED TO BE A DANGEROUS HURRICANE WHEN IT MOVES NEAR BERMUDA. FASTER WEAKENING IS FORECAST TO BEGIN TONIGHT. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 946 MB...27.94 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...HURRICANE CONDITIONS ARE EXPECTED TO REACH BERMUDA THIS AFTERNOON...WITH TROPICAL STORM CONDITIONS BEGINNING LATER THIS MORNING. IT SHOULD BE NOTED THAT WIND SPEEDS ATOP AND ON THE WINDWARD SIDES OF HILLY TERRAIN ARE OFTEN UP TO 30 PERCENT STRONGER THAN AT THE SURFACE...AND IN SOME ELEVATED LOCATIONS CAN BE EVEN GREATER. STORM SURGE...A DANGEROUS AND LIFE-THREATENING STORM SURGE IS EXPECTED TO PRODUCE SIGNIFICANT COASTAL FLOODING IN BERMUDA. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. RAINFALL...GONZALO IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 6 INCHES OVER BERMUDA. SURF...LARGE SWELLS GENERATED BY GONZALO ARE AFFECTING PORTIONS OF THE VIRGIN ISLANDS...THE NORTHERN COASTS OF PUERTO RICO AND THE DOMINICAN REPUBLIC...PORTIONS OF THE BAHAMAS...PORTIONS OF THE SOUTHEAST COAST OF THE UNITED STATES...AND BERMUDA. SWELLS WILL SPREAD NORTHWARD ALONG THE U.S. EAST COAST TODAY. THESE SWELLS WILL LIKELY CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. FOR MORE INFORMATION...PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...800 AM AST. NEXT COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER KIMBERLAIN/BRENNAN |
