000 WTNT33 KNHC 170537 TCPAT3 BULLETIN HURRICANE GONZALO INTERMEDIATE ADVISORY NUMBER 19A NWS NATIONAL HURRICANE CENTER MIAMI FL AL082014 200 AM AST FRI OCT 17 2014 ...DANGEROUS HURRICANE GONZALO HEADING TOWARD BERMUDA... ...LIKELY TO BRING DAMAGING WINDS AND LIFE-THREATENING STORM SURGE TODAY... SUMMARY OF 200 AM AST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...28.6N 67.3W ABOUT 295 MI...475 KM SSW OF BERMUDA MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/H PRESENT MOVEMENT...NNE OR 25 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...943 MB...27.85 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 18 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 AM AST...0600 UTC...THE EYE OF HURRICANE GONZALO WAS LOCATED NEAR LATITUDE 28.6 NORTH...LONGITUDE 67.3 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 140 MPH...220 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. STEADY WEAKENING SHOULD BEGIN BY TONIGHT. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM...FROM THE CENTER. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 943 MB...27.85 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...HURRICANE CONDITIONS ARE EXPECTED TO REACH BERMUDA TODAY... 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...AND PORTIONS OF THE EAST COAST OF THE UNITED STATES FROM NORTH CAROLINA SOUTHWARD. SWELLS WILL REACH THE REST OF THE EAST COAST OF THE UNITED STATES AND BERMUDA TODAY. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. FOR MORE INFORMATION...PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER BRENNAN/KIMBERLAIN