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#724776 (Received by flhurricane at: 7:57 AM 16.Oct.2014) TCPAT3 BULLETIN HURRICANE GONZALO INTERMEDIATE ADVISORY NUMBER 16A NWS NATIONAL HURRICANE CENTER MIAMI FL AL082014 800 AM AST THU OCT 16 2014 ...GONZALO MOVING NORTHWARD AS A CATEGORY FOUR HURRICANE... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...25.5N 68.7W ABOUT 525 MI...845 KM SSW OF BERMUDA MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...940 MB...27.76 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. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION TODAY. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 AM AST...1200 UTC...THE EYE OF HURRICANE GONZALO WAS LOCATED BY A NOAA HURRICANE HUNTER AIRCRAFT NEAR LATITUDE 25.5 NORTH... LONGITUDE 68.7 WEST. GONZALO IS MOVING TOWARD THE NORTH NEAR 9 MPH...15 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE TODAY. A TURN TOWARD THE NORTH-NORTHEAST AND AN INCREASE IN FORWARD SPEED ARE EXPECTED TONIGHT AND FRIDAY. ON THE FORECAST TRACK...THE CENTER OF GONZALO IS EXPECTED TO PASS NEAR BERMUDA ON FRIDAY. 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. FLUCTUATIONS IN INTENSITY ARE COMMON IN MAJOR HURRICANES...AND ARE LIKELY TO OCCUR WITH GONZALO TODAY. SLOW WEAKENING IS FORECAST TONIGHT AND FRIDAY...BUT GONZALO IS EXPECTED TO BE A DANGEROUS HURRICANE WHEN IT MOVES NEAR BERMUDA. STEADY WEAKENING SHOULD BEGIN BY LATE FRIDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 150 MILES...240 KM. THE MINIMUM CENTRAL PRESSURE MEASURED BY THE NOAA HURRICANE HUNTER AIRCRAFT IS 940 MB...27.76 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...HURRICANE CONDITIONS ARE EXPECTED TO REACH BERMUDA ON FRIDAY...WITH TROPICAL STORM CONDITIONS BEGINNING LATE TONIGHT OR EARLY FRIDAY 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 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...AND PORTIONS OF THE BAHAMAS. SWELLS WILL REACH MUCH 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...1100 AM AST. $$ FORECASTER BERG |