000 WTNT33 KNHC 130550 TCPAT3 BULLETIN TROPICAL STORM GONZALO INTERMEDIATE ADVISORY NUMBER 3A NWS NATIONAL HURRICANE CENTER MIAMI FL AL082014 200 AM AST MON OCT 13 2014 ...GONZALO NEARING THE LEEWARD ISLANDS... SUMMARY OF 200 AM AST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...16.7N 60.6W ABOUT 60 MI...95 KM ENE OF GUADELOUPE ABOUT 85 MI...135 KM ESE OF ANTIGUA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * PUERTO RICO * VIEQUES AND CULEBRA * U.S. VIRGIN ISLANDS * BRITISH VIRGIN ISLANDS A TROPICAL STORM WARNING IS IN EFFECT FOR... * GUADELOUPE...DESIRADE...LES SAINTES...AND MARIE GALANTE * ST. MARTIN * ST. BARTHELEMY * ST. MAARTIN * SABA AND ST. EUSTATIUS * BARBUDA * ANTIGUA * ANGUILLA * ST. KITTS AND NEVIS * MONTSERRAT * PUERTO RICO * VIEQUES AND CULEBRA * U.S. VIRGIN ISLANDS * BRITISH VIRGIN ISLANDS A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE IN THE NEXT 24 TO 36 HOURS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 AM AST...0600 UTC...THE CENTER OF TROPICAL STORM GONZALO WAS LOCATED NEAR LATITUDE 16.7 NORTH...LONGITUDE 60.6 WEST. GONZALO IS MOVING TOWARD THE WEST NEAR 12 MPH...19 KM/H. A TURN TOWARD THE WEST-NORTHWEST IS FORECAST TODAY...FOLLOWED BY A TURN TOWARD THE NORTHWEST BY TUESDAY. ON THE FORECAST TRACK...THE CENTER OF GONZALO WILL MOVE ACROSS THE LEEWARD ISLANDS TODAY...AND ACROSS THE VIRGIN ISLANDS AND NEAR EASTERN PUERTO RICO TONIGHT. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 50 MPH...85 KM/H... WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND GONZALO IS FORECAST TO BECOME A HURRICANE BY EARLY TUESDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1001 MB...29.56 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO SPREAD OVER PORTIONS OF THE WARNING AREA IN THE LEEWARD ISLANDS EARLY THIS MORNING AND CONTINUE SPREADING WEST-NORTHWESTWARD THROUGH TONIGHT. HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE HURRICANE WATCH AREA MONDAY NIGHT AND EARLY TUESDAY....WITH TROPICAL STORM CONDITIONS EXPECTED BY MONDAY EVENING. RAINFALL...GONZALO IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8 INCHES ACROSS THE LEEWARD ISLANDS...BRITISH AND U.S. VIRGIN ISLANDS...AND EASTERN PUERTO RICO...WITH ISOLATED MAXIMUM TOTALS OF 12 INCHES POSSIBLE. SURF...SWELLS GENERATED BY GONZALO WILL AFFECT THE LEEWARD ISLANDS FROM DOMINICA NORTHWARD TODAY. SWELLS WILL REACH THE U.S. AND BRITISH VIRGIN ISLANDS BY THIS AFTERNOON. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER BROWN/ROBERTS