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#723951 (Received by flhurricane at: 1:57 PM 13.Oct.2014) TCPAT3 BULLETIN TROPICAL STORM GONZALO INTERMEDIATE ADVISORY NUMBER 5A NWS NATIONAL HURRICANE CENTER MIAMI FL AL082014 200 PM AST MON OCT 13 2014 ...GONZALO CONTINUES TO STRENGTHEN WHILE IT MOVES THROUGH THE NORTHERN LEEWARD ISLANDS... ...EXPECTED TO BECOME A HURRICANE THIS EVENING... SUMMARY OF 200 PM AST...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...17.4N 62.4W ABOUT 65 MI...105 KM SE ST. MARTIN ABOUT 185 MI...295 KM ESE OF ST. THOMAS MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...988 MB...29.18 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * BRITISH VIRGIN ISLANDS A HURRICANE WATCH IS IN EFFECT FOR... * ST. MAARTIN * ST. MARTIN * ANGUILLA * PUERTO RICO * VIEQUES AND CULEBRA * U.S. VIRGIN ISLANDS A TROPICAL STORM WARNING IS IN EFFECT FOR... * 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 A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE IN THE NEXT 24 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 PM AST...1800 UTC...THE CENTER OF TROPICAL STORM GONZALO WAS LOCATED BY AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT AND GUADELOUPE RADAR NEAR LATITUDE 17.4 NORTH...LONGITUDE 62.4 WEST. GONZALO IS MOVING TOWARD THE WEST-NORTHWEST NEAR 10 MPH...17 KM/H. THIS GENERAL MOTION IS EXPECTED TO CONTINUE TODAY...FOLLOWED BY A TURN TOWARD THE NORTHWEST TONIGHT. ON THE FORECAST TRACK...THE CENTER OF GONZALO WILL CONTINUE TO MOVE THROUGH THE NORTHERN LEEWARD ISLANDS TONIGHT...AND BE NEAR OR OVER THE VIRGIN ISLANDS TONIGHT AND EARLY TUESDAY. REPORTS FROM THE RECONNAISSANCE AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 70 MPH...100 KM/H...WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND GONZALO IS EXPECTED TO BECOME A HURRICANE BY THIS EVENING. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM FROM THE CENTER. THE MINIMUM CENTRAL PRESSURE RECENTLY MEASURED BY THE AIRCRAFT WAS 988 MB...29.18 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...HURRICANE CONDITIONS ARE EXPECTED IN THE BRITISH VIRGIN ISLANDS TONIGHT AND EARLY TUESDAY. HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE HURRICANE WATCH AREA TONIGHT AND EARLY TUESDAY....WITH TROPICAL STORM CONDITIONS EXPECTED BY THIS EVENING. TROPICAL STORM CONDITIONS WILL CONTINUE TO SPREAD OVER PORTIONS OF THE WARNING AREA IN THE LEEWARD ISLANDS TODAY. 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 PUERTO RICO...WITH ISOLATED MAXIMUM TOTALS OF 12 INCHES POSSIBLE. SURF...SWELLS GENERATED BY GONZALO ARE AFFECTING THE LEEWARD ISLANDS FROM DOMINICA NORTHWARD. SWELLS WILL REACH THE U.S. AND BRITISH VIRGIN ISLANDS THIS AFTERNOON AND EVENING. 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 PM AST. $$ FORECASTER STEWART |