000 WTNT31 KNHC 042055 TCPAT1 BULLETIN HURRICANE ARTHUR ADVISORY NUMBER 16 NWS NATIONAL HURRICANE CENTER MIAMI FL AL012014 500 PM EDT FRI JUL 04 2014 ...TROPICAL-STORM-FORCE WINDS EXPECTED OVER CAPE COD AND NANTUCKET TONIGHT... SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...39.4N 71.1W ABOUT 170 MI...270 KM SSW OF CHATHAM MASSACHUSETTS ABOUT 400 MI...640 KM SW OF YARMOUTH NOVA SCOTIA MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NE OR 45 DEGREES AT 26 MPH...43 KM/H MINIMUM CENTRAL PRESSURE...979 MB...28.91 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NON-TROPICAL HIGH WIND WARNINGS...FOR WINDS IN EXCESS OF 40 MPH ...HAVE BEEN ISSUED FOR PORTIONS OF EASTERN MAINE. FOR DETAILS PLEASE SEE PRODUCTS ISSUED BY LOCAL NWS WEATHER FORECAST OFFICES. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * NANTUCKET * CAPE COD FROM PROVINCETOWN TO WOODS HOLE * NOVA SCOTIA INCLUDING CAPE BRETON ISLAND * PRINCE EDWARD ISLAND * NEW BRUNSWICK FROM THE U.S./CANADA BORDER TO GRAND-ANSE IN ADDITION...HIGH WIND WARNINGS...FOR WINDS IN EXCESS OF 40 MPH... ARE IN EFFECT FOR PORTIONS OF EASTERN MAINE. 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 500 PM EDT...2100 UTC...THE CENTER OF HURRICANE ARTHUR WAS LOCATED NEAR LATITUDE 39.4 NORTH...LONGITUDE 71.1 WEST. ARTHUR IS MOVING TOWARD THE NORTHEAST NEAR 26 MPH...43 KM/H...AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT DAY OR SO. ON THE FORECAST TRACK...THE CENTER OF ARTHUR WILL PASS SOUTHEAST OF NEW ENGLAND TONIGHT...AND BE NEAR OR OVER WESTERN NOVA SCOTIA EARLY ON SATURDAY...AND OVER THE GULF OF ST. LAWRENCE SATURDAY NIGHT. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 80 MPH...130 KM/H...WITH HIGHER GUSTS. ADDITIONAL WEAKENING IS FORECAST DURING THE NEXT 48 HOURS...AND ARTHUR IS EXPECTED TO BECOME A POST-TROPICAL CYCLONE SATURDAY MORNING. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 160 MILES...260 KM. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS 979 MB...28.91 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO REACH THE WARNING AREA IN NEW ENGLAND THIS EVENING. TROPICAL STORM CONDITIONS ARE EXPECTED TO REACH THE WARNING AREA IN CANADA TONIGHT AND SPREAD NORTHWARD ON SATURDAY. IN ADDITION...WINDS IN EXCESS OF 40 MPH ARE EXPECTED OVER PORTIONS OF EASTERN MAINE ON SATURDAY...BEHIND A COLD FRONT OVERTAKING THE CIRCULATION OF ARTHUR. STORM SURGE...COASTAL FLOODING IS POSSIBLE ALONG CAPE COD TONIGHT. FOR INFORMATION SPECIFIC TO YOUR AREA...PLEASE SEE PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE. RAINFALL...RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED OVER EXTREME EASTERN RHODE ISLAND...EASTERN MASSACHUSETTS...COASTAL MAINE...NOVA SCOTIA...NEWFOUNDLAND...AND NEW BRUNSWICK...WITH ISOLATED MAXIMUM AMOUNTS OF 6 INCHES POSSIBLE OVER DOWNEAST MAINE AND CANADA. SURF...SWELLS GENERATED BY ARTHUR ARE AFFECTING PORTIONS OF THE COAST OF NORTH CAROLINA...THE MID-ATLANTIC...AND NORTHEAST UNITED STATES. SWELLS WILL BEGIN AFFECTING PORTIONS OF SOUTHEASTERN CANADA TONIGHT. THESE SWELLS ARE EXPECTED TO CAUSE LIFE-THREATENING SURF AND RIP CURRENTS. FOR MORE INFORMATION...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...800 PM EDT. NEXT COMPLETE ADVISORY...1100 PM EDT. $$ FORECASTER BROWN