000 WTNT31 KNHC 051156 TCPAT1 BULLETIN POST-TROPICAL CYCLONE ARTHUR INTERMEDIATE ADVISORY NUMBER 18A NWS NATIONAL HURRICANE CENTER MIAMI FL AL012014 800 AM EDT SAT JUL 05 2014 ...ARTHUR BECOMES A POST-TROPICAL CYCLONE... ...STRONG WINDS AND HEAVY RAINS CONTINUE OVER PORTIONS OF SOUTHEASTERN CANADA AND DOWN EAST MAINE... SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...44.5N 66.5W ABOUT 50 MI...80 KM NNW OF YARMOUTH NOVA SCOTIA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NNE OR 30 DEGREES AT 23 MPH...37 KM/H MINIMUM CENTRAL PRESSURE...983 MB...29.03 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * 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 800 AM EDT...1200 UTC...THE CENTER OF POST-TROPICAL CYCLONE ARTHUR WAS LOCATED NEAR LATITUDE 44.5 NORTH...LONGITUDE 66.5 WEST. ARTHUR IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 23 MPH...37 KM/H... AND THIS MOTION IS EXPECTED TO CONTINUE WITH A DECREASE IN FORWARD SPEED DURING THE NEXT DAY OR SO. ON THE FORECAST TRACK...THE CENTER OF ARTHUR WILL BE MOVING NEAR OR OVER WESTERN NOVA SCOTIA IN THE NEXT FEW HOURS...AND OVER THE GULF OF ST. LAWRENCE TONIGHT. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 65 MPH...100 KM/H... WITH HIGHER GUSTS. ADDITIONAL WEAKENING IS FORECAST DURING THE NEXT COUPLE OF DAYS. GALE FORCE WINDS EXTEND OUTWARD UP TO 160 MILES...260 KM FROM THE CENTER. A WIND GUST TO 54 MPH...87 KM/H WAS RECENTLY REPORTED AT LUNENBURG NOVA SCOTIA. THE MINIMUM CENTRAL PRESSURE ESTIMATED FROM SURFACE DATA AND NOAA RECONNAISSANCE AIRCRAFT OBSERVATIONS IS 983 MB...29.03 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...GALE FORCE WINDS HAVE REACHED PORTIONS OF SOUTHEASTERN CANADA. THESE WINDS ARE EXPECTED TO SPREAD NORTHWARD OVER THE WARNING AREA TODAY. IN ADDITION...WINDS IN EXCESS OF 40 MPH ARE EXPECTED OVER PORTIONS OF EASTERN MAINE TODAY...BEHIND A COLD FRONT THAT HAS OVERTAKEN THE CIRCULATION OF ARTHUR. STORM SURGE...COASTAL FLOODING IS POSSIBLE ALONG THE SOUTHERN AND SOUTHEASTERN COAST OF NOVA SCOTIA TODAY. RAINFALL...RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED OVER FAR EASTERN MAINE...WESTERN NOVA SCOTIA...AND NEW BRUNSWICK...WITH ISOLATED MAXIMUM AMOUNTS OF 6 INCHES POSSIBLE. SURF...SWELLS GENERATED BY ARTHUR ARE STILL AFFECTING PORTIONS OF THE MID-ATLANTIC AND NORTHEAST UNITED STATES. SWELLS ARE ALSO AFFECTING PORTIONS OF SOUTHEASTERN CANADA. THESE SWELLS ARE EXPECTED TO CAUSE LIFE-THREATENING SURF AND RIP CURRENTS. FOR MORE INFORMATION...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER FORECAST OFFICE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 AM EDT. $$ FORECASTER BROWN/PASCH