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Summary for Post-Tropical Cyclone ARTHUR (AT1/AL012014)
2014-07-05 13:56:32| National Hurricane Center (Atlantic)
...ARTHUR BECOMES A POST-TROPICAL CYCLONE... ...STRONG WINDS AND HEAVY RAINS CONTINUE OVER PORTIONS OF SOUTHEASTERN CANADA AND DOWN EAST MAINE... As of 8:00 AM EDT Sat Jul 5 the center of ARTHUR was located near 44.5, -66.5 with movement NNE at 23 mph. The minimum central pressure was 983 mb with maximum sustained winds of about 65 mph.
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Post-Tropical Cyclone ARTHUR Public Advisory Number 18A
2014-07-05 13:56:32| National Hurricane Center (Atlantic)
Issued at 800 AM EDT SAT JUL 05 2014 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
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Tropical Storm ARTHUR Graphics
2014-07-05 11:11:10| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sat, 05 Jul 2014 08:51:57 GMT Wind Speed Probabilities last updated Sat, 05 Jul 2014 09:05:48 GMT
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Tropical Storm ARTHUR Forecast Discussion Number 18
2014-07-05 10:45:01| National Hurricane Center (Atlantic)
Issued at 500 AM EDT SAT JUL 05 2014 000 WTNT41 KNHC 050844 TCDAT1 TROPICAL STORM ARTHUR DISCUSSION NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL AL012014 500 AM EDT SAT JUL 05 2014 Satellite imagery and data from an Air Force reconnaissance plane indicate that Arthur is rapidly losing tropical characteristics. The low-level center is now displaced from the convection, and the rain shield has expanded significantly toward the northwest. However,the circulation is still vigorous given that there was a peak wind of 83 knots at 850 mb reported by the Air Force plane. These strong winds are not reaching the surface, and the initial intensity is set at 60 knots based on SFMR reports. Arthur should complete extratropical transition later today and should weaken. Arthur has slowed down as anticipated and is moving toward the northeast at 19 knots. The cyclone should continue on this general track steered by the southwesterly flow ahead of a mid-latitude trough. In fact, most of the global models show Arthur becoming associated with this trough in about 12 to 24 hours. Both intensity and track forecasts during the post-tropical stage have been adjusted based on input from the OPC. FORECAST POSITIONS AND MAX WINDS INIT 05/0900Z 43.1N 66.9W 60 KT 70 MPH 12H 05/1800Z 45.5N 64.5W 50 KT 60 MPH...POST-TROP/EXTRATROP 24H 06/0600Z 47.0N 61.5W 45 KT 50 MPH...POST-TROP/EXTRATROP 36H 06/1800Z 49.5N 57.5W 35 KT 40 MPH...POST-TROP/EXTRATROP 48H 07/0600Z 52.5N 54.0W 35 KT 40 MPH...POST-TROP/EXTRATROP 72H 08/0600Z 60.0N 51.5W 35 KT 40 MPH...POST-TROP/EXTRATROP 96H 09/0600Z 58.5N 50.0W 30 KT 35 MPH...POST-TROP/EXTRATROP 120H 10/0600Z 62.1N 43.2W 20 KT 25 MPH...POST-TROP/EXTRATROP $$ Forecaster Avila
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Summary for Tropical Storm ARTHUR (AT1/AL012014)
2014-07-05 10:44:31| National Hurricane Center (Atlantic)
...ARTHUR LOSING TROPICAL CHARACTERISTICS... ...WEATHER RAPIDLY DETERIORATING OVER WESTERN NOVA SCOTIA... As of 5:00 AM EDT Sat Jul 5 the center of ARTHUR was located near 43.1, -66.9 with movement NE at 22 mph. The minimum central pressure was 981 mb with maximum sustained winds of about 70 mph.
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