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| #458396 (Received by flhurricane at: 10:56 AM 10.Sep.2011) TCPAT2 BULLETIN POST-TROPICAL CYCLONE KATIA ADVISORY NUMBER 50 NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011 1100 AM AST SAT SEP 10 2011 ...KATIA LOSES TROPICAL CHARACTERISTICS OVER THE FAR NORTH ATLANTIC...EXPECTED TO BRING STRONG WINDS TO THE BRITISH ISLES AS A POWERFUL POST-TROPICAL CYCLONE ON MONDAY... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...44.7N 47.7W ABOUT 295 MI...475 KM ESE OF CAPE RACE NEWFOUNDLAND ABOUT 1960 MI...3160 KM WSW OF GLASGOW SCOTLAND MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 53 MPH...85 KM/H MINIMUM CENTRAL PRESSURE...954 MB...28.17 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM AST...1500 UTC...THE CENTER OF POST-TROPICAL CYCLONE KATIA WAS LOCATED NEAR LATITUDE 44.7 NORTH...LONGITUDE 47.7 WEST. KATIA IS RACING TOWARD THE EAST-NORTHEAST NEAR 53 MPH...85 KM/H... AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...THIS SYSTEM IS EXPECTED TO PASS OVER OR NEAR THE NORTHERN BRITISH ISLES ON MONDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/H...WITH HIGHER GUSTS. KATIA IS EXPECTED TO REMAIN A STRONG EXTRATROPICAL CYCLONE OVER THE NEXT 48 HOURS. HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 80 MILES...130 KM...FROM THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 310 MILES...500 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON RECENT REPORTS FROM CANADIAN BUOY 44140 NEAR THE CENTER OF KATIA IS 954 MB...28.17 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...GALE- TO STORM-FORCE WINDS ARE EXPECTED TO AFFECT MUCH OF THE BRITISH ISLES ON MONDAY...AND COULD CAUSE DAMAGE TO TREES AND DISRUPT TRANSPORTATION AND OTHER PUBLIC SERVICES. INTERESTS IN AND AROUND THE BRITISH ISLES AND NORTHERN EUROPE SHOULD MONITOR PRODUCTS ISSUED BY THE UK MET OFFICE AT WWW.METOFFICE.GOV.UK/WEATHER/. SURF...LARGE SWELLS GENERATED BY KATIA WILL CONTINUE TO AFFECT U.S. NEW ENGLAND AREAS...ATLANTIC CANADA...AND BERMUDA TODAY....AND SPREAD EASTWARD INTO THE BRITISH ISLES SUNDAY AND MONDAY. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION. RAINFALL...TOTAL RAIN ACCUMULATIONS OF 50 TO 100 MILLIMETERS... 2 TO 4 INCHES...ARE EXPECTED OVER THE WESTERN MOUNTAINS OF SCOTLAND THROUGH MONDAY. NEXT ADVISORY ------------- THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON KATIA. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE... UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. $$ FORECASTER STEWART |
