Hurricane.com - Advisory
Expires:No;;450359 WTNT31 KNHC 031444 TCPAT1 BULLETIN POST-TROPICAL CYCLONE OPHELIA ADVISORY NUMBER 44 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162011 1100 AM AST MON OCT 03 2011 ...OPHELIA BECOMES A POST-TROPICAL CYCLONE...THIS IS THE LAST ADVISORY... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...48.1N 52.0W ABOUT 110 MI...175 KM NNE OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 37 MPH...59 KM/H MINIMUM CENTRAL PRESSURE...996 MB...29.41 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... ENVIRONMENT CANADA HAS DISCONTINUED THE TROPICAL STORM WATCH FOR THE AVALON PENINSULA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... NONE DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM AST...1500 UTC...THE CENTER OF POST-TROPICAL CYCLONE OPHELIA WAS LOCATED NEAR LATITUDE 48.1 NORTH...LONGITUDE 52.0 WEST. THE CYCLONE IS MOVING TOWARD THE EAST-NORTHEAST NEAR 37 MPH... 59 KM/H. THIS MOTION IS EXPECTED TO CONTINUE UNTIL DISSIPATION IN A DAY OR SO. MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS. WEAKENING IS FORECAST DURING THE NEXT 24 TO 36 HOURS...AND THE CYCLONE IS FORECAST TO BE ABSORBED BY A COLD FRONT ON TUESDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES... 465 KM...PRIMARILY EAST THROUGH SOUTH OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 996 MB...29.41 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE NEXT ADVISORY ------------- THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON OPHELIA. 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. $$ FORECASTER BROWN
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Expires:No;;450361 WTNT41 KNHC 031445 TCDAT1 POST-TROPICAL CYCLONE OPHELIA DISCUSSION NUMBER 44 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162011 1100 AM AST MON OCT 03 2011 SURFACE AND SATELLITE DATA INDICATE THAT OPHELIA LOST TROPICAL CHARACTERISTICS AS THE CENTER PASSED OVER THE AVALON PENINSULA SHORTLY AFTER 1200 UTC. TROPICAL STORM FORCE WIND GUSTS HAVE BEEN REPORTED AT SOME OF THE OBSERVING SITES ON THE AVALON PENINSULA... HOWEVER THE STRONGEST WINDS HAVE REMAINED OFFSHORE TO THE SOUTHEAST OF THE CENTER. BASED ON BUOY AND SHIP OBSERVATIONS THE INITIAL INTENSITY IS SET AT 50 KT. CONTINUED WEAKENING IS EXPECTED AND THE EXTRATROPICAL LOW IS FORECAST TO BE ABSORBED BY A COLD FRONT IN A DAY OR SO. THE NHC TRACK IS NEAR THE MIDDLE OF THE MODEL ENVELOPE AND IS IN GOOD AGREEMENT WITH GUIDANCE PROVIDED BY THE NOAA OCEAN PREDICTION CENTER. THIS IS THE LAST ADVISORY ON OPHELIA. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. FORECAST POSITIONS AND MAX WINDS INIT 03/1500Z 48.1N 52.0W 50 KT 60 MPH...POST-TROP/EXTRATROP 12H 04/0000Z 50.0N 43.5W 45 KT 50 MPH...POST-TROP/EXTRATROP 24H 04/1200Z 52.0N 32.0W 35 KT 40 MPH...POST-TROP/EXTRATROP 36H 05/0000Z...ABSORBED BY FRONT $$ FORECASTER BROWN