#1524 Postby cycloneye » Sat Jun 08, 2013 9:43 am
Last Advisory issued by NHC
BULLETIN
POST-TROPICAL CYCLONE ANDREA ADVISORY NUMBER 12
NWS NATIONAL HURRICANE CENTER MIAMI FL AL012013
1100 AM EDT SAT JUN 08 2013
...HEAVY RAINS AND WINDS SHIFTING AWAY FROM NEW ENGLAND...
...THIS WILL BE THE LAST ADVISORY...
SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...43.6N 68.8W
ABOUT 75 MI...120 KM E OF PORTLAND MAINE
ABOUT 265 MI...430 KM WSW OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...NE OR 50 DEGREES AT 39 MPH...63 KM/H
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
FOR ADDITIONAL INFORMATION IN THE UNITED STATES...INCLUDING INLAND
WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL
NATIONAL WEATHER SERVICE FORECAST OFFICE AT WEATHER.GOV.
INFORMATION FOR ATLANTIC CANADA IS AVAILABLE FROM ENVIRONMENT
CANADA AT WEATHER.GC.CA.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM EDT...1500 UTC...THE CENTER OF POST-TROPICAL CYCLONE
ANDREA WAS LOCATED NEAR LATITUDE 43.6 NORTH...LONGITUDE 68.8 WEST.
ANDREA IS MOVING TOWARD THE NORTHEAST NEAR 39 MPH...63 KM/H. A
TURN TOWARD THE EAST-NORTHEAST AND EAST AT A SLIGHTLY SLOWER
FORWARD SPEED IS EXPECTED TONIGHT AND ON SUNDAY. ON THE FORECAST
TRACK...THE CENTER OF THE POST-TROPICAL CYCLONE WILL MOVE ACROSS
ATLANTIC CANADA LATER TODAY THROUGH SUNDAY.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 45 MPH...75 KM/H...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 36
HOURS. POST-TROPICAL CYCLONE ANDREA IS EXPECTED TO BE ABSORBED BY
ANOTHER LOW PRESSURE SYSTEM EAST OF NEWFOUNDLAND LATE SUNDAY.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 255 MILES...410 KM
SOUTHEAST OF THE CENTER OVER THE ATLANTIC WATERS.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.
HAZARDS AFFECTING LAND
----------------------
RAINFALL...HEAVY RAINFALL ASSOCIATED WITH POST-TROPICAL CYCLONE
ANDREA IS EXPECTED ACROSS PORTIONS OF ATLANTIC CANADA THROUGH
SUNDAY. RAINFALL WILL BE COMING TO AN END BY EARLY THIS AFTERNOON
ACROSS MAINE...WITH LESS THAN 1 INCH OF ADDITIONAL RAINFALL
ACCUMULATION EXPECTED.
WIND...STRONG GUSTY WINDS ARE POSSIBLE ACROSS PORTIONS OF ATLANTIC
CANADA THROUGH SUNDAY.
NEXT ADVISORY
-------------
THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON THIS SYSTEM. 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.
$$
FORECASTER BERG
POST-TROPICAL CYCLONE ANDREA DISCUSSION NUMBER 12
NWS NATIONAL HURRICANE CENTER MIAMI FL AL012013
1100 AM EDT SAT JUN 08 2013
THE CENTER OF THE POST-TROPICAL CYCLONE CONTINUES TO RACE UP THE
EASTERN SEABOARD AND IS LOCATED OVER THE GULF OF MAINE. ALL
GALE-FORCE WINDS ARE NOW LOCATED WELL SOUTHEAST OF THE U.S. COAST
OVER THE ATLANTIC WATERS...AND HEAVY RAINFALL ACROSS DOWNEAST MAINE
WILL BE COMING TO AN END THIS AFTERNOON. THEREFORE...THIS WILL BE
THE LAST ADVISORY FROM NHC. STRONG GUSTY WINDS AND HEAVY RAINFALL
WILL STILL BE POSSIBLE FOR PORTIONS OF ATLANTIC CANADA THROUGH
SUNDAY.
THE INITIAL MOTION IS 050/34 KT...AND THE POST-TROPICAL CYCLONE
SHOULD TURN TOWARD THE EAST AT A SLIGHTLY SLOWER FORWARD SPEED IN 36
HOURS. THIS WILL TAKE THE CENTER ACROSS ATLANTIC CANADA AND THEN
OVER THE NORTH ATLANTIC BEFORE BEING ABSORBED BY ANOTHER LOW IN 48
HOURS. NO SIGNIFICANT CHANGE IN INTENSITY IS EXPECTED BEFORE
ABSORPTION OCCURS.
ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS
FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS
HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. ADDITIONAL INFORMATION
FOR ATLANTIC CANADA CAN BE FOUND IN FORECASTS ISSUED BY ENVIRONMENT
CANADA AT WEATHER.GC.CA.
FORECAST POSITIONS AND MAX WINDS
INIT 08/1500Z 43.6N 68.8W 40 KT 45 MPH...POST-TROP/EXTRATROP
12H 09/0000Z 45.9N 63.1W 40 KT 45 MPH...POST-TROP/EXTRATROP
24H 09/1200Z 47.0N 55.9W 35 KT 40 MPH...POST-TROP/EXTRATROP
36H 10/0000Z 47.7N 47.1W 35 KT 40 MPH...POST-TROP/EXTRATROP
48H 10/1200Z...ABSORBED BY ANOTHER LOW
$$
FORECASTER BERG
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