Sunday, October 2, 2011

Public Tropical Cyclone Advisory

800 PM AST SUN OCT 02 2011

...OPHELIA WEAKENING AS IT MOVES QUICKLY NORTH-NORTHEASTWARD...


SUMMARY OF 800 PM AST...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...42.4N 59.8W
ABOUT 445 MI...715 KM SW OF CAPE RACE NEWFOUNDLAND
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...NNE OR 15 DEGREES AT 33 MPH...54 KM/H
MINIMUM CENTRAL PRESSURE...967 MB...28.56 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

NONE

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* THE AVALON PENINSULA OF NEWFOUNDLAND

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 800 PM AST...0000 UTC...THE CENTER OF HURRICANE OPHELIA WAS
LOCATED NEAR LATITUDE 42.4 NORTH...LONGITUDE 59.8 WEST. OPHELIA IS
MOVING TOWARD THE NORTH-NORTHEAST NEAR 33 MPH...54 KM/H. A TURN
TOWARD THE NORTHEAST IS EXPECTED TONIGHT...FOLLOWED BY A TURN
TOWARD THE EAST-NORTHEAST ON MONDAY. ON THE FORECAST TRACK...THE
CENTER OF OPHELIA IS EXPECTED TO PASS NEAR OR OVER THE AVALON
PENINSULA OF NEWFOUNDLAND LATE TONIGHT OR EARLY MONDAY.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 90 MPH...150 KM/H...
WITH HIGHER GUSTS. OPHELIA IS A CATEGORY ONE HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE. STEADY WEAKENING IS EXPECTED
TO CONTINUE THROUGH MONDAY. HOWEVER...OPHELIA IS EXPECTED TO BE
NEAR HURRICANE STRENGTH WHEN IT PASSES CLOSE TO THE AVALON
PENINSULA. OPHELIA IS FORECAST TO BECOME A POST-TROPICAL CYCLONE
SHORTLY AFTER PASSING SOUTHERN NEWFOUNDLAND.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO
260 MILES...415 KM...MAINLY TO THE EAST OF THE CENTER. ENVIRONMENT
CANADA BUOY 44141...LOCATED ABOUT 100 MILES...160 KM...EAST-
NORTHEAST OF THE CENTER OF OPHELIA...RECENTLY REPORTED A SUSTAINED
WIND OF 40 MPH...65 KM/H...AND A WIND GUST OF 54 MPH...86 KM/H.
SABLE ISLAND RECENTLY REPORTED A WIND GUST OF 39 MPH...63 KM/H.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 967 MB...28.56 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM FORCE WINDS ARE POSSIBLE ON THE AVALON
PENINSULA LATE TONIGHT AND EARLY MONDAY.

RAINFALL...OPHELIA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS
OF 2 TO 3 INCHES OVER SOUTHEASTERN NEWFOUNDLAND.


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 PM AST.

$$
FORECASTER BRENNAN


**This information should not be used to make life or death decisions.
For official warnings and statements tune to your local broadcast stations
or visit http://weather.gov