Hurricane IGOR

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HURRICANE IGOR ADVISORY NUMBER  53
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL     AL112010
500 AM AST TUE SEP 21 2010
 
...IGOR LIKELY TO BECOME EXTRATROPICAL LATER TODAY...CENTER IS
RAPIDLY APPROACHING SOUTHEASTERN NEWFOUNDLAND...
 
 
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
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LOCATION...42.8N 55.1W
ABOUT 285 MI...460 KM SSW OF CAPE RACE NEWFOUNDLAND
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/HR
PRESENT MOVEMENT...NE OR 45 DEGREES AT 41 MPH...67 KM/HR
MINIMUM CENTRAL PRESSURE...966 MB...28.53 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
 
NONE.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WATCH IS IN EFFECT FOR...
* THE COAST OF NEWFOUNDLAND FROM STONES COVE NORTHWARD AND EASTWARD
TO FOGO ISLAND
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE COAST OF NEWFOUNDLAND FROM BURGEO NORTHWARD AND EASTWARD
TO TRITON
* THE ISLANDS OF ST-PIERRE AND MIQUELON
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA.  A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE
NEXT 24 HOURS.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM AST...0900 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 42.8 NORTH...LONGITUDE 55.1 WEST.  IGOR IS MOVING
TOWARD THE NORTHEAST NEAR 41 MPH...67 KM/HR.  A TURN TO THE
NORTH-NORTHEAST IS EXPECTED LATER TODAY FOLLOWED BY A TURN TOWARD
THE NORTH AT A SLOWER FORWARD SPEED ON WEDNESDAY.  ON THE FORECAST
TRACK...THE CENTER OF THE CYCLONE WILL MOVE NEAR THE SOUTHEASTERN
TIP OF NEWFOUNDLAND LATER TODAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/HR...WITH HIGHER
GUSTS.  IGOR IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE.  SOME STRENGTHENING IS FORECAST...AND IGOR IS
LIKELY TO BECOME AN INTENSE EXTRATROPICAL CYCLONE LATER TODAY.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 380
MILES...610 KM.  CANADIAN BUOY 44141...LOCATED NORTHWEST OF THE
CENTER...RECENTLY REPORTED SUSTAINED WINDS OF 56 MPH...90 KM/HR...
AND A WIND GUST OF 80 MPH...129 KM/HR.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 966 MB...28.53 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...WINDS OF TROPICAL STORM OR GALE FORCE ARE EXPECTED WITHIN THE
TROPICAL STORM WARNING AREA TODAY.  WINDS OF HURRICANE FORCE ARE
POSSIBLE IN THE HURRICANE WATCH AREA.
 
RAINFALL...IGOR IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 4
TO 8 INCHES PRIMARILY OVER THE EASTERN HALF OF NEWFOUNDLAND...WITH
ISOLATED AMOUNTS OF 10 INCHES POSSIBLE.
 
SURF...LARGE SWELLS WILL CONTINUE TO AFFECT THE EAST COAST OF THE
UNITED STATES THROUGH TODAY AND THE SOUTH-FACING COASTLINES OF
NOVA SCOTIA AND NEWFOUNDLAND FOR THE NEXT FEW DAYS.  SWELLS WILL BE
SLOW TO SUBSIDE IN PUERTO RICO...THE VIRGIN ISLANDS...HISPANIOLA...
AND PORTIONS OF THE BAHAMAS DURING THE NEXT COUPLE OF DAYS.  THESE
SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENTS.
PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE FOR
ADDITIONAL INFORMATION.
 
 
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...800 AM AST.
NEXT COMPLETE ADVISORY...1100 AM AST.
 
$$
FORECASTER BEVEN
 
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