Compact News: Atlantic Hurricane IGOR Advisory Number 50

Monday, September 20, 2010

Atlantic Hurricane IGOR Advisory Number 50

Atlantic Hurricane IGOR Advisory Number 50
Mon, 20 Sep 2010 09:39:00 -0500

000
WTNT31 KNHC 201438
TCPAT1
BULLETIN
HURRICANE IGOR ADVISORY NUMBER 50
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010
1100 AM AST MON SEP 20 2010

...IGOR PULLING AWAY FROM BERMUDA...

SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...36.1N 63.3W
ABOUT 275 MI...445 KM NNE OF BERMUDA
ABOUT 900 MI...1450 KM SW OF CAPE RACE NEWFOUNDLAND
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/HR
PRESENT MOVEMENT...NNE OR 25 DEGREES AT 24 MPH...39 KM/HR
MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES

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

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* BERMUDA

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* THE COAST OF NEWFOUNDLAND FROM STONES COVE NORTHWARD AND WESTWARD
TO JONES HARBOUR

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL
WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO
YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS
ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.

DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 36.1 NORTH...LONGITUDE 63.3 WEST. IGOR IS MOVING
TOWARD THE NORTH-NORTHEAST NEAR 24 MPH...39 KM/HR. A TURN TOWARD
THE NORTHEAST WITH AN INCREASE IN FORWARD SPEED IS EXPECTED TO
BEGIN LATER TODAY AND CONTINUED ACCELERATION IS EXPECTED ON
WEDNESDAY.

MAXIMUM SUSTAINED WINDS REMAIN NEAR 75 MPH...120 KM/HR...WITH HIGHER
GUSTS. IGOR IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. LITTLE CHANGE IN STRENGTH IS FORECAST DURING
THE NEXT 48 HOURS...AND IGOR IS EXPECTED TO BECOME A STRONG
EXTRATROPICAL CYCLONE IN ABOUT A DAY OR SO.

IGOR IS A LARGE HURRICANE. HURRICANE FORCE WINDS EXTEND OUTWARD UP
TO 90 MILES...150 KM...FROM THE CENTER...AND TROPICAL STORM FORCE
WINDS EXTEND OUTWARD UP TO 345 MILES...555 KM. WINDS IN BERMUDA
CONTINUE TO DECREASE AS IGOR MOVES FARTHER TO THE NORTH. THE MOST
RECENT OBSERVATION FROM THE ISLAND IS A 10-MINUTE SUSTAINED WIND OF
45 MPH...72 KM/HR...AND A GUST TO 52 MPH...83 KM/HR.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 960 MB...28.35 INCHES.

HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE STILL OCCURRING IN BERMUDA.
THESE WINDS WILL GRADUALLY DIMINISH LATER TODAY.

STORM SURGE...STORM SURGE IS SUBSIDING BUT SOME COASTAL FLOODING IS
STILL POSSIBLE ALONG THE COAST OF BERMUDA TODAY DUE TO LARGE AND
DAMAGING WAVES.

SURF...LARGE SWELLS WILL CONTINUE TO AFFECT THE EAST COAST OF THE
UNITED STATES THROUGH TUESDAY. LARGE SWELLS WILL GRADUALLY 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...200 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.

$$
FORECASTER BERG

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