Compact News: Atlantic Hurricane IGOR Advisory Number 49

Monday, September 20, 2010

Atlantic Hurricane IGOR Advisory Number 49

Atlantic Hurricane IGOR Advisory Number 49
Mon, 20 Sep 2010 03:50:23 -0500

000
WTNT31 KNHC 200850
TCPAT1
BULLETIN
HURRICANE IGOR ADVISORY NUMBER 49
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010
500 AM AST MON SEP 20 2010

...LARGE IGOR STILL BRINGING TROPICAL STORM CONDITIONS TO
BERMUDA...TROPICAL STORM WATCH ISSUED FOR NEWFOUNDLAND...

SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...34.2N 64.4W
ABOUT 135 MI...215 KM N OF BERMUDA
ABOUT 1045 MI...1685 KM SW OF CAPE RACE NEWFOUNDLAND
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/HR
PRESENT MOVEMENT...NNE OR 25 DEGREES AT 20 MPH...32 KM/HR
MINIMUM CENTRAL PRESSURE...957 MB...28.26 INCHES

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

THE CANADIAN HURRICANE CENTRE HAS ISSUED A TROPICAL STORM WATCH FOR
THE COAST OF NEWFOUNDLAND FROM STONES COVE EASTWARD AND NORTHWARD
TO JONES HARBOUR.

THE BERMUDA WEATHER SERVICE HAS CHANGED THE HURRICANE WARNING FOR
BERMUDA TO A TROPICAL STORM WARNING.

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...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 34.2 NORTH...LONGITUDE 64.4 WEST. IGOR IS MOVING
TOWARD THE NORTH-NORTHEAST NEAR 20 MPH...32 KM/HR. A TURN TOWARD
THE NORTHEAST AND AN INCREASE IN FORWARD SPEED ARE EXPECTED IN THE
NEXT 24 TO 36 HOURS. ON THE FORECAST TRACK...IGOR WILL CONTINUE
MOVING AWAY FROM BERMUDA AND PASS OFFSHORE OF THE SOUTHEASTERN TIP
OF NEWFOUNDLAND ON TUESDAY.

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 THE NEXT DAY OR TWO.

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. BERMUDA RECENTLY
REPORTED A 10-MINUTE WIND OF 51 MPH...81 KM/HR...AND A GUST TO 62
MPH...100 KM/HR.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 957 MB...28.26 INCHES.

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

RAINFALL...SIGNIFICANT RAINFALL ASSOCIATED WITH IGOR IN BERMUDA HAS
ENDED.

STORM SURGE...A DANGEROUS STORM SURGE IS EXPECTED TO PRODUCE
SIGNIFICANT COASTAL FLOODING ON BERMUDA. THE SURGE WILL BE
ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES...ESPECIALLY ALONG THE
SOUTHERN COAST.

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...800 AM AST.
NEXT COMPLETE ADVISORY...1100 AM AST.

$$
FORECASTER BRENNAN

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