Compact News: Atlantic Hurricane IGOR Advisory Number 40

Friday, September 17, 2010

Atlantic Hurricane IGOR Advisory Number 40

Atlantic Hurricane IGOR Advisory Number 40
Fri, 17 Sep 2010 21:34:51 -0500

000
WTNT31 KNHC 180234
TCPAT1
BULLETIN
HURRICANE IGOR ADVISORY NUMBER 40
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010
1100 PM AST FRI SEP 17 2010

...LARGE HURRICANE IGOR GETTING BETTER ORGANIZED AGAIN AS IT
CONTINUES TO MOVE NORTHWESTWARD...

SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...24.6N 62.0W
ABOUT 560 MI...900 KM SSE OF BERMUDA
MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/HR
PRESENT MOVEMENT...NW OR 315 DEGREES AT 13 MPH...20 KM/HR
MINIMUM CENTRAL PRESSURE...947 MB...27.96 INCHES

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

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* BERMUDA

A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-
FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT
OR DANGEROUS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE
RUSHED TO COMPLETION.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...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 PM AST...0300 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 24.6 NORTH...LONGITUDE 62.0 WEST. IGOR IS MOVING
TOWARD THE NORTHWEST NEAR 13 MPH...20 KM/HR. THIS GENERAL MOTION
IS EXPECTED TO CONTINUE THROUGH SATURDAY AFTERNOON...FOLLOWED BY A
TURN TOWARD THE NORTH-NORTHWEST LATE SATURDAY...AND A TURN TOWARD
THE NORTH ON SUNDAY. ON THE FORECAST TRACK...THE CENTER OF LARGE
HURRICANE IGOR WILL BE APPROACHING BERMUDA BY LATE SUNDAY.
HOWEVER...ADVERSE WEATHER CONDITIONS WILL BEGIN TO AFFECT BERMUDA
AS EARLY AS LATE SATURDAY NIGHT.

MAXIMUM SUSTAINED WINDS ARE NEAR 110 MPH...175 KM/HR...WITH HIGHER
GUSTS. IGOR IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. SOME STRENGTHENING IS POSSIBLE ON
SATURDAY...AND IGOR COULD BECOME A MAJOR HURRICANE AGAIN. GRADUAL
WEAKENING IS EXPECTED TO BEGIN BY EARLY SUNDAY.

IGOR IS A PARTICULARLY LARGE HURRICANE. HURRICANE-FORCE WINDS EXTEND
OUTWARD UP TO 105 MILES...165 KM...FROM THE CENTER...AND TROPICAL-
STORM-FORCE WINDS EXTEND OUTWARD UP TO 345 MILES...555 KM. DURING
THE PAST HOUR...TROPICAL-STORM-FORCE WINDS NEAR 40 MPH...65 KM/HR...
WERE REPORTED AT NOAA BUOY 41049 LOCATED ABOUT 225 MI...365 KM...
NORTHWEST OF THE CENTER OF IGOR.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 947 MB...27.96 INCHES.

HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN BERMUDA BY LATE
SATURDAY...WITH HURRICANE CONDITIONS EXPECTED ON SUNDAY.

RAINFALL...IGOR IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 5 TO 8 INCHES OVER BERMUDA.

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 LEEWARD ISLANDS...
PUERTO RICO...THE VIRGIN ISLANDS...HISPANIOLA...AND PORTIONS OF THE
BAHAMAS DURING THE NEXT COUPLE OF DAYS. THESE SWELLS WILL ALSO
CAUSE DANGEROUS SURF CONDITIONS IN BERMUDA DURING THE NEXT SEVERAL
DAYS...WHICH WILL WORSEN AS IGOR APPROACHES. SWELLS WILL CONTINUE
TO AFFECT THE EAST COAST OF THE UNITED STATES THROUGH THE WEEKEND.
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 AM AST.
NEXT COMPLETE ADVISORY...500 AM AST.

$$
FORECASTER STEWART

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