Atlantic Hurricane IGOR Advisory Number 43

Atlantic Hurricane IGOR Advisory Number 43
Sat, 18 Sep 2010 15:39:31 -0500

000
WTNT31 KNHC 182039
TCPAT1
BULLETIN
HURRICANE IGOR ADVISORY NUMBER 43
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010
500 PM AST SAT SEP 18 2010

...IGOR WEAKENS A LITTLE MORE BUT STILL LARGE AND DANGEROUS...
...CONDITIONS ON BERMUDA ARE EXPECTED TO DETERIORATE THIS EVENING...


SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...27.1N 64.3W
ABOUT 360 MI...580 KM S OF BERMUDA
MAXIMUM SUSTAINED WINDS...100 MPH...160 KM/HR
PRESENT MOVEMENT...NW OR 320 DEGREES AT 14 MPH...22 KM/HR
MINIMUM CENTRAL PRESSURE...945 MB...27.91 INCHES


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

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

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

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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 PM AST...2100 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 27.1 NORTH...LONGITUDE 64.3 WEST. IGOR IS MOVING
TOWARD THE NORTHWEST NEAR 14 MPH. A TURN TOWARD THE NORTH-NORTHWEST
IS EXPECTED TONIGHT...FOLLOWED BY A TURN TOWARD THE NORTH ON
SUNDAY. ON THE FORECAST TRACK...THE CENTER OF IGOR WILL PASS NEAR
OR OVER BERMUDA LATE SUNDAY OR EARLY MONDAY. HOWEVER...ADVERSE
WEATHER CONDITIONS WILL BEGIN TO AFFECT BERMUDA THIS EVENING.

MAXIMUM SUSTAINED WINDS ARE NOW NEAR 100 MPH...160 KM/HR...WITH
HIGHER GUSTS. IGOR IS A CATEGORY TWO HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN STRENGTH
ARE POSSIBLE DURING THE NEXT 48 HOURS...AND IGOR IS EXPECTED TO
REMAIN A DANGEROUS HURRICANE AS IT APPROACHES BERMUDA.

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. NOAA BUOY 41049...LOCATED ABOUT 80 MILES...
130 KM...NORTHEAST OF THE CENTER OF IGOR...RECENTLY REPORTED A
SUSTAINED WIND OF 62 MPH...100 KM/HR...AND A GUST OF 76 MPH...
122 KM/HR.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 945 MB...27.91 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN BERMUDA BY THIS
EVENING...WITH HURRICANE CONDITIONS EXPECTED BY SUNDAY AFTERNOON OR
EVENING.

RAINFALL...IGOR IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 6 TO 9 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 AFFECT AFFECT THE EAST COAST OF THE UNITED
STATES THROUGH THE WEEKEND. LARGE SWELLS WILL GRADUALLY SUBSIDE IN
THE LEEWARD ISLANDS...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 PM AST.
NEXT COMPLETE ADVISORY...1100 PM AST.

$$
FORECASTER BEVEN

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