000
WTNT31 KNHC 160847
TCPAT1
BULLETIN
HURRICANE IGOR ADVISORY NUMBER  33
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL     AL112010
500 AM AST THU SEP 16 2010
 
...EXTREMELY DANGEROUS IGOR INTENSIFIES AGAIN...EXPECTED TO BE A
SIGNIFICANT HURRICANE FOR SEVERAL MORE DAYS...
 
 
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...20.5N 56.8W
ABOUT 440 MI...710 KM ENE OF THE NORTHERN LEEWARD ISLANDS
ABOUT 955 MI...1535 KM SSE OF BERMUDA
MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/HR
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 7 MPH...11 KM/HR
MINIMUM CENTRAL PRESSURE...929 MB...27.43 INCHES
 
 
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

INTERESTS IN BERMUDA SHOULD MONITOR THE PROGRESS OF IGOR. 
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM AST...0900 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 20.5 NORTH...LONGITUDE 56.8 WEST. IGOR IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 7 MPH...11 KM/HR.  A TURN TOWARD THE
NORTHWEST AND AN INCREASE IN FORWARD SPEED ARE EXPECTED OVER THE
NEXT COUPLE OF DAYS.
 
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 145 MPH...230 KM/HR
...WITH HIGHER GUSTS.  IGOR IS AN EXTREMELY DANGEROUS CATEGORY
FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. 
FLUCTUATIONS IN STRENGTH ARE LIKELY DURING THE NEXT COUPLE OF
DAYS...BUT IGOR IS EXPECTED TO REMAIN A LARGE AND POWERFUL
HURRICANE.
 
IGOR IS A LARGE TROPICAL CYCLONE.  HURRICANE FORCE WINDS EXTEND
OUTWARD UP TO 70 MILES...110 KM...FROM THE CENTER...AND TROPICAL
STORM FORCE WINDS EXTEND OUTWARD UP TO 275 MILES...445 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 929 MB...27.43 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY IGOR WILL CONTINUE TO AFFECT THE
LEEWARD ISLANDS...PUERTO RICO AND THE VIRGIN ISLANDS TODAY.  THE
SWELLS ARE EXPECTED TO REACH PORTIONS OF THE BAHAMAS LATER TODAY
AND CONTINUE THROUGH THE WEEKEND. SWELLS WILL ALSO REACH THE
EAST COAST OF THE UNITED STATES LATER TODAY AND FRIDAY AND CONTINUE
OVER THE WEEKEND.  THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING
SURF AND RIP CURRENT CONDITIONS.  PLEASE CONSULT PRODUCTS FROM YOUR
LOCAL WEATHER OFFICE FOR ADDITIONAL INFORMATION.
 
 
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 AM AST.
 
$$
FORECASTER BLAKE