Post by NHC Olney Maryland on Sept 15, 2010 10:49:11 GMT -5
BULLETIN
HURRICANE IGOR ADVISORY NUMBER 29
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
500 AM AST WED SEP 15 2010
...IGOR WEAKENS A LITTLE BUT REMAINS A LARGE AND POWERFUL
HURRICANE...
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...19.5N 54.5W
ABOUT 570 MI...915 KM E OF THE NORTHERN LEEWARD ISLANDS
ABOUT 1090 MI...1755 KM SE OF BERMUDA
MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/HR
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 10 MPH...17 KM/HR
MINIMUM CENTRAL PRESSURE...935 MB...27.61 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM AST...0900 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 19.5 NORTH...LONGITUDE 54.5 WEST. IGOR IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/HR. A GENERALLY
NORTHWESTWARD MOTION IS EXPECTED DURING THE NEXT 48 HOURS.
MAXIMUM SUSTAINED WINDS ARE NEAR 145 MPH...230 KM/HR...WITH HIGHER
GUSTS. IGOR IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. FLUCTUATIONS IN STRENGTH ARE ANTICIPATED
DURING THE NEXT DAY OR TWO.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 225
MILES...360 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 935 MB...27.61 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY IGOR ARE AFFECTING THE LEEWARD
ISLANDS...AND WILL REACH PUERTO RICO AND THE VIRGIN ISLANDS
TODAY. THE SWELLS ARE EXPECTED TO REACH PORTIONS OF THE BAHAMAS
TONIGHT AND THURSDAY. 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.
HURRICANE IGOR ADVISORY NUMBER 29
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
500 AM AST WED SEP 15 2010
...IGOR WEAKENS A LITTLE BUT REMAINS A LARGE AND POWERFUL
HURRICANE...
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...19.5N 54.5W
ABOUT 570 MI...915 KM E OF THE NORTHERN LEEWARD ISLANDS
ABOUT 1090 MI...1755 KM SE OF BERMUDA
MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/HR
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 10 MPH...17 KM/HR
MINIMUM CENTRAL PRESSURE...935 MB...27.61 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM AST...0900 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 19.5 NORTH...LONGITUDE 54.5 WEST. IGOR IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/HR. A GENERALLY
NORTHWESTWARD MOTION IS EXPECTED DURING THE NEXT 48 HOURS.
MAXIMUM SUSTAINED WINDS ARE NEAR 145 MPH...230 KM/HR...WITH HIGHER
GUSTS. IGOR IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. FLUCTUATIONS IN STRENGTH ARE ANTICIPATED
DURING THE NEXT DAY OR TWO.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 225
MILES...360 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 935 MB...27.61 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY IGOR ARE AFFECTING THE LEEWARD
ISLANDS...AND WILL REACH PUERTO RICO AND THE VIRGIN ISLANDS
TODAY. THE SWELLS ARE EXPECTED TO REACH PORTIONS OF THE BAHAMAS
TONIGHT AND THURSDAY. 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.